Chapter 20

Hardware and Network Troubleshooting

The following CompTIA A+ Exam 220-802 objectives are covered in this chapter:

  • 4.2 Given a scenario, troubleshoot common problems related to motherboards, RAM, CPU and power with appropriate tools.
    • Common symptoms
    • Unexpected shutdowns
    • System lockups
    • POST code beeps
    • Blank screen on bootup
    • BIOS time and settings resets
    • Attempts to boot to incorrect device
    • Continuous reboots
    • No power
    • Overheating
    • Loud noise
    • Intermittent device failure
    • Fans spin – no power to other devices
    • Indicator lights
    • Smoke
    • Burning smell
    • BSOD
    • Tools
    • Multimeter
    • Power supply tester
    • Loopback plugs
    • POST card
  • 4.3 Given a scenario, troubleshoot hard drives and RAID arrays with appropriate tools.
    • Common symptoms ...

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