computer switches off

  nonowtatall 17:16 21 Mar 2010

I have a dell desk top computer and just lately it takes to just switching off for no apparent reason and i have to start it up again what causes this to happen

  User-1229748 17:51 21 Mar 2010

could be overheating,when was its last clean inside?also could look in event viewer to see if any clues there.

  User-1229748 17:53 21 Mar 2010

may also be failing psu.

  nonowtatall 18:32 21 Mar 2010

what is event viewer and where is it

  nonowtatall 19:10 22 Mar 2010

hi smackheadz
found the event veiwer but what do i look for as there is a lot to look at i have also dusted and hoovered the computer also i see a battery in the works is that flat and want renewing

  User-1229748 23:24 22 Mar 2010

are the fans working properly? have a read of this and see if anything seems to give any ideas.have a look in device manager to see if you have any yellow signs click here

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