8/18/2019 g8 Computer Hardware Servicing Lm
1/77
TABLE OF CONTENTS
Page
Cover Page i
Title Page iiTable of Contents iiiIntroduction 1
Objectives 2Pre-Assessment 3
Learning Goals and Targets 4
Lesson 1UNDERSTANDING THE COMPUTER SYSTEM
Preliminar Activit 6
!no"1.1 Hardware 7
A. Major Components o a Comp!ter "#stem 7$. %np!t &evices 11C. O!tp!t &evices 14&. Ports 17'. Cab(es and )ires 1*
1.2 "otware 2+1.3 Peop(e ware 21
Process,as 1 Perormance ,est 21
,as 2 /evea( t0e Parts o a Comp!ter "#stem 22#eflect and $nderstand
,as 1 ideo Presentation 23Transfer
,as 1 &raw and abe( t0e dierent 0ardware 24,as 2 ro!pin o Components
Lesson 2USE OF TOOLS IN PC HARDWARE SERVICING
Pre% Test 25
!no"'(ectro "tatic &isc0are '"& ,oo(s 26Hand ,oo(s 27C(eanin ,oo(s 2*&ianostic ,oo(s 28Proper 9se o ,oo(s 3+
Process
ICT- COMPUTER HARDWARE SERVICING
1
8/18/2019 g8 Computer Hardware Servicing Lm
2/77
,as 1 :ame a ,oo( 31,as 2 Perormance ,est 33
#eflect and $nderstand 33Transfer
,as 1 C(ean it 9p; 34
,as 2 et
8/18/2019 g8 Computer Hardware Servicing Lm
3/77
,ec0no(o# and ive(i0ood 'd!cation ,' is one o t0e nomenc(at!re in t0e
imp(ementation o t0e to 12 $asic 'd!cation Proram $'P composed o o!r
components name(# Ari-?is0er# Arts> Home 'conomics> %nd!stria( Arts and
%normation and Comm!nication ,ec0no(o# %C,. %n t0is mod!(e> t0e oc!s is on an
ICT mini-co!rse B Com&uter 'ard"are Servicing.
:ow t0at t0e wororce is be0ind in e!atin t0e n!mber o avai(ab(e jobs> t0e
&epartment o 'd!cation is revita(i=in its reso!rces to prepare t0e #o!n minds b#
0onin t0eir si((s as !t!re 0ardware service providers. ,0!s> t0is mod!(e sees to
provide st!dents wit0 t0e now(ede> si((s and motivation in t0e ie(d o 0ardware
servicin.
%n t0is co!rse> #o! wi(( be introd!ced to dierent (earnin activities preparin #o!
to be si((!( beore #o! tae t0e p(!ne into t0e wor(d o wor as a 0ardware serviceprovider and to ee( more conident w0i(e providin s!pport w0ere needed. %ndeed> as
(earners o 0ardware servicin> #o! are a cr!cia( (in in t0e emerenc# response
process. %dea((#> ever#one s0o!(d now w0at to do in an emerenc# sit!ation> b!t
proper trainin can 0e(p an individ!a( provide basic care.
,0is mod!(e is speciica((# crated to oc!s on Process and Del!er" enric0edwit0 0ands- on activities t0at wi(( assess #o!r (eve( in terms o si((s and now(ede.earnin proced!res are divided into dierent sections s!c0 as ()at to !no"> ()atto Process> ()at to #eflect and $nderstand and ()at to Transfer . 'Damine andperorm t0e s!ested tass to practice deve(opin a s!stainab(e proram>prioriti=in needs and b!i(din vision.
"o> eDp(ore and eDperience t0e to 12 ,' mod!(es and be a step c(oser tobein a comp!ter 0ardware service provider.
Objectives:
ICT- COMPUTER HARDWARE SERVICING
3
8/18/2019 g8 Computer Hardware Servicing Lm
4/77
At this point, you ar ha!in"into #anin"$u% a&ti'itis an! %arnin"n&ountrs( Co#p%t th )r&issan! ans*r th su""st! *or+shtsto )prin& %i$%on", pra&ti&a%%arnin" that a*aits at th n! o$ this#o!u%(
!"O# #O$R "O$R!#%
At t0e end o t0is mod!(e> #o! are eDpected to
identi# t0e important components o a PC and t0eir !nctions
ami(iari=e occ!pationa( 0ea(t0 and saet# Proced!res
distin!is0 t0e dierent 0ardware too(s
perorm t0e basic si((s t0at are necessar# to assemb(e and disassemb(e a PC
EEEEE
&re' assessment:
ICT- COMPUTER HARDWARE SERVICING
4
8/18/2019 g8 Computer Hardware Servicing Lm
5/77
Fo! wi(( be c0a((ened to di deeper into #o!r prior now(ede and previo!s
eDperiences abo!t comp!ter 0ardware servicin. ,0is P0ase wi(( !ide #o! in assessin
#o!rse( b# answerin !estions and man# ot0er t#pes o eva(!ation or #o! to !rt0er
eDp(ore t0e basics o comp!ter 0ardware servicin.
S!ILLS TEST
*irection+ isted be(ow are some o t0e most important si((s t0at #o! m!st ain
in order to render !a(it# service w0en #o! enter t0e rea( wor(d o Comp!ter Hardware
"ervicin. /ead t0e si((s care!((#. ,0en write G:ot m!c0> i #o! are not rea((# ami(iar>
GA (itt(e and GA (ot> i #o! are ami(iar wit0 t0e si((. ?ee( ree to answer eac0 si((. )rite
#o!r answers in #o!r noteboo.
S,ills in Com&uter 'ard"are Servicing Not -uc) A little A lot
I can o&en a com&uter case.I can connect t)e mouse.
I can connect t)e ,eboard.
I can connect t)e monitor.
I ,no" )o" to use t)e P)ili& )ead scre" driver.
I ,no" )o" to use t)e anti% static "rist stra&.
I ,no" )o" to use t)e lint free clot).
I can a&&l occu&ational )ealt) and safet
&recautions ")ile "or,ing.
I can remove t)e sstem fan.
I can detac) t)e &o"er su&&l from t)e sstem unit.I ,no" )o" to remove t)e #A- from t)e
mot)erboard.
I can remove t)e )ard drive from t)e sstem unit.
I can install t)e &o"er su&&l.
I ,no" )o" to install t)e mot)erboard.
I can install t)e internal drives in a sstem unit.
I ,no" )o" to attac) #A- in t)e memor soc,et.
I can install C* / *0* drives.
Learnin( Goals and )ar(ets:
Ater readin t0e introd!ction and care!((# answerin t0e pre assessment si((s
test> #o! mi0t 0ave ideas o w0at #o! wi(( be dea(in wit0 in t0is mod!(e. :ow prepare
ICT- COMPUTER HARDWARE SERVICING
5
8/18/2019 g8 Computer Hardware Servicing Lm
6/77
to set #o!r oa(s and tarets or t0is mod!(e b# comp(etin t0e activit# be(ow. )rite #o!r
answer in #o!r noteboo.
- goals are
- targets are
ICT- COMPUTER HARDWARE SERVICING
6
Process and *eliver
Goal 4
Goal 3
Goal 2
Goal 1
Target 1
Target 2
Target 3
8/18/2019 g8 Computer Hardware Servicing Lm
7/77
Comp!ters 0ave become a !se!( part o o!r ever#da# (ives. ,0e t#pes o
comp!ters we !se at 0ome or at wor are reerred to b# varied names s!c0 as PCs>
microcomp!ters> worstations> (aptops and destops. ,0ese comp!ters are most
pop!(ar(# reerred to as Gpersona( comp!ters or PCs> t0e most common t#pe o
comp!ter in t0e wor(d.
,oda#> an averae person !ses comp!ter-based assistance severa( times eac0da# and it becomes an intera( part o o!r (ives. "o it is ver# important to be aware o
and !nderstand t0em.
Preliminar Activit
&irection ist ive 5 0ardware and sotware #o! are ami(iar wit0. )rite #o!r
answer on t0e b!bb(es provided be(ow
Lesson 1+ $nderstanding t)e Com&uter Sstem
ICT- COMPUTER HARDWARE SERVICING
7
*no+
8/18/2019 g8 Computer Hardware Servicing Lm
8/77
8/18/2019 g8 Computer Hardware Servicing Lm
9/77
Figure 2 . Modern Mot0erboard
4. CP$ 5Central Processing $nit6 - ,0e processor is t0e main Gbrain or G0eart o acomp!ter s#stem. %t perorms a(( o t0e instr!ctions and ca(c!(ations t0at are needed
and manaes t0e (ow o inormation t0ro!0 a comp!ter.
Figure 3. 'Damp(es o CP9 %nte( Core 2 &!o and AM& At0(on
7. Primar storage% interna( storae> main memor# or memor# is t0e comp!terIs
worin storae space t0at 0o(ds data> instr!ctions or processin and processed data
inormation waitin to be sent to secondar# storae. P0#sica((#> primar# storae is a
co((ection o /AM c0ips.
,wo 2 ,#pes o Memor#
a. #O- B /ead On(# Memor# /OM is non-vo(ati(e> meanin it 0o(ds data even
w0en t0e power is O: or O??.
b. #A- B /andom Access Memor# /AM is vo(ati(e> meanin it 0o(ds data on(#
w0en t0e power is on. )0en t0e power is o> /AMIs contents are (ost.
ICT- COMPUTER HARDWARE SERVICING
8
8/18/2019 g8 Computer Hardware Servicing Lm
10/77
Figure 4. 'Damp(es o /AM
8. E9&ansion Bus - A b!s is a data pat0wa# between severa( 0ardware components
inside or o!tside a comp!ter. %t does not on(# connect t0e parts o t0e CP9 to eac0ot0er> b!t a(so (ins t0e CP9 wit0 ot0er important 0ardware.
ICT- COMPUTER HARDWARE SERVICING
1+
8/18/2019 g8 Computer Hardware Servicing Lm
11/77
Figure 5 . 'Dpansion $!s
:. Ada&ters- Printed-circ!it boards a(so ca((ed interace cards t0at enab(e t0e
comp!ter to !se a perip0era( device or w0ic0 it does not 0ave t0e necessar#connections or circ!it boards. ,0e# are oten !sed to permit !pradin to a new dierent
0ardware.
Figure 6 . Adapter :etwor Adapter
;. Po"er Su&&l $nit 5PS$6 - %nsta((ed in t0e bac corner o t0e PC case> neDt to t0e
mot0erboard. %t converts 12+vac standard 0o!se power into &C vo(taes t0at are !sed
b# ot0er components in t0e PC.
Figure 7 . Power s!pp(#
is a manetic storae device t0at
is insta((ed inside t0e comp!ter. ,0e 0ard drive is !sed as permanent storae or data.
%n a )indows comp!ter> t0e 0ard drive is !s!a((# coni!red as t0e C drive and
contains t0e operatin s#stem and app(ications.
ICT- COMPUTER HARDWARE SERVICING
11
8/18/2019 g8 Computer Hardware Servicing Lm
12/77
Figure 8 . Power s!pp(#
=. O&tical *rive% An optica( drive is a storae device t0at !ses (asers to read data on
t0e optica( media. ,0ere are t0ree t#pes o optica( drives Compact &isc C&> &iita(
ersati(e &isc && and $(!-ra# &isc $&.
