Computer Won't Switch On But CPU Light Is On

September 3, 2010 at 01:13:38
Specs: Linux i686, 2.8 Ghz P4
I recently changed the power cable to my cpu and a flash of white light came from the back of the pc as soon as I switched on the mains, since then it wont turn on although the light on the motherboard indicates on.

Initially i thought the power supply must have been fried but it worked just fine when I tried it on different motherboard. I also tried shorting the power switch contacts on the motherboard to rule out the possibility of a faulty power switch.

I dont know whether the motherboard light would turn on if it was fried, hopefully not. Are there any other possibilities or solutions?

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September 3, 2010 at 08:37:03
Since the motherboard performs many functions, even if the light comes on, you could have fried other functions. A flash of white light is never a good thing, unless you're dying. Then you might be on to something.

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