Help - PC not powering up

cambb

cambb

cambb

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Joined
4 Jul 2007
Posts
261
Hi,
My PC went off on Saturday and has a burning smell i think coming from the psu. Saturday was really warm and my AMD 1045 cpu is overclocked to 3.6

When powering on the fans come on for a micro second and then stop. the motherboard does show a green light on but that's all.

I have removed the dimms, graphics card + all drive power connections and the systems the same. The psu is a OCZ700sxs and i've tried the jump start and the fan on the psu does run but you can smell the burning really strong.

The motherboard is a asus m4a89gtd pro.

Any ideas or anything i can do to solve or diagnose the faulty component?

thanks in advance
 
PC wont power on, burning smell coming from CPU, sounds like youve diagnosed the problem already.

Cant you borrow a CPU from a friend to see 100% if its the problem ?
 
Could it be that a capacitor inside the PSU has exploded? Or something has gone wrong in the PSU at least by the sound of things, you're (obviously) not supposed to smell burning in the PSU.
 
The CPU will have throttled/shut itself down if things got too warm. Unless you're running insane voltage I can't see it being the problem.

PSU or Motherboard. I'd personally buy a cheapish (but not budget) PSU for testing purposes. As your current situation illustrates, spare parts come in handy.
 
Thanks for the help.

I bought the pc pre built 2.5 years ago therefore i suspect that the psu should still be under the OCZ 3 year warranty.
 
quick update. i have used the power connections from my daughter Q6600 PC onto the motherboard of mine and it powers the motherboard and fans. so it looks like a PSU problem
 
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