Figure 9. C& /OM
1>. *igital 0ersatile *isc 5*0*6 - &esined to optica((# access data stored on a &&.
A (aser moves bac and ort0 near t0e dis s!race and accesses data at a ver# ast
rate.
Figure 10 . C& /OM
B. In&ut *evices - Accepts data and instr!ctions rom t0e !ser or rom anot0er
comp!ter s#stem.
T"o 536 T&es of In&ut *evices
1. !eboard Entr B &ata is inp!tted to t0e comp!ter t0ro!0 a e#board.
!eboard - ,0e irst inp!t device deve(oped or t0e PC. &ata is transerred to t0e
PC over a s0ort cab(e wit0 a circ!(ar 6-pin Mini-din connector t0at p(!s into t0e
bac o t0e mot0erboard.
ICT- COMPUTER HARDWARE SERVICING
12
8/18/2019 g8 Computer Hardware Servicing Lm
13/77
Figure 11. e#board
3. *irect Entr B A orm o inp!t t0at does not re!ire data to be e#ed b# someone
sittin at a e#board. &irect-entr# devices create mac0ine-readab(e data on paper> or
manetic media> or eed it direct(# into t0e comp!ter
8/18/2019 g8 Computer Hardware Servicing Lm
14/77
Figure 13. ,o!c0 "creen &evices
• Lig)t Pen % A (i0t-sensitive st#(!s wired to a video termina( !sed to draw pict!res or
se(ect men! options. ,0e !ser brins t0e pen to t0e desired point on screen and
presses t0e pen b!tton to mae contact.
F
Figure 14. i0t Pen
• *igiti?er Tablet % A rap0ics drawin tab(et !sed or setc0in new imaes or
tracin o(d ones. A(so ca((ed a Jrap0ics tab(et>J t0e !ser contacts t0e s!race o t0e
device wit0 a wired or wire(ess pen or p!c.
Oten mistaen(# ca((ed a mo!se> t0e p!c is
oicia((# t0e Jtab(et
c!rsor.J
Figure 15 . &iiti=er ,ab(et
3. Scanning *evices% A device t0at can read teDt or i((!strations printed on paper and
trans(ates t0e inormation into a orm t0e comp!ter can !se.
ICT- COMPUTER HARDWARE SERVICING
14
8/18/2019 g8 Computer Hardware Servicing Lm
15/77
Figure 16 . %mae scanner
Figure 17 . $ar Code /eader
4. 0oice% In&ut *evices % A!dio inp!t devices a(so nown as speec0 or voice
reconition s#stems t0at a((ow a !ser to send a!dio sina(s to a comp!ter or
processin> recordin> or carr#in o!t commands. A!dio inp!t devices s!c0 as
microp0ones a((ow !sers to spea to t0e comp!ter in order to record a voice messae
or naviate sotware.
Figure 18 . Microp0ones
C. Out&ut *evices % An# piece o comp!ter 0ardware t0at disp(a#s res!(ts ater t0e
comp!ter 0as processed t0e inp!t data t0at 0as been entered.
1. Com&uter *is&la -onitor% %t disp(a#s inormation in vis!a( orm> !sin teDt and
rap0ics. ,0e portion o t0e monitor t0at disp(a#s t0e inormation is ca((ed t0e
screen or video display terminal.
T&es of -onitor
ICT- COMPUTER HARDWARE SERVICING
15
8/18/2019 g8 Computer Hardware Servicing Lm
16/77
a. C#T -onitors % Cat0ode /a# ,!bes C/, were t0e on(# t#pe o disp(a#s or !sewit0 destop PCs. ,0e# are re(ative(# bi 14J to 16J deep and 0eav# over 15 (bs.
Figure 19. Cat0ode /a# ,!be Monitor
b. LC* -onitors - i!id Cr#sta( &isp(a# C& tec0no(o# 0as been !sed in (aptops
or some time. %t 0as recent(# been made commercia((# avai(ab(e as monitors or
destop PCs.
Figure 20. i!id Cr#sta( &isp(a# Monitor
c. LE* -onitors Li0t Emittin *iode - A disp(a# and (i0tin tec0no(o# !sed in
a(most ever# e(ectrica( and e(ectronic prod!ct on t0e maret> rom a tin# onKo (i0t
to diita( reado!ts> (as0(i0ts> traic (i0ts and perimeter (i0tin.
ICT- COMPUTER HARDWARE SERVICING
16
8/18/2019 g8 Computer Hardware Servicing Lm
17/77
Figure 21. Li0t Emittin *iode Monitor
3. LC* Pro2ectors% !ti(i=e two s0eets o po(ari=in
materia( wit0 a (i!id cr#sta( so(!tion between t0em. An
e(ectric c!rrent passed t0ro!0 t0e (i!id ca!ses t0e
cr#sta(s to a(in so t0at (i0t cannot pass t0ro!0 t0em.
'ac0 cr#sta(> t0ereore> is (ie a s0!tter> eit0er a((owin(i0t to pass t0ro!0 or b(ocin t0e (i0t.
Figure
22. C& Projector
4. Smart Board % A t#pe o disp(a# screen t0at 0as a to!c0 sensitive transparent pane(
coverin t0e screen> w0ic0 is simi(ar to a to!c0 screen.
Figure 23. "mart $oard
4. Printer - A device t0at prints teDt or i((!strations on paper.
T&es of &rinter
ICT- COMPUTER HARDWARE SERVICING
17
8/18/2019 g8 Computer Hardware Servicing Lm
18/77
• In,%@et or Bubble%@et Printer % bpra#s in at a s0eet o paper. %n-jet printers
prod!ce 0i0-!a(it# teDt and rap0ics.
Figure 24. %n- Let Printer
• Laser Printer % 9ses t0e same tec0no(o# as cop#
mac0ines. aser printers prod!ce ver# 0i0 !a(it# teDt
and rap0ics.
Figure 25 . aser Printer
• LC* and LE* Printer% "imi(ar to a (aser printer> b!t !ses
(i!id cr#sta(s or (i0t-emittin diodes rat0er t0an a (aser toprod!ce an imae on t0e dr!m.
Figure 26 . C& Printer
• Line Printer % Contains a c0ain o c0aracters or pins t0at
print an entire (ine at one time. ine printers are ver# ast>
b!t prod!ce (ow-!a(it# print.
Figure 27 .
ine Printer
• T)ermal Printer% An ineDpensive printer t0at wors b# p!s0in 0eated pins aainst
0eat-sensitive paper. ,0erma( printers are wide(# !sed in ca(c!(ators and aD
mac0ines.
Figure 28 . ,0erma( Printer
5. S&ea,ers % 9sed to p(a# so!nd. ,0e# ma# be b!i(t into t0e s#stem !nit or connected
wit0 cab(es. "peaers a((ow #o! to (isten to m!sic and 0ear so!nd eects rom #o!r
comp!ter.
ICT- COMPUTER HARDWARE SERVICING
1*
8/18/2019 g8 Computer Hardware Servicing Lm
19/77
*. Ports - 'Dterna( connectin socets on t0e o!tside o t0e comp!ter. ,0is is a
pat0wa# into and o!t o t0e comp!ter. A port (ets !sers p(! in o!tside perip0era(s> s!c0
as monitors> scanners and printers.
Ta#le $. T)e Ports and t)eir function
)y,e of &ort -unction IllustrationSerial Port %ntended or seria( t#pe
mo!se and o(der
camera
Parallel Port A(so ca((ed as printer port.
,0is is on(# or o(d
mode( printer. %t 0as
25 pins. %t is a ema(e
port.
0GA 50ideo Gra&)icArra6 Port 9sed to connect monitors.%t 0as 15 pins and it is
a ema(e port.
$SB 5$niversal Serial
Bus6 Port
Hi0 speed seria( interace
t0at is !sed wit0
a(most a(( devices. %t
is !sed to connect
(atest mode( printers>
pen drives> ce((
p0ones etc. it 0as 4pins.
PS/3 Port "imp(e> 6-pin> (ow-speed
seria( connections
common(# dedicated
to a e#board and
mo!se.
Po"er Port %ntended or power cord.
)y,e of &ort -unction IllustrationS%0ideo Port "-ideo connections are
avai(ab(e on certain
ICT- COMPUTER HARDWARE SERVICING
18
8/18/2019 g8 Computer Hardware Servicing Lm
20/77
so!rce components
and video disp(a#
devices> and oer a
0i0er (eve( o video
perormance over
composite video
sina(s.
Audio Port %ntended or p(!in in t0e
speaer or 0eadset.
LAN 5Local Area
Net"or,ing6 Port
A p0#sica( interace oten
!sed or terminatin
twisted pair t#pe
cab(es !sed to
connect comp!ters
onto a (oca(-area
networs A:>
especia((# 't0ernet
/L-45 connectors
'. Cables and (ires- A cab(e is most oten two or more wires r!nnin side b# side and
bonded> twisted or braided toet0er to orm a sin(e assemb(#> b!t can a(so reer to a
0eav# stron rope.
Ta#le % . T)e Cables and Connectors
Illustration Function
,0ese jacs are intended or
t0e P"K2 port speciica((#
or P"K2 t#pe o
e#board and mo!se.
,0is t#pe o jac is intended
or t0e a!dio and
microp0one port.
ICT- COMPUTER HARDWARE SERVICING
2+
8/18/2019 g8 Computer Hardware Servicing Lm
21/77
8/18/2019 g8 Computer Hardware Servicing Lm
22/77
Et)ernet networin.
Illustration Function
Power cord is t0e most
important cord beca!se
it connects t0e comp!ter
to t0e main so!rce o
e(ectricit# to mae it
!nctiona(.
1.3 Soft"are is t0e set o instr!ctions a(so ca((ed a proram t0at !ides t0e 0ardwareto operate eective(#. "otware can be sp(it into two main t#pes
1. Sstem Soft"are B An# sotware re!ired to s!pport t0e prod!ction or eDec!tion o
app(ication prorams> b!t w0ic0 is not speciic to an# partic!(ar app(ication. Common
operatin s#stems inc(!de )indows> t0e Macintos0 O"> O"K2 and 9:%.
3. A&&lication Soft"are B &esined to 0e(p t0e !ser to perorm sin!(ar or m!(tip(e
re(ated tass. 'Damp(es o app(ication sotware are as o((ows
a. )ord processin sotware - Creates> edits> saves> and prints doc!ments.
'Damp(e M" )ord> )ordPerect> Ami Pro> Mac)rite.
b. "preads0eet sotware - An e(ectronic spreads0eet consistin o rows and co(!mns
is !sed to present and ana(#=e data. 'Damp(e M" 'Dce(> ot!s 123> @!attro Pro.
c. &atabase manaement sotware - 9sed to str!ct!re a database> a (are co((ection
o comp!ter prorams. &ata is orani=ed as ie(ds and records or eas# retrieva(.
'Damp(e M" Access> d$ase> ?oD Pro> Orac(e.
ICT- COMPUTER HARDWARE SERVICING
22
%:9
)%:&O)"
MAC
http://www.techterms.com/definition/ethernethttp://www.techterms.com/definition/ethernet
8/18/2019 g8 Computer Hardware Servicing Lm
23/77
d. rap0ic sotware - rap0ics prorams disp(a# res!(ts o data manip!(ation or
easier ana(#sis and presentation. 'Damp(e Macromedia ?(as0> Harvard rap0ics>
3& "t!dio MaD> Adobe P0otos0op
1.4 Peo&le "are & /eers to peop(e invo(ved in t0e dataprocessin operations s!c0 as t0e s#stem administrator>
oice worers> st!dents and ot0ers.
