After adding or upgrading hardware in your computer, it may no longer work. Before following any of the troubleshooting steps below, remove the new hardware and try to boot the computer again. If the computer still does not work after removing the new hardware or upgrade, continue with the suggestions below.

Computer does not power on

  • Why won’t my computer turn on?

Computer does not beep but turns on

If, after adding new hardware the computer powers on but you get no beeps or video, follow the POST troubleshooting steps.

  • POST troubleshooting steps.

Computer no longer loads into Windows

If you’re no longer able to get into Windows after installing new hardware and are getting an error while loading, perform a Computer Hope search for the error you are getting.

Otherwise, boot into Safe Mode and either reinstall the software that came with the hardware or install the software that game with your hardware device.

  • CPU help and support.
  • CD-ROM help and support.
  • Hard drive help and support.
  • Memory (RAM) help and support.
  • Power supply help and support.
  • Computer hardware help and support.