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CompTIA Server+ Certification
5.2 Troubleshooting Scenarios
Objectives• Diagnose problems relating
to hardware components and the boot process
• Troubleshoot disk storage and RAID
• Troubleshoot network problems and use diagnostic utilities, such as ping and nslookup
• Identify and resolve common NOS problems
5.2 Troubleshooting Scenarios Slide 2
Troubleshooting Power
• Mains power failure requires UPS then backup generator
• For PSU, check fuses then test unit with multimeter or PSU tester
• Alternatively swap out PSU
5.2 Troubleshooting Scenarios Slide 3
Troubleshooting POST
• POST not running
– What has changed?
– Check cabling and connectors
– Strip out adapters / modules
– Use diagnostics
– Check jumpers have not been incorrectly set
– CMOS battery
• POST error codes
• OS loader failures5.2 Troubleshooting Scenarios Slide 4