Tas, 1 Perormance ,est
*irection iven t0e dierent cab(es> identi# t0eir !nctions as we(( as t0e part ocomp!ter s#stem eac0 one s!pports.
1. 2.
4. 7.
5. 6.
7. *.
ICT- COMPUTER HARDWARE SERVICING
23
Pro&ss
8/18/2019 g8 Computer Hardware Servicing Lm
24/77
Tas, 3
*irection %n t0e p!==(e be(ow> (oo or t0e 1+ 0idden comp!ter components and ive
t0eir ro(e on t0e comp!ter s#stem.
#E0EAL T'E PA#TS OF A CO-P$TE# SSTE-
C G M M Q F Y L W K C P A H K H G C N H
P O R K I R X N A A O A U A K B M P H U
Z A M Z W G W P X W A F V R Q V X U M Y
Q U I P R Y P T E X V I R D B W A O R B
I R T B A R S R U Y L G R D V J B O C U
A O N R D C S G S I L N H I Q S M I L X
C U H L Q U T Z G D C J F S E E J K O U
N H X S P U P D A K O Z X K M T Y U Z S
G H L P F H G P I Z T A F D O U U F T R
A S L W W T R A O S Q F A R E H B G M O
R Y B E A E M J I X K P I I X E C F H T
E S A C M E T S Y S D D E V W T I D V I
K W M I Q K K I S I O R R E I L D F F N
L E I O M E H Y A S K S A I I D G Z K O
M Q U N D H M R W O Q U H O V K T M J M
W P T H E R M K Z W J U B J B E A P Q Z
K Z Z M L H M O U S E C K Y C Y V Y S D
Y B Y V X E W P L Q Q Y O V N H E Z H D
R N F H T U B U G L S N P F J W N K N J
M J G N Y H V J D U G F L U X O M K D A
1. ____________________
2. ____________________
3. ____________________
4. ____________________
5. ____________________
6. ____________________
7. ____________________
8. ____________________
9. ____________________
10. ____________________
ICT- COMPUTER HARDWARE SERVICING
24
8/18/2019 g8 Computer Hardware Servicing Lm
25/77
Tas, 1+
1. iew act!a( persona( comp!ter and disc!ss its parts and !nction.
2. 9ti(i=in t0e %nternet and t0e website Yo'T'#e> view a video reardin parts o
t0e comp!ter. 9se t0e 9/s be(ow
( http!!""".youtu#e.com!"atch$v%&9g'()*c+,&
2. http!!""".youtu#e.com!"atch$
v%#y-n9/'voeature%playerem#edded
• Ater watc0in t0e videos> answer t0e o((owin !estions
o Can #o! cite t0e dierent partsK components o comp!ter s0owed in
t0e video presentationN
o &o t0e components p(a# an important ro(e in t0e comp!ter s#stemN
'Dp(ain #o!r answer.
ICT- COMPUTER HARDWARE SERVICING
25
R&t an!Un!rstan!
http://www.youtube.com/watch?v=A9gYVKPczRAhttp://www.youtube.com/watch?v=A9gYVKPczRA
8/18/2019 g8 Computer Hardware Servicing Lm
26/77
*irection &raw and (abe( t0e dierent 0ardware o a comp!ter. Ater drawin and
(abe(in t0e 0ardware components> ro!p t0em into %np!t &evices> O!tp!t &evices and
"torae &evices.
PE#SONAL CO-P$TE#
ICT- COMPUTER HARDWARE SERVICING
26
Trans$r
*no
8/18/2019 g8 Computer Hardware Servicing Lm
27/77
Preliminar Activit+ Pre% Test
*irection+ "e(ect t0e (etter o t0e correct answer. )rite #o!r answers on a separates0eet o paper.
1. )0ic0 too( is !sed or 0ardware to stand on to prevent static e(ectricit# rom b!i(din!pN
a. Anti-static mat c. P0i(ips 0ead screwdriver b. HeD driver d. )ire c!tter
2. )0ic0 too( is !sed to (oosen or ti0ten cross-0ead screwsNa. Anti-static mat c. P0i(ips 0ead screwdriver b. HeD driver d. )ire c!tter
3. )0ic0 too( is sometimes ca((ed a n!t driverN %t is !sed to ti0ten n!ts in t0e samewa# t0at a screwdriver ti0tens screwsN
a. Anti-static mat c. P0i(ips 0ead screwdriver
b. HeD driver d. )ire c!tter 4. )0ic0 too( is !sed to strip and c!t wiresN
a. Anti-static mat c. P0i(ips 0ead screwdriver b. HeD driver d. )ire c!tter
5. )0ic0 too( is !sed to retrieve parts rom (ocation t0at are too sma(( or #o!r 0and toitN
a. Part /etriever c. Cab(e tiesb. int-ree C(ot0 d. ?(at 0ead screwdriver
6. )0ic0 too( is !sed to c(ean dierent comp!ter components wit0o!t scratc0in or(eavin debrisN
a. Part /etriever c. Cab(e ties
b. int-ree C(ot0 d. ?(at 0ead screwdriver 7. )0ic0 too( is !sed to b!nd(e cab(es neat(# inside and o!tside o a comp!terN
a. Part /etriever c. Cab(e tiesb. int-ree C(ot0 d. ?(at 0ead screwdriver
*. )0ic0 too( is !sed to (oosen or ti0ten s(otted screwsNa. Part /etriever c. Cab(e tiesb. int-ree C(ot0 d. ?(at 0ead screwdriver
8. )0ic0 too( is !sed to (oosen or ti0ten screws t0at 0ave a star-(ie depression on t0etop> a eat!re t0at is main(# o!nd on (aptopN
a. Anti-static mat c. P0i(ips 0ead screwdriver b. ,orD screwdriver d. )ire c!tter
1+. )0ic0 too( is !sed to b(ow awa# d!st and debris rom dierent comp!ter partswit0o!t to!c0in t0e componentsN
a. Anti-static mat c. Compressed air b. HeD driver d. )ire c!tter
Lesson3+ $se of Tools in PC 'ard"are Servicing
ICT- COMPUTER HARDWARE SERVICING
27
8/18/2019 g8 Computer Hardware Servicing Lm
28/77
,o comp(ete 0ardware repairs> it is important to 0ave a too(it t0at s0o!(d contain
a(( o t0e necessar# too(s. As #o! ain eDperience> #o! wi(( (earn w0ic0 too(s to 0ave
avai(ab(e or dierent t#pes o jobs. Hardware too(s are ro!ped into t0ese o!r
cateories
• '(ectro-"tatic &isc0are .'"& too(s
• Hand too(s
• C(eanin too(s
• &ianostic too(s
Elec(ro&S(a(c Dsc)ar*e +ESD, Tools
"tatic e(ectricit# is easi(# enerated b# riction on carpets> ti(e (oorin> c(ot0in>
0air> abric> and etc. ,0e riction o movin air a(one wi(( c0are s!spended partic(es and
ca!se t0e b!i(d!p o static e(ectrica( c0ares on peop(e and objects in t0e environment.
ro!nded antistatic wor mats !sed wit0 antistatic wrist straps provide t0e most basic
means or t0e contro((ed disc0are o e(ectrostatic e(ectricit#.
'Damp(es o '"& ,oo(s
Anti-static wrist strap B 9sed to prevent '"&
damae to comp!ter e!ipment.
Figure 29. Anti- static wrist strap
Anti-static mat B 9sed to stand on or p(ace 0ardware on
to prevent static e(ectricit# rom b!i(din !p.
Figure 30 . Anti- static mat
'and Tools
ICT- COMPUTER HARDWARE SERVICING
2*
8/18/2019 g8 Computer Hardware Servicing Lm
29/77
A )and tool is a device or perormin wor on a materia( or a p0#sica( s#stem
!sin on(# 0ands. Hand too(s can be !sed man!a((# or e(ectrica((# powered> !sin
e(ectrica( c!rrent. 'Damp(es o Hand ,oo(s are as o((ows
Table 4. 'and Tools
Tool *escri&tion
?(at Head "crewdriver B 9sed to (oosen or ti0ten s(otted screws.
P0i(ips Head "crewdriver B 9sed to (oosen or ti0ten cross-0eadscrews.
,orD "crewdriver - 9sed to (oosen or ti0ten screws t0at 0ave a
star-(ie depression on t0e top> a eat!re t0at is main(# o!nd on
(aptop.
HeD &river B "ometimes ca((ed a n!t driver> is !sed to ti0ten n!ts
in t0e same wa# t0at a screwdriver ti0tens screws.
:eed(e-:ose P(iers B 9sed to 0o(d sma(( parts.
Tool *escri&tion
ICT- COMPUTER HARDWARE SERVICING
28
8/18/2019 g8 Computer Hardware Servicing Lm
30/77
)ire C!tter B 9sed to strip and c!t wires.
,wee=ers B 9sed to manip!(ate sma(( parts.
Part /etriever B 9sed to retrieve parts rom (ocation t0at is too
sma(( or #o!r 0and to it.
?(as0(i0t B 9sed to (i0t !p areas t0at #o! cannot see we((.
Cleaning Tools
Havin t0e appropriate c(eanin too(s is essentia( w0en maintainin or repairin
comp!ters. 9sin t0ese too(s ens!res t0at comp!ter components are not damaed
d!rin c(eanin. 'Damp(es
Table 7. Cleaning Tools
Tools *escri&tion
int-ree C(ot0 B 9sed to c(ean dierent comp!ter components
wit0o!t scratc0in or (eavin debris.
Tools *escri&tion
ICT- COMPUTER HARDWARE SERVICING
3+
8/18/2019 g8 Computer Hardware Servicing Lm
31/77
Compressed Air B 9sed to b(ow awa# d!st and debris rom
dierent comp!ter parts wit0o!t to!c0in t0e
components.
Cab(e ,ies B 9sed to b!nd(e cab(es neat(# inside and o!tside o a
comp!ter.
Parts Orani=er B 9sed to 0o(d screw> j!mpers> asteners and
ot0er sma(( parts and prevents t0em rom
ettin miDed toet0er.
*iagnostic Tools
Comp!ters are easier to !se and more dependab(e wit0 eac0 new eneration o
0ardware and operatin s#stem !pdate> b!t t0at does not mean t0e# are prob(em-ree.
Here are t0e most pop!(ar too(s or dianosin #o!r comp!ter prob(ems
Table 8. *iagnostic toolsTools *escri&tion
M!(timeter B 9sed to test t0e interit# o circ!its and t0e !a(it#
o e(ectricit# in comp!ter components.
oopbac Adapter B 9sed to test t0e !nctiona(it# o comp!ter
ports.
Pro&er $se of ES* Tools
ICT- COMPUTER HARDWARE SERVICING
31
8/18/2019 g8 Computer Hardware Servicing Lm
32/77
Pro&er $se of Antistatic (rist Stra&
1. Connect t0e cab(e to t0e meta( c0assis o t0e comp!ter.
2. )rap t0e strap aro!nd #o!r wrist.
3. ,0e connection wi(( eep #o!r bod# at t0e same vo(tae potentia( as t0e comp!ter.
