pc keeps switching itself off

  kench 19:18 11 Sep 2010
Locked

help please am running xp and sometimes my pc screen just goes blank and starts to reboot going through disk check utility!!
also the curser on the screen freezes just after pc starts up. any idea anyon!!!!!!

  birdface 19:27 11 Sep 2010

Try Safe mode and either a system restore or last good configuration.
Check the airvents are nort clogged up by dust and fluff if so inside will also need cleaning.

  Dark Mantis 21:13 11 Sep 2010

It could be that the PSU is on the way out. What is it and how old?

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