Chapter 4Hardware and Network Troubleshooting

THE COMPTIA A+ EXAM 220-901 TOPICS COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:

  • 4.1 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
      • Proprietary crash screens (BSOD/pin wheel)
      • Distended capacitors
    • Tools
      • Multimeter
      • Power ...

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