4. Attac0 t0e wire on t0e same side o t0e e!ipment as t0e arm wearin t0e antistatic
wrist strap to eep t0e wire o!t o t0e wa# w0i(e #o! are worin.
Figure 31. Proper 9se o Anti- static wrist strap
CA$TION+ :ever wear an antistatic wrist strap i #o! are repairin a monitor or C/,.
Pro&er $se of Antistatic -at
1. a# t0e comp!ter on t0e mat.2. Connect t0e comp!ter to t0e mat
wit0 t0e cab(e.
3. Connect t0e mat to a re(iab(e
e(ectrica( ro!nd wit0 its cab(e.
4. :ow> #o! and t0e comp!ter are at
ro!nd potentia(.
Figure 32 . Proper 9se o Anti- static mat
Pro&er $se of 'and Tools
1. 9se t0e proper t#pe and si=e o screwdriver b# matc0in it to t0e screw.
2. &o not over ti0ten screws beca!se t0e t0reads ma# become stripped.
CA$TION+ % eDcessive orce is needed to remove or add a component> somet0in
ma# be wron.
CA$TION+ Maneti=ed too(s s0o!(d not be !sed aro!nd e(ectronic devices.
CA$TION+ Penci(s s0o!(d not be !sed inside t0e comp!ter beca!se t0e penci( (ead
can act as a cond!ctor and ma# damae t0e comp!ter components.
Pro&er $se of Cleaning -aterials
,o c(ean comp!ters and accessories
1. 9se mi(d c(eanin so(!tion and (int-ree c(ot0 to c(ean comp!ter cases> o!tside o
monitor> C& screen> C/, screen and mo!se.
ICT- COMPUTER HARDWARE SERVICING
32
8/18/2019 g8 Computer Hardware Servicing Lm
33/77
2. 9se compressed air to c(ean 0eat sins.
3. 9se %soprop#( a(co0o( and (int-ree swabs to c(ean /AM.
4. 9se 0and-0e(d vac!!m c(eaner wit0 a br!s0 attac0ment to c(ean a e#board.
CA$TION+ $eore c(eanin an# device>
t!rn it o and !np(! t0e
device rom t0e power
so!rce.
Tas, 1 :ame a ,oo(
*irections :ame t0e too(s presented be(ow. )rite #o!r answers on t0e space provided
beore eac0 too(.
1. *.
2. 8.
ICT- COMPUTER HARDWARE SERVICING
33
Pro&ss
8/18/2019 g8 Computer Hardware Servicing Lm
34/77
3. 1+.
4. 11.
5. 12.
6. 13.
7. 14.
Tas, 3+ Performance test
*irections 9sin t0e dierent avai(ab(e too(s in t0e (aborator#> #o! wi(( sereate t0e
too(s accordin to t0eir c(assiication w0et0er it is an '"& too(> Hand too(> c(eanin too(
or a dianostic too(. Fo! wi(( be rated accordin to t0e scorin r!bric be(ow
:ote t0e teac0er wi(( provide t0e dierent too(s
Classification of Tools
ICT- COMPUTER HARDWARE SERVICING
34
8/18/2019 g8 Computer Hardware Servicing Lm
35/77
8/18/2019 g8 Computer Hardware Servicing Lm
36/77
CO-P$TE# -AINTENANCE
CO-PONENTS TO CLEAN CLEAN (IT'+
Com&uter case
-ouse
!eboard
-onitorS&ea,er
Cooling fan
'eat sin,
Tas, 3+ Lets do it
*irection+ 9se t0e appropriate too(s to do eac0 o t0e o((owin tass. "aet#
preca!tions m!st be observed w0i(e worin.
1. oosen comp!ter casin screws.
2. $(ow awa# d!st rom e#board.3. ,i0ten screws o a PC.
4. $!nd(e cab(es inside t0e comp!ter.
5. ,est !nctiona(it# o t0e printer port.
Scoring #ubrics+
Tas,(as t)e tool used accuratelD
es No
1. oosen comp!ter casin screws
2. $(ow awa# d!st rom e#board
3. ,i0ten screws o a PC4. $!nd(e cab(es inside t0e comp!ter
5. ,est !nctiona(it# o t0e printer port
Note+ 'ac0 F'" or acc!rate !se o too(s wi(( be e!iva(ent to 2 points.
Total Score :!mber o F'" or acc!rate !sed o too(s.
Preliminar Activit+
*irection ?i(( !p t0e diaram be(ow wit0 t0e t0ins #o!
t0in wi(( be 0arm!( w0en doin a 0ardware repair.
ICT- COMPUTER HARDWARE SERVICING
36
*no+
8/18/2019 g8 Computer Hardware Servicing Lm
37/77
Lesson4+ Occu&ational 'ealt) and Safet Procedures
'a?ard Identification #is, Assessment and #is, Control
Occu&ational safet and )ealt) 5OS'6 is a p(anned s#stem o worin to
prevent i((ness and inj!r# w0ere #o! wor b# reconi=in and identi#in 0a=ards and
riss. Hea(t0 and saet# proced!re is t0e responsibi(it# o a(( persons in t0e comp!ter
and tec0no(o# ind!stries. Fo! m!st identi# t0e 0a=ards w0ere #o! are worin and
decide 0ow danero!s t0e# are. '(iminate t0e 0a=ard or modi# t0e ris t0at it presents.
,0ere are t0ree steps to manae 0ea(t0 and saet# at wor 1. "pot t0e Ha=ard
Ha=ard %dentiication> 2. Assess t0e /is /is Assessment and 3. Mae t0e
C0anes /is Contro(. Fo! can !se t0ese t0ree ,0in "ae steps to 0e(p prevent
accidents at wor
T)e T)in, Safe Ste&s
1. S&ot t)e 'a?ard
A )a?ard is an#t0in t0at co!(d 0!rt #o! or someone e(se.'Damp(es o worp(ace 0a=ards inc(!de
• ra#ed e(ectrica( cords co!(d res!(t in e(ectrica( s0oc
• boDes staced precario!s(# t0e# co!(d a(( on someone
• nois# mac0iner# co!(d res!(t in damae to #o!r 0earin
&!rin worin 0o!rs> #o! m!st remain a(ert to an#t0in t0at ma# be danero!s. % #o!
see> 0ear or sme(( an#t0in odd> tae note. % #o! t0in it co!(d be a 0a=ard> te((
someone.
2. Assess t/e Ris0 Assessin t0e ris means worin o!t 0ow (ie(# it is t0at a 0a=ard wi(( 0arm
someone and 0ow serio!s t0e 0arm co!(d be.
)0enever #o! spot a 0a=ard> assess t0e ris b# asin #o!rse( two !estions
• How (ie(# is it t0at t0e 0a=ard co!(d 0arm me or someone e(seN
• How bad(# co!(d % or someone e(se be 0armedN
ICT- COMPUTER HARDWARE SERVICING
37
8/18/2019 g8 Computer Hardware Servicing Lm
38/77
A(wa#s te(( someone #o!r emp(o#er> #o!r s!pervisor or #o!r 0ea(t0 and saet#
representative abo!t 0a=ards #o! canIt iD #o!rse(> especia((# i t0e 0a=ard co!(d ca!se
serio!s 0arm to an#one.
?or eDamp(e> 1 As #o!r s!pervisor or instr!ctions and trainin beore !sin
e!ipment> 2 As or 0e(p movin or (itin 0eav# objects> and 3 ,e(( #o!r s!pervisor
i #o! t0in a wor practice co!(d be danero!s.
% #o! are not s!re o t0e saest wa# to do somet0in d!rin wor eDperience> a(wa#s
as #o!r s!pervisor.
3. a0e t/e /an(es
%t is #o!r emp(o#erIs responsibi(it# to iD 0a=ards. "ometimes #o! ma# be ab(e to
iD simp(e 0a=ards #o!rse(> as (on as #o! donIt p!t #o!rse( or ot0ers at ris. ?or
eDamp(e> #o! can pic !p t0ins rom t0e (oor and p!t t0em awa# to e(iminate a trip
0a=ard.
Common )a?ards encountered b com&uter tec)nicians and users
A )a?ard is a sit!ation in t0e worp(ace t0at 0as t0e potentia( to 0arm t0e 0ea(t0
and saet# o peop(e or to damae p(ant and e!ipment. ,0e sit!ation co!(d invo(ve a
tas> c0emica( or e!ipment !sed. Ha=ard manaement is a contin!o!s process t0at
can be !sed to improve t0e 0ea(t0 and saet# o a(( worp(aces.
P)sical 'a?ards
One o t0e most common p0#sica( 0a=ards invo(vin comp!ter tec0nicians is
cab(es r!nnin across t0e (oor. % someone trips> a((s> and 0!rts 0imse( beca!se o a
cab(e #o! ran across t0e (oor> someone #o!> #o!r emp(o#er> or #o!r c!stomer 0as a
serio!s (ea( ne(ience prob(em. % #o! need to temporari(# r!n a cab(e across t0e
(oor> p(ace a &aner sin simi(ar to t0ose Jwet (oorJ sins !sed b# c(eanin services.
?or cab(es t0at are temporar# b!t wi(( need to r!n across t0e (oor or a (oner period o
time> !se Jaers tapeJ. aers tape is a 0eav# tape wit0 stron ad0esive to stic to t0e
(oor. ?or (on term cab(e ro!tin t0ere is a wide variet# o cab(e orani=in devices (ie
cab(e ties> cab(e wraps> and cab(e racewa#s w0ic0 can be !sed to r!n cab(e sae(#
a(on t0e wa(( or cei(in.
Ot0er common p0#sica( 0a=ards inc(!de (eavin too(s on top o (adders and
p(acin e(ectronic e!ipment in precario!s positions or on s!pport t0at is not st!rd#
eno!0 or not desined or 0o(din e(ectronic e!ipment.
-ec)anical 'a?ards
ICT- COMPUTER HARDWARE SERVICING
3*
8/18/2019 g8 Computer Hardware Servicing Lm
39/77
)0en worin on e(ectronic e!ipment> as #o!rse( J%s t0ere an# wa# t0is
e!ipment co!(d 0!rt meN Fo! mi0t stic #o!r 0and in a printer and s!dden(# t0e
paper eed arm moves> eedin not on(# paper t0ro!0 t0e printer> b!t a piece o #o!r
iner too.
Fo! mi0t move #o!r 0and past a comp!ter c0assis and (ose a c0!n o (es0
beca!se it is ra=or s0arp. )0en worin on e(ectronic e!ipment a(wa#s be a(ert to an#
possibi(it# o bein 0!rt b# movin parts> 0ot components> or s0arp edes.
C)emical 'a?ards
,0ere is a wide arra# o c0emica(s !sed wit0 e(ectronic e!ipment. ,0ere are
disp(a# c(eanin c0emica(s> e#board c(eanin c0emica(s> compressed as dirt and d!st
removers> and man# c(eanin so(vents. "ome o t0ese c0emica(s can be 0arm!( i
accidenta((# swa((owed> et on bare sin> or et in e#es. $eore !sin an# c0emica(s or
e(ectronic e!ipment a(wa#s read t0e warnins and instr!ctions on t0e (abe(.
A(so be ver# care!( w0en dea(in wit0 injet printer cartrides> or (aser printer toner cartrides. %n and toner can stain sin> c(ot0in and carpet.
