A computer locks up frequently, and no error message can be seen on screen. The problem occurs every time the user attempts to restart the computer. What is the most likely reason for this problem?

  • The index service is not running.
  • The power supply has failed.
  • A startup file has become corrupted.
  • The CPU is overheating.
Answers Explanation & Hints:

If the power supply has failed the PC would turn off or could display a stop error message if the failure is partial. The index service not running does not cause a PC to lockup. No startup file is likely to be corrupted as the issue appears during normal operation. An overheading CPU would cause the computer to lockup.

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