My Pc wont boot up

  follyview 17:29 12 Jul 2007
Locked

It starts to boot up then switches off. Already tried new lithium m/board battery, still no use

  SANTOS7 17:43 12 Jul 2007

At what point does it switch off before POST or after POST, do you get bios beeps,if so how many...

  follyview 20:40 12 Jul 2007

hi, no beeps. it`s very odd cos sometimes we can get it to boot to desktop password before it switches off. But we have also had promts to boot in safe or normal, not tried safe yet, but all atemps have turned off before finishing

  skidzy 20:45 12 Jul 2007

Post back after you have tried safemode,if you get the same outcome in safemode i would suggest psu failure or overheating.
Check all fans are clear of dust etc.

  SANTOS7 20:46 12 Jul 2007

No beeps suggests you have a PSU problem a loose component or a short somewhere, i would chech for loose components first, if you are confident enough to do so following all the safety procedures, but have to say it points to a PSU failure..

  follyview 21:26 12 Jul 2007

yeh thanks ht exch bracket broken, over heat and failure

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