Electric S)oc, 'a?ard
%nside comp!ters and e(ectronic e!ipment> t0ere is a rane o vo(taes rom 3.3
vo(ts to 25 vo(ts> most o w0ic0 are 0arm(ess. $!t at t0e power s!pp(#> #o! wi(( ind (ine
vo(tae> w0ic0 is a (et0a( 22+ vo(ts.
,0e worp(ace s0o!(d 0ave saet# !ide(ines to o((ow to
Protect peop(e rom inj!r#
Protect e!ipment rom damae
Protect t0e environment rom contamination
Safet Precautions ")en "or,ing+
1. A(wa#s ro!nd or disc0are #o!rse( beore to!c0in
an# part o t0e comp!ter.
2. &o not wor a(one so t0at t0ere is someone w0o can tae care o #o! in case o
accident or emerenc#.
3. $e care!( wit0 t0e too(s t0at ma# ca!se s0ort circ!it.
4. A(wa#s !(( t0e cab(e connector on t0e 0and(e and not 0o(d on t0e cab(e itse(.5. 9se on(# r!bber s0oes w0en standin on t0e ro!nd or in a concrete (oor.
6. Mae s!re t0at t0e pins are proper(# a(ined w0en connectin a cab(e connector.
7. A(wa#s power o and !np(! t0e comp!ter beore worin on it.
*. ,ae awa# an# (i!id s!c0 as minera( water or sot drins near #o!r worin area
or near comp!ters.
ICT- COMPUTER HARDWARE SERVICING
38
8/18/2019 g8 Computer Hardware Servicing Lm
40/77
8. Continenc# meas!res d!rin worp(ace accidents> ire> and ot0er emerencies
are reconi=ed.
1+.Persona( protective e!ipment is correct(# !sed in accordance wit0 orani=ation
proced!res and practice.
11. Ha=ardKriss in t0e worp(ace and t0eir correspondin indicators are identiied to
minimi=e or e(iminate ris to co/worers> worp(ace> and environment.
12.,ae necessar# preca!tions to protect t0e component o t0e comp!ter rom
damaed ca!sed b# '(ectrostatic &isc0are '"&.
13.Ho(d t0e components b# edes and do not to!c0 t0e %C 0ow to !se
t0em and w0ic0 to !se or e(ectrica( ires and or
comb!stib(e ires.
?ind an escape ro!te in case a ire ets o!t o
contro(.
now 0ow to contact emerenc# services !ic(#
eep t0e worspace c(ean.
eep most so(vents in a separate area.
Tas, 1+ Identifing Safet Precautions
ICT- COMPUTER HARDWARE SERVICING
4+
Pro&ss
8/18/2019 g8 Computer Hardware Servicing Lm
41/77
A. *irections On t0e tab(e provided be(ow> (ist down t0e saet# preca!tions app(icab(e
or peop(e> e!ipment and t0e environment. 9se t0e saet# preca!tions w0en worin
as #o!r reerence.
Peo&le Eui&ment Environment
B. *irection + Identif ")at )a?ard is being illustrated in t)e situation belo" .
1. "(ipper# comp!ter (aborator# (oor
2. Hot components> or s0arp edes o comp!ter devices
3. aser printer toner
4. Obstr!cted e(ectrica( cab(es
5. Open C/, monitor
Tas, 1+ S)ort Intervie"
*irections+ Cond!ct an interview wit0 a si((ed comp!ter tec0nician and as t0e
o((owin !ide !estions
1. )0at are #o!r persona( preparations or #o!r own saet# w0en worinN
2. )0at are t0e ot0er saet# preca!tions t0at #o! app(# w0en worinN3. )0at are #o!r tips or beinners (ie !s in ad0erin wit0 t0e saet# preca!tionsN
Tas, 3 + Time to Bro"se
*irections+ 9sin t0e internet> read more e$oos abo!t occ!pationa( 0ea(t0 and saet#
preca!tions. A(so #o! can watc0 video presentations eat!rin saet# preca!tions w0en
worin. Have a note or 0ard cop# o w0at #o! 0ave researc0ed. Fo! ma# !se t0e
o((owin web sites as #o!r reerence
1. 0ttpKKwww.#o!t!be.comKwatc0Nv"!/#m'HDm3%
2. 0ttpKKdanreb.comKsitesKdea!(tKi(esKCH"-:C2R2+/eviewerR2+-R2+)it0
R2+Ora(R2+@!estionin+.pd
3. 0ttpKKino.ps!.ed!.saKps!KcisKa(m!staaKC%"COKect!re
R2+"(idesK%,'PCv4+C0apter2.pd
ICT- COMPUTER HARDWARE SERVICING
41
R&t an!Un!rstan!
http://www.youtube.com/watch?v=SuRymEHxm3Ihttp://danreb.com/sites/default/files/CHS-NC2%20Reviewer%20-%20With%20Oral%20Questioning_0.pdfhttp://danreb.com/sites/default/files/CHS-NC2%20Reviewer%20-%20With%20Oral%20Questioning_0.pdfhttp://info.psu.edu.sa/psu/cis/kalmustafa/CISCO/Lecture%20Slides/ITE_PC_v40_Chapter2.pdfhttp://info.psu.edu.sa/psu/cis/kalmustafa/CISCO/Lecture%20Slides/ITE_PC_v40_Chapter2.pdfhttp://www.youtube.com/watch?v=SuRymEHxm3Ihttp://danreb.com/sites/default/files/CHS-NC2%20Reviewer%20-%20With%20Oral%20Questioning_0.pdfhttp://danreb.com/sites/default/files/CHS-NC2%20Reviewer%20-%20With%20Oral%20Questioning_0.pdfhttp://info.psu.edu.sa/psu/cis/kalmustafa/CISCO/Lecture%20Slides/ITE_PC_v40_Chapter2.pdfhttp://info.psu.edu.sa/psu/cis/kalmustafa/CISCO/Lecture%20Slides/ITE_PC_v40_Chapter2.pdf
8/18/2019 g8 Computer Hardware Servicing Lm
42/77
Tas,+ I Care -or Sa-e Wor.
*irection+ Observe t0e set-!p o #o!r sc0oo( w0at s0o!(d #o! doN
"imp(e 0a=ard e.. boDes on t0e (oor t0at et in t0e wa#
More comp(eD 0a=ard e.. ra#ed cords> damaed e!ipment
Assess t)e ris,
)0at two main t0ins s0o!(d t0e person in c0are or responsib(e or saet# consider
w0en assessin t0e risN
ICT- COMPUTER HARDWARE SERVICING
42
Trans$r
______________________________________________________________________
______________________________________________________________________
______________________________________________________________________ __________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________
_____________________________________________________
__________________________________________________________________________
__________________________________________________________________________
__________________________________________________________________________ ______________________________________________________
8/18/2019 g8 Computer Hardware Servicing Lm
43/77
Preliminar Activit+ S,ills Test
*irection+ isted be(ow are some o t0e most important
si((s t0at #o! m!st ain in order or #o! to render !a(it#
service w0en #o! enter t0e rea( wor(d o Comp!ter Hardware "ervicin. /ead care!((# t0e si((s t0en p!t a
c0ec mar in :ot m!c0 i #o! are not rea((# ami(iar> A (itt(e i #o! 0ave a (itt(e
now(ede and A (ot i #o! are ami(iar wit0 t0e si((. ?ee( ree to answer eac0 si((.
S,ills in Com&uter 'ard"are Servicing Not -uc) A little A lot
I can o&en a com&uter case.
I can connect t)e mouse.
I can connect t)e ,eboard.
I can connect t)e monitor.
I can detac) t)e &o"er su&&l from t)e sstem unit.I ,no" )o" to remove t)e #A- from t)e
mot)erboard.
I can remove t)e )ard drive from t)e sstem unit.
Lesson 7+ Assembl and *isassembl of a Personal Com&uter
One o t0e basic si((s t0at #o! m!st ac!ire in comp!ter 0ardware servicin is to
independent(# assemb(e and disassemb(e a persona( comp!ter or simp(# settin !p a
PC. Ater ami(iari=in wit0 a(( t0e too(s and saet# preca!tions % be(ieve t0at #o! are now
read# to ain anot0er eDperience in CH" b# oin t0ro!0 t0is (esson.
Personal Com&uter *isassembl
ICT- COMPUTER HARDWARE SERVICING
43
*no+
8/18/2019 g8 Computer Hardware Servicing Lm
44/77
$eore startin comp!ter disassemb(#> mae s!re #o! 0ave t0e too(s #o! need
and t0e#Ire a(( c(ose b# and 0and# and be s!re to 0ave a container to eep t0e screws
in so #o! 0ave t0em w0en #o! want to p!t t0ins bac toet0er.
Ste&1. $n&lugging - ,0e irst t0in #o! do is to !np(! ever# cab(e t0at is p(!ed in to#o!r comp!ter. ,0at inc(!des t0e cab(es s!c0 as Power> 9"$> Mo!se>
e#board> %nternet> 't0ernet> Modem> AMS?M Antenna> Cab(e ,> etc. L!st
!np(! a(( t0e cab(es or saet# p!rposes.
:ow t0at #o!r comp!ter is !((# !np(!ed> move #o!r PC to a c(ean wor
space> preerab(# a carpet. ,0e carpet is better t0an ti(e> beca!se screws and
ot0er sma(( parts wi(( ro(( aro!nd.
Ste&3. O&ening t)e Outer S)ell/Case- ?irst> !nscrew t0e o!r screws at t0e bac o
t0e comp!ter. On most comp!ter cases> t0ere wi(( be (are nobs t0at #o! can!nscrew b# 0and or b# screw driver on t0e bac-ri0t side o t0e comp!ter. ,0e
(et side 0as sma(( screws beca!se on t0at side #o! canIt access m!c0 on t0e
inside.
Figure 33. "crew at t0e bac o comp!ter c0asis
Once t0e screws are removed> #o! can remove t0e side pane(s. On most
comp!ters> t0e# j!st s(ide o. "tart wit0 t0e (et side pane( t0e side t0at once 0ad t0enobs> s(ide it towards t0e bac o t0e comp!ter. :ow #o! can remove t0e (et pane(.
L!st (ie t0e ot0er side> s(ide it towards t0e bac o t0e
comp!ter.
ICT- COMPUTER HARDWARE SERVICING
44
"idePane
(
8/18/2019 g8 Computer Hardware Servicing Lm
45/77
Figure 34. /emovin t0e side pane(
NOTICE+
% #o! are worin on a carpet> abo!t ever# ive min!tes to!c0 somet0in t0at is
ro!nded "in a!cet K pipe> wire comin rom t0e ro!nd part o a wa(( o!t(et. ,0is is
done so #o! do not s0oc #o!r mot0erboard or ot0er parts.
Ste&4. #emoving t)e Sstem Fan - ?irst> !np(! t0e an rom t0e mot0erboard. Fo!
can ind t0e p(! b# o((owin t0e wire rom t0e an. %t s0o!(d be (abe(ed J"F"?A:1J.
:eDt> #o! wi(( 0ave to !nscrew t0e an rom t0e o!tside. Fo! s0o!(d now be ab(e to (it
t0e an o!t o t0e PC.
Figure 35 . /emovin t0e s#stem an
Ste&7. #emoving t)e CP$ Fan% ,0e CP9 an is (ocated ri0t on top o t0e CP9 0eat
sin> w0ic0 is a (are piece o meta( wit0 ins on t0e top. ,0e CP9 an p(!s into t0e
mot0erboard in an awward p(ace> t0at is 0ard to access. $!t j!st o((ow t0e wires and
#o! s0o!(d easi(# ind it. %t is (abe(ed JCP9 ?A:1J. ,o remove t0e an rom t0e 0eat sin>
remove t0e o!r screws sec!rin it in p(ace.
