Transcript
Foundation ICT 2 Elective
Maintenance safety What tools are required for PC
maintenance Use of the tools Maintenance procedures
Electrical current kills humans• The Electric Chair?
Electric current burns humans• It hurts
Never work on a PC while it is plugged into an outlet
Always unplug the PC before working inside the case
Low current high voltage• E.g. spark as you get out of car
Damages microcircuits Ways to prevent:
• anti-static strap worn while working on PC• anti-static mat placed on work bench• anti-static bags for packaging parts
Screwdrivers:• Philips head or cross head – most popular• Blade or flat - some uses• Torx – mainly laptop repair
Different sizes• Philips – medium and small• Flat – small• Torx – 10, 15, 20, 25
Multimeter – troubleshooting power supply
Network Cable Tester – troubleshooting cables
Use the right tool for the job Never over-tighten screws Look after the tools Replace damaged tools Buy quality tools
Every case is different Some cases are tool-less Manuals online Use forums Take your time the first time Take a break if you’re getting
frustrated
Unplug the PC Place on anti-static mat Look over the case, work out how to
open Decide what tools are required Open the case Put on anti-static strap and attach it
to a metal part of the case
NOTE: Only work on PC’s that are out of warranty.
Look at a computer case and work out how it is opened.
Attempt to open a computer case. List the tools required to open the
case. List the procedures you followed.
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