You are called to look at a co-workers computer. It is not powering on, no fans start, there is no sound, and no lights turn on when the power button is pushed. What should you do first?

  • Replace the CMOS battery
  • Check the boot sequence in the BIOS/UEFI
  • Check the power cable
  • Replace the power supply

CompTIA A+ 220-901
  • Hardware
  • Networking
  • Mobile Devices
  • Hardware and Network Troubleshooting
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