ICT- COMPUTER HARDWARE SERVICING
45
"#stem ?an
8/18/2019 g8 Computer Hardware Servicing Lm
46/77
Figure 36 . /emovin t0e CP9 an
Ste&8. Po"er Su&&l % ,0e irst t0in to do is !np(! ever# wire comin rom t0e power
s!pp(#. Fo! m!st disconnect t0e mot0erboard ver# (are connectorKp(!> C&K&&
drives power> interna( 0ard drive power and portab(e 0ard drive s(ot power.
Once ever#t0in is !np(!ed> !nscrew t0e o!r screws 0o(din t0e power s!pp(#
in p(ace> on t0e bac o t0e comp!ter. :eDt> p!s0 t0e power s!pp(# rom t0e o!tside>
and t0en (it it o!t.
Figure 37 . 9nscrew t0e power s!pp(#
Ste&:. C*/ *0* *rive5s6% ?irst> !np(! t0e ribbon rom t0e bac o t0e drive. Once t0at
is comp(eted> p!(( on t0e tab sec!rin t0e drive in p(ace> t0en p!s0 it o!t rom t0e inside.
ICT- COMPUTER HARDWARE SERVICING
46
CP9 ?an
8/18/2019 g8 Computer Hardware Servicing Lm
47/77
Figure 38 . ocation o C& K && &rive
Ste&;. 'ard *rive % ?irst> !np(! t0e connector at t0e bac o t0e s(ot> and !np(! t0e
ot0er end rom t0e mot0erboard. A(so !np(! t0e "A,A cab(e rom t0e mot0erboard and
t0e 0ard drive. ,0e portab(e 0ard drive s(ot is sec!red t0e same wa# t0e C&K&& drive
is> wit0 a tab. P!(( on t0e tab> t0en s(ide t0e s(ot o!t.
Figure 39. 9np(!in t0e Hard &rive connector
,o remove t0e 0ard drive rom t0e side o t0e s(ot> !nscrew t0e o!r screws sec!rin it in
p(ace. Fo! m!st be ver# care!( not to drop t0e 0ard drive> since it is ver# de(icate;
ICT- COMPUTER HARDWARE SERVICING
47
C& K &&&rive
8/18/2019 g8 Computer Hardware Servicing Lm
48/77
Figure 40 . /emovin t0e 0ard drive rom t0e side o t0e s(ot
Ste& p!s0 down on bot0 tabs 0o(din t0e /AM
in p(ace> w0ic0 are (ocated at bot0 ends o t0e /AM.
Figure 41. /emovin t0e Memor#
Ste&=. -ot)erboard % ,0e mot0erboard 0as seven screws 0o(din it to t0e rame>w0ic0 are indicated b# (are w0ite circ(es aro!nd t0em. /emove t0em and t0en (it t0e
mot0erboard o!t o t0e rame.
Figure 42 . /emovin t0e Mot0erboard
ICT- COMPUTER HARDWARE SERVICING
4*
:ow t0at #o! are done wit0 t0e disassemb(#> #o! 0ave ained eno!0si((s. :eDt in (ine is t0e PC Assemb(#> eDert more eort and patience. L!st o((owt0e step b# step proced!res and i((!strations be(ow and s!re(# #o! can mae it.ood !c;;;
8/18/2019 g8 Computer Hardware Servicing Lm
49/77
Ste& b Ste& Com&uter Assembl
Ste& 1. Pre&are our "or,&lace
1. ,ae %nventor#
$eore #o! start> tae an inventor# o #o!r parts. &o not bein assemb(in #o!r
comp!ter i #o! donIt 0ave ever#t0in #o! need. $ein t0e step-b#-step process once
#o! are read# wit0 ever#t0in #o! need.
Figure 43. ,ae inventor# o t0e &ierent Comp!ter Parts
2. Mae "pace> Mae ,ime
$!i(din a PC taes !p space - abo!t a dinin room tab(e wort0. "o mae s!re
#o! 0ave p(ent# o worin room and a ew 0o!rs to proceed wit0 minima( interr!ption.
)or on a (at> stab(e tab(e top s!race> or bare (oor> w0ere #o! 0ave room to (a#o!t a((
o t0e items.
3. Prepare ro!ndin Protection
9se an ineDpensive antistatic wrist strap. %t is t0e perect preventive meas!re i
#o! 0ave no a(ternative to worin on carpet. /emember> a tab(e top or bare (oor is
a(wa#s t0e best p(ace to b!i(d #o!r s#stem. Mae s!re #o! are wearin #o!r antistatic
wrist strap correct(# it does #o! no ood at a(( i #o! do not wear it;> and #o! are read#
to proceed. oo at ?i!re 42 or detai(s.
ICT- COMPUTER HARDWARE SERVICING
48
8/18/2019 g8 Computer Hardware Servicing Lm
50/77
Figure 44. )earin t0e Anti- static )rist "trap Correct(#
4. Have t0e &rivers /ead#
Ass!min #o! 0ave anot0er internet connected PC> down(oad t0e (atest drivers
rom t0e vendorsI websites or eac0 component #o! wi(( be insta((in. "ometimesdrivers are !pdated between t0e time t0e component was man!act!red and t0e time
#o! are insta((in it. %t is a(wa#s best to 0ave t0e (atest. Cop# t0em to a C& or eas#
access.
Ste& 3. Pre&are t)e -ot)erboard
1. reat care s0o!(d be taen w0en insta((in t0e mot0erboard. ?irst> tae t0e board
o!t o its pacain and p!t it on top o t0e antistatic ba it came in see ?i!re
45. /emember> #o! a(wa#s want to sae!ard #o!r components rom potentia((#
0a=ardo!s static e(ectricit# wear #o!r strap.
ICT- COMPUTER HARDWARE SERVICING
5+
8/18/2019 g8 Computer Hardware Servicing Lm
51/77
Figure 45 . Mot0erboard in an Antistatic $a
2. $eore #o! sec!re t0e mot0erboard onto t0e PC caseKc0assis> inspect it care!((#
or an# visib(e deects.
3. :eDt> review t0e mot0erboard man!a(> to mae s!re #o! are ami(iar wit0 t0e
mot0erboard (a#o!t and !nderstand w0ic0 socet is w0ic0. Man!a(s are
eDtreme(# 0e(p!(> !s!a((# eas# to read> and inc(!de i((!strations. $e(ow #o! can
ind instr!ctions on 0ow to insta(( t0e processor> t0e 0eat sin and t0e memor#
mod!(es on t0e mot0erboard. Fo! s0o!(d not p(ace t0e mot0erboard in t0e
comp!ter case !nti( #o! are to(d to do so.
Ste& 4. Install t)e CP$
1. 9se t0e !n(ocin mec0anism to
open t0e CP9 socet w0ic0 is
!s!a((# a (ever.
2. Care!((# (ine !p t0e pins and
p(ace t0e c0ip in its socetT it wi((
it on(# w0en oriented t0e proper
wa#. An arrow or a missin pin on
one corner o t0e c0ip wi(( s0ow
#o! 0ow to (ine t0ins !p.
3. A(in ,rian!(ar CP9 and socet
e# mars as s0own in ?i!re 46.
4. ower t0e (ever to (oc t0e CP9
into p(ace.
Figure 46 . %nsta(( CP9
Ste& 7. Install t)e CP$ 'eat Sin,
1. ?o((ow t0e man!act!rerIs directions to insta(( t0e 0eat sin and t0e an t0at wi((coo( t0e processor. % #o! bo!0t an O'M CP9 and a separate 0eat sin> #o!
ma# need to spread a t0in (a#er o t0e t0erma( rease t0at came wit0 t0e 0eat
sin over t0e c0ip to ens!re proper transer o 0eat some 0eat sins come wit0
t0is rease a(read# app(ied.
ICT- COMPUTER HARDWARE SERVICING
51
8/18/2019 g8 Computer Hardware Servicing Lm
52/77
Figure 47 . %nsta(( CP9 Heat "in
3. Attac0 t0e c(ip t0at 0o(ds t0e 0eat sin in p(ace eepin in mind t0at it ma#
re!ire a air amo!nt o orce. Aain> o((ow t0e instr!ctions t0at came wit0 t0e
0eat sin. ,0e# wi(( s0ow #o! 0ow to it it correct(#. % #o! are in do!bt> #o! can
visit t0e man!act!rerIs website or more inormation.
4. P(! t0e CP9 anIs power connector into t0e proper connector on t0e
mot0erboard.
Ste& 8. Install -emor 5#A- -odules6
%n order to insta(( t0e memor# mod!(es> insert t0em into t0e proper socets
?i!re 4* and p!s0 down irm(# b!t even(# !nti( t0e c(ips on bot0 sides o t0e socet
pop into p(ace. % #o!r mot0erboard s!pports d!a(-c0anne( memor#> cons!(t t0e !ser
man!a( to determine w0ic0 pairs o /AM socets #o! s0o!(d !se. ,0e mot0erboard and
t0e CP9 are t0e brain and nerve center o #o!r PC> so se(ectin t0ese components is
t0e most important decision #o!I(( mae.
ICT- COMPUTER HARDWARE SERVICING
52
8/18/2019 g8 Computer Hardware Servicing Lm
53/77
Figure 48 . %nsta(( /AM Memor#
Ste& :. Place t)e mot)erboard into t)e case
1. "ome PC cases 0ave a removab(e mot0erboard
tra#. % #o!rs does> remove t0e screws 0o(din it in
p(ace and p!(( it o!t o t0e case ?i!re 48.
Figure 49. /emove Mot0erboard ,ra#
2. :ote t0e pattern o t0e 0o(es in #o!r mot0erboard ?i!re 5+> and screw brass
standos into t0e mot0erboard tra# or into t0e PC case in t0e correct (ocations
A)AF" c0ec t0e man!a( and o((ow t0eir instr!ctions to t0e (etter.
Figure 50 . "crew $rass "tandos %nto t0e Mot0erboard
3. C0ec t0e (a#o!t o t0e socets on t0e mot0erboard> and conirm t0at t0e ports on
#o!r mot0erboardIs bac pane( matc0 t0e 0o(es on t0e caseIs %np!tKO!tp!t %KO s0ie(d
t0at is insta((ed in #o!r case. % necessar#> remove t0e o(d %KO s0ie(d b# tappin it irm(#
a ew times wit0 t0e b!tt-end o a screwdriver> and t0en rep(ace it wit0 t0e s0ie(d t0at
came wit0 t0e new mot0erboard.
ICT- COMPUTER HARDWARE SERVICING
53
8/18/2019 g8 Computer Hardware Servicing Lm
54/77
4. Care!((# position t0e mot0erboard on top o t0e brass standos ?i!re 51> (ine !p
a(( t0e 0o(es> and !se t0e screws t0at accompanied t0e case to asten down t0e
mot0erboard. % #o! are !sin a removab(e tra# in #o!r s#stem> s(ide t0e tra# and
mot0erboard bac into t0e
case and t0en sec!re
t0e tra#.
Figure 51. Case man!act!rers provide co(or-coded power cab(es and !ni!e
connector s0apes to mae t0e job eas#.
