Re: OT: PC burn out.

["Robert G. (Doc) Savage" <dsavage@peaknet.net>]

On Wed, 2005-09-28 at 15:14 -0500, NZG wrote:
> The other night my home PC died.
> Specifically, my processor fan gave out while I was in the other room and it 
> overheated. (I left it for a few hours)
> 
> Now, when I plug the power supply into the little 12V power jack next to the 
> CPU, the power supply won't turn on. In fact it appears to be shorting 
> internally because once I attempt it the power supply won't come back alive 
> util it has power removed