A PC you are working on fails to boot it's OS. The OS is installed, but the PC cannot seem to access it. Your first course of action should be to:

  • Re-install the OS
  • Make sure the drive the OS is installed on is the primary boot device
  • Upgrade the BIOS
  • Replace the hard drive as it has likely failed

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