1. ?irst> p(! t0e (are A, power connector ?i!re 53 rom #o!r power s!pp(# into t0e
matc0in port on #o!r mot0erboard. oo ?i!re or detai(s.
ICT- COMPUTER HARDWARE SERVICING
54
8/18/2019 g8 Computer Hardware Servicing Lm
55/77
2. ocate t0e sma((er> s!are processor power connector ?i!re 54 #o! cannot miss it
- it is t0e one spro!tin t0e #e((ow and b(ac wires and attac0 it to t0e mot0erboard.
:ote #o!r connector is !s!a((# (ocated near t0e processor. As a(wa#s> reer to #o!r
mot0erboardIs man!a( or t0e eDact (ocations.
3. 9se #o!r mot0erboard !ser man!a( and ind t0e description abo!t ront-pane(
connectors.
Figure 53. are A, Connector
Figure 54. Connect t0e A, Power in t0e Mot0erboard
ICT- COMPUTER HARDWARE SERVICING
55
8/18/2019 g8 Computer Hardware Servicing Lm
56/77
Figure 55 . "!are Processor Power Connector
NOTE
Fo! are oin to be doin wor t0at re!ires attention to detai( and can be !ite
r!stratin i #o! do not o into it wit0 t0e ri0t attit!de.
4. Attac0 eac0 o t0e tin# (eads rom t0e power and reset switc0es ?i!re 56> t0e 0ard-
dis activit# (i0ts> t0e PC speaer> and an# ront-pane( 9"$ and ?ire)ire ports to t0e
correspondin pin on #o!r mot0erboard. ,0e need(e-nose p(iers are !se!( or
manip!(atin sma(( pieces.
Figure 56 . Connect t0e dierent eads
Ste&
8/18/2019 g8 Computer Hardware Servicing Lm
57/77
Figure 57 . /emove t0e bacp(ane cover
2. %nsta(( t0e rap0ics board in t0at s(ot> and t0en sec!re t0e card wit0 a screw
?i!re 5*.
Figure 58 . %nsta(( t0e rap0ics $oard
Ste& =. Install Internal *rives
:ow it is time to insta(( #o!r drives. ,0is is an eas# process> b!t it re!ires attention to
detai(.
1. Mae an# necessar# c0anes to j!mpers on t0e drives beore mo!ntin t0em in
t0e case. A two-drive s#stem one or two "A,A Seria( ATA% is a standard
0ardware interace or connectin 0ard drives and C&K&& drives to a comp!ter
0ard drives> p(!s one para((e( A,A Advanced ,ec0no(o# Attac0ment optica(
ICT- COMPUTER HARDWARE SERVICING
57
8/18/2019 g8 Computer Hardware Servicing Lm
58/77
drive> or eDamp(e is eas# to set !pT t0e "A,A drives are j!mper (ess> and t0e
optica( drive can be set as master on its own para((e( A,A c0anne(. Man# cases
0ave removab(e drive rai(s or caes to 0o!se drives.
2. 9se t0e inc(!ded screws to attac0 #o!r drives to t0e rai(s or cae> and s(ide t0em
into t0e case. ?or eDterna((# accessib(e drives s!c0 as a && recorder> #o! can
save time b# insta((in one drive rai( and s(idin t0e drive in or a test ittin to
mae s!re t0at its ront is (!s0 wit0 t0e case ?i!re 58.
3. )0en t0e drives are insta((ed> connect power and data cab(es to eac0 one.
Para((e( A,A drives !se wide> (at data cab(es t0at can be insta((ed on(# in t0e
correct wa#. ?(opp# drives !se a simi(ar b!t sma((er cab(eT "A,A drives !se a
t0in> 1cm-wide data cab(e. "A,A drives !se a new t#pe o power connector t0at
man# power s!pp(ies donIt come wit0. ?ort!nate(#> man# mot0erboards s0ip wit0
adapters or convertin a standard o!r-pin power connector to a "A,A power
connector ?i!re 58.
Figure 59. Attac0 #o!r
devices
ICT- COMPUTER HARDWARE SERVICING
5*
8/18/2019 g8 Computer Hardware Servicing Lm
59/77
8/18/2019 g8 Computer Hardware Servicing Lm
60/77
Connecting Peri&)erals of a Personal Com&uter
)0en attac0in 0ardware and perip0era(s o t0e comp!ter> ens!re t0at t0e# are
connected to t0e correct (ocations or ports. ?or eDamp(e> some mo!se and e#board
cab(es !se t0e same t#pe o P"K2 connector. "o> #o! m!st now irst t0e dierent ports
t0at can be o!nd in t0e bac pane( o t0e comp!ter.
!ee& in mind
1. )0en attac0in cab(es> never orce a connection.
2. P(! in t0e power cab(e ater #o! 0ave connected a(( ot0er cab(es.
Ste&s in Connecting E9ternal 'ard"are of a PC
Ste& 1. Attac0 t0e monitor cab(e to t0e video port.
Ste& 3. "ec!re t0e cab(e b# ti0tenin t0e screws on t0e connector.
Figure 62 . Attac0 t0e Monitor Cab(e
Ste& 4. P(! t0e e#board cab(e into t0e P"K2 e#board port.
ICT- COMPUTER HARDWARE SERVICING
6+
Conrat!(ations or doin a reat job> b!t 0o(d on wit0 #o!r patiencebeca!se #o! sti(( need to comp(ete anot0er topic w0ic0 is connectin t0e PCperip0era(s. "o> eep movin.
8/18/2019 g8 Computer Hardware Servicing Lm
61/77
Figure 63. P(! t0e e#board Cab(e
Ste& 7. P(! t0e mo!se cab(e into t0e P"K2 mo!se port.
Figure 64. P(! t0e Mo!se Cab(eSte& 8. P(! t0e 9"$ cab(e into a 9"$ port.
Figure 65 . P(! t0e 9"$ Cab(e
Ste& :. P(! t0e networ cab(e into t0e networ port.
Figure 66 . P(! t0e :etwor Cab(e
Ste& ;. P(! t0e power cab(e into t0e power s!pp(#.
ICT- COMPUTER HARDWARE SERVICING
61
8/18/2019 g8 Computer Hardware Servicing Lm
62/77
Figure 67 . P(! t0e Power Cab(e
Ater connectin a(( t0e cab(es into t0eir proper p(aces> t0e pict!re in t0e neDt
pae s0o!(d be t0e appearance o t0e bac pane( o #o!r PC.
Figure 68 . Appearance o t0e PC now it
8/18/2019 g8 Computer Hardware Servicing Lm
63/77
*irection+ /earrane t0e o((owin proced!res in t0eir proper order. 9se n!mbers to
indicate t0eir order o precedence. ,0e irst n!mber is done or #o!.
A. Personal Com&uter *isassembl
71. &etac0in t0e Hard &rive
2. &etac0in t0e power s!pp(#
3. Openin t0e o!ter s0e(( K case
4. P!(( O!t t0e Mot0erboard
5. /emovin t0e C& K && &rives
6. /emovin t0e CP9 an
7. /emovin t0e s#stem an
*. 9np(!in a(( t0e cab(es and wires
B. Personal Com&uter Assembl
7 1. Connect t0e Power "!pp(#
2. %nsta(( rap0ics K ideo Cards
3. %nsta(( %nterna( &rives
4. %nsta(( Memor# /AM Mod!(es
5. %nsta(( t0e Add- in Cards
6. %nsta(( t0e CP9
7. %nsta(( t0e CP9 Heat "in
*. P(ace t0e mot0erboard into t0e case
8. Prepare t0e Mot0erboard 1+. Prepare #o!r worp(ace
Tas, 1+ Time to Bro"se
*irection 9ti(i=in t0e internet> watc0 video presentations abo!t connectin PC parts
and read additiona( boos or comp!ter 0ardware servicin to broaden #o!r ideas and
si((s. Fo! can !se t0e o((owin 9/s or #o!r reerence.
1. 0ttpKKwww.#o!t!be.comKwatc0Nv6:7b$s?+w- Comp!ter Hardware $asics
ICT- COMPUTER HARDWARE SERVICING
63
R&t an!Un!rstan!
http://www.youtube.com/watch?v=6N7bqBsFL0w-http://www.youtube.com/watch?v=6N7bqBsFL0w-
8/18/2019 g8 Computer Hardware Servicing Lm
64/77
2. 0ttpKKwww.wii0ow.comK%nsta((-Comp!ter-Hardware- How to insta(( Comp!ter
Hardware
3. 0ttpKKwww.directron.comK0owto!ps#s.0tm(- How to insta(( Comp!ter components
4. 0ttpKKwww.c(earnree.orKcomp!terbasicsK1+.1- "ettin 9p a &estop
Comp!ter
Tas, 3+ Grou& and Learn
*irection+ Have a ro!p o ive 5 peop(e and disc!ss abo!t t0e video presentations>
0ave a brain stormin abo!t t0e 0e(p!( tips iven in t0e video and tr# to ac!ire t0e
tec0ni!es on t0e PC Assemb(# and disassemb(# b# 0avin an act!a( activit#.
Tas, 1+ Performance Test
*irection+ ?o((ow t0e iven proced!res be(ow and saet# preca!tions m!st be observed
w0en worin. Fo! wi(( be rated in accordance wit0 t0e r!brics provided be(ow
Procedures+
A. PC *isassembl
ICT- COMPUTER HARDWARE SERVICING
64
Trans$r
http://www.wikihow.com/Install-Computer-Hardware-http://www.directron.com/howtoupsys.html-http://www.gcflearnfree.org/computerbasics/10.1-http://www.wikihow.com/Install-Computer-Hardware-http://www.directron.com/howtoupsys.html-http://www.gcflearnfree.org/computerbasics/10.1-
8/18/2019 g8 Computer Hardware Servicing Lm
65/77
8/18/2019 g8 Computer Hardware Servicing Lm
66/77
C. Connecting PC Peri&)erals
ICT- COMPUTER HARDWARE SERVICING
66
8/18/2019 g8 Computer Hardware Servicing Lm
67/77
/!brics or #o!r perormance ,est
Criteria Score
Acc!rac# 5+ R
Ad0erence to t0e proced!res 2+R
)ormans0ipapp(ied saet#preca!tions
2+R
"peed 1+R
Tas, 3+
*irection+ Answer t0e essentia( !estions be(ow accordin to #o!r eDperience in
connectin 0ardware and perip0era(s o a comp!ter.
1. )0at is t0e essence o o((owin t0e correct proced!res in connectin
t0e PC partsN
2. )0at do #o! t0in is t0e main reason w0# we s0o!(d never eDert too
m!c0 orce w0en attac0in t0e cab(es o PC partsN 'Dp(ain #o!r answer.
3. )0at is #o!r perspective w0# t0e power cab(e s0o!(d a(wa#s be t0e (ast
on t0e proced!re o attac0in partsN
4. )0at do #o! ee( w0en #o! are doin t0e activit#N
5. As a comp!ter tec0nician> w0# do t0in si((s is a cr!cia( actorN
FINAL ACTI0IT
Activit 1+ Team u& and Learn
*irection Ater comp(etin a(( t0e (essons in t0is mod!(e #o! need to accomp(is0 t0e
ina( activities provided 0ere.
,eam !pK0oo !p wit0 a si((ed comp!ter tec0nician in #o!r (oca(it# and render a
!a(it# Kmaretab(e services s0owcasin a(( t0e si((s #o!
8/18/2019 g8 Computer Hardware Servicing Lm
68/77
Perform t)e follo"ing+
1. C(ean a(( t0e dirt# comp!ters in t0e comp!ter (aborator#
2. "0ow or eD0ibit si((s in PC assemb(# and disassemb(# !sin t0e deective
comp!ters in t0e comp!ter (aborator#.
S$--A#
ICT- COMPUTER HARDWARE SERVICING
6*
You did great!!! CONGT"#T$ON%..&o'..(it )a*+ a&drela,..
8/18/2019 g8 Computer Hardware Servicing Lm
69/77
8/18/2019 g8 Computer Hardware Servicing Lm
70/77
Lesson 1+ Process
1. 9"$ Cab(e K mo!se K e#board K printer K camera K scanner
2. /L 45 K A:
3. A K Monitor
4. Printer cab(e jac
5. "peaer jac
6. Power cord K power s!pp(#
7. P"K2 K mo!se and e#board
esson 1 Process
C + + + + + + + + + + P + H + + + C + +
+ O + + + + + + + + O + + A + + + P + +
+ + M + + + + + + W + + + R + + + U + Y
+ + + P + + + + E + + + + D + + + + R +
+ + + + A + + R + + + + + D + + B O + +
+ + + + + C S + + + + + + I + + M I + +
+ + + + + U T + + + + + + S + E + + O +
+ + + + P + + D + + + + + K M + + + + S
+ + + P + + + + I + + + + D + + + + + R
+ + L + + + + + + S + + + R + + + + + O
+ Y + + + + + + + + K + + I + + + + + T
E S A C M E T S Y S D D + V + + + + + I
+ + + + + + + + + + + R R E + + + + + N+ + + + + + + + + + + + A I + + + + + O
+ + + + + + + + + + + + + O V + + + + M
+ + + + + + + + + + + + + + B E + + + +
+ + + + + + M O U S E + + + + Y + + + +
+ + + + + + + + + + + + + + + + E + + +
+ + + + + + + + + + + + + + + + + K + +
+ + + + + + + + + + + + + + + + + + + +
esson 2 Process
,as 1
1. Anti- "tatic )rist strap
ICT- COMPUTER HARDWARE SERVICING
7+
8/18/2019 g8 Computer Hardware Servicing Lm
71/77
2. ?(at 0ead screw driver
3. ?(as0(i0t
4. int ree c(ot0
5. M!(ti- tester
6. Anti static mat
7. P0i(ips 0ead "crew driver
*. Part /etriever
8. Compressed air
1+. oop bac adapter
11. ,orD
12. ,wee=er
13. HeD
14. :eed(e :ose P(ier
,as 1
CO-P$TE# -AINTENANCE
CO-PONENTS TO CLEAN CLEAN (IT'+
Comp!ter case C(eanin so(!tion and (int ree c(ot0Mo!se int ree c(ot0 and c(eanin so(!tione#board $r!s0> (int ree c(ot0> mini vac!!m c(eaner Monitor C(eanin so(!tion and (int ree c(ot0"peaer $r!s0 and (int ree c(ot0Coo(in an $r!s0> compressed air Heat sin Compressed air> br!s0
Lesson 4+ Process
Peo&le Eui&ment Environment
1. &o not wor a(one so
t0at t0ere
8/18/2019 g8 Computer Hardware Servicing Lm
72/77
can tae care o #o! in
case o accident or
emerenc#.
2. 9se on(# r!bber s0oes
w0en standin on t0e
ro!nd or in a concrete
(oor
3. A(wa#s power o and
!np(! t0e comp!ter beore
worin on it.
4. Continenc# meas!res
d!rin worp(ace accidents>
ire and ot0er emerencies
are reconi=ed.
5. Persona( protectivee!ipment is correct(# !sed
in accordance wit0
orani=ation proced!res
and practice
6. /ead and o((ow
instr!ction on t0e man!a(
care!((#.
to!c0in an# part o t0e
comp!ter
2. $e care!( wit0 t0e too(s
t0at ma# ca!se s0ort circ!it
3. A(wa#s !(( t0e cab(e
connector on t0e 0and(e
and not 0o(d on t0e cab(e
itse(
4. Mae s!re t0at t0e pins
are proper(# a(ined w0en
connectin a cab(e
connector.
5. ,ae awa# an# (i!id
s!c0 as minera( water or
sot drins near #o!r worin area or near
comp!ters
6.,ae necessar#
preca!tions to protect t0e
component o t0e comp!ter
rom damaed ca!se b#
'(ectrostatic &isc0are
'"&.
7. Ho(d t0e components b#
edes and do not to!c0 t0e
%C
8/18/2019 g8 Computer Hardware Servicing Lm
73/77
a&&lication soft"are - A set o prorams desined to 0e(p t0e !ser to perorm sin!(ar
or m!(tip(e re(ated tass.
bus% A data pat0wa# between severa( 0ardware components inside or o!tside a
comp!ter.
cable ties% a t#pe o c(eanin too( !sed to tie cab(es and wires.
com&ressed air% A c(eanin too( composed o air !sed to b(ow awa# d!st.
digiti?er% %s a rap0ics drawin tab(et !sed or setc0in new imaes or tracin o(d
ones.
e9&ansion bus % %t connects t0e parts o t0e CP9 to eac0 ot0er> b!t a(so (ins t0e CP9wit0 ot0er important 0ardware.
)and tool% A device or perormin wor on a materia(> or a p0#sica( s#stem !sin on(#
0ands.
)ard dis, drive% %s a manetic storae device t0at is insta((ed inside t0e comp!ter.
)ard"are% ,0ese are t0e tanib(e component o a comp!ter s#stem.
)a?ard% %s a sit!ation in t0e worp(ace t0at 0as t0e potentia( to 0arm t0e 0ea(t0 andsaet# o peop(e or to damae p(ant and e!ipment.
lint% free clot)% A t#pe o c(ot0 !sed to c(ean dierent comp!ter components wit0o!t
scratc0in
mot)erboard% ,0e main circ!it board o a comp!ter containin a(( t0e essentia( parts o
a PC.
&eo&le "are% /eers to peop(e invo(ved in t0e data processin operations.
&ort % %s an eDterna( connectin socet on t0e o!tside o t0e comp!ter. ,0is is a
pat0wa# into and o!t o t0e comp!ter.
#@78% J/LJ in stands or Jreistered jac>J since it is a standardi=ed networin interace
and J45J simp(# reers to t0e n!mber o t0e interace standard.
ICT- COMPUTER HARDWARE SERVICING
73
8/18/2019 g8 Computer Hardware Servicing Lm
74/77
serial &ort% A port intended or seria( t#pe o mo!se and o(der camera.
smart board - ,#pe o disp(a# screen t0at 0as a to!c0 sensitive transparent pane(
coverin t0e screen.
static electricit - An acc!m!(ation o e(ectric c0are on an ins!(ated bod#.
sstem soft"are- %s a set o instr!ction re!ired to r!n a comp!ter s#stem.
tool B %s a 0and0e(d device t0at aids in accomp(is0in a tas.
tool,it - A set o too(s desined to be !sed toet0er .
AC#ON-S
ATA% Advance ,ec0no(o# Attac0ment
BIOS% $asic %np!t O!tp!t "#stem
ICT- COMPUTER HARDWARE SERVICING
74
8/18/2019 g8 Computer Hardware Servicing Lm
75/77
C*% Compact &isc
C'S- Comp!ter Hardware "ervicin
C#T% Cat0ode /a# ,!be
ES*% '(ectro "tatic &isc0are
*0*- &iita( ersati(e &isc
'**% Hard &is &rive
LAN- oca( Area :etworin
LC*- i!id Cr#sta( &isp(a#
LE*- i0t 'mittin &iode
O'S% Occ!pationa( Hea(t0 and "aet#
#A-% /andom Access Memor#
#O-- /ead On(# Memor#
SATA% "eria( Advance ,ec0no(o# Attac0ment
$SB- 9niversa( "eria( $!s
0GA- ideo rap0ic Arra#
#EFE#ENCES
$oos and Artic(es and Printed Materia(s
1. $arr# Press> Marcia Press> PC $&grade and #e&air Bible
*es,to& Edition.> )i(e# P!b(is0in %nc.> 1+475 Crosspoint
ICT- COMPUTER HARDWARE SERVICING
75
8/18/2019 g8 Computer Hardware Servicing Lm
76/77
$o!(evard> %ndianapo(is> %: 46256
3. /on i(ster> PC #e&air Benc) Boo,.> )i(e# P!b(is0in %nc.> 1+475
Crosspoint $o!(evard> %ndianapo(is> %: 46256
4. $arr# Press> Marcia Press> PC $&grade and #e&air Bible *es,to&
Edition.> )i(e# P!b(is0in %nc.> 1+475 Crosspoint $o!(evard> %ndianapo(is>
%: 46256
4. ! to 13 Basic Education Curriculum% Tec)nolog and Liveli)ood Education
earnin Mod!(e BComp!ter Hardware "erviciin- #ONAL*O 0. #A-ILO and
*EO0E# -. PASCO
'(ectronic /eso!rces
1. 0ttpKKwww.b!==(e.comKartic(esKcomp!ter-memor#-t#pes.0tm(
Com&uter -emor T&es
2. 0ttpKKwww.at0ropo(is.comKpop!pKc-comp2.0tm
-easurements for -emor H Storage
3. 0ttpKKwww.!st!d#.inKceK0ardK!1
Fundamentals of PC re&air
4. 0ttpKKdanreb.comKsitesKdea!(tKi(esKCH"-:C2R2+/eviewerR2+-R2+)it0R2+Ora(R2+@!estionin+.pd
Occu&ational 'ealt) and Safet Precautions
5. 0ttpKKp!==(emaer.discover#ed!cation.comKCrissCross"et!p?orm.asp
Pu??les for Activities
6. 0ttpKKino.ps!.ed!.saKps!KcisKa(m!staaKC%"COKect!re
R2+"(idesK%,'PCv4+C0apter2.pd
Occu&ational Safet Precautions
7. )tt&+//""".outube.com/"atc)Dvtf!e
8/18/2019 g8 Computer Hardware Servicing Lm
77/77
1+.0ttpKKwww.wii0ow.comK%nsta((-Comp!ter-Hardware-
'o" to install Com&uter 'ard"are
11. 0ttpKKwww.directron.comK0owto!ps#s.0tm(-
'o" to install Com&uter com&onents
12.en.wiipedia.or
13.0ttpKKwww.bec0te(.comKassetsKi(esK'nvironmenta(K,oo(boD"aet#,opicsK2+
1+KProper,oo("e(ection.pd
Tool Selection
14.0ttpKKwww.im(.!ts.ed!.a!Kassessment-!t!resKdesininKassemb(in.0tm(
15. 0ttpKKwww.instr!ctab(es.comKidK&isassemb(e-a-Comp!terK- Comp!ter $asics
http://www.wikihow.com/Install-Computer-Hardware-http://www.directron.com/howtoupsys.html-http://www.instructables.com/id/Disassemble-a-Computer/-http://www.instructables.com/id/Disassemble-a-Computer/-http://www.wikihow.com/Install-Computer-Hardware-http://www.directron.com/howtoupsys.html-http://www.instructables.com/id/Disassemble-a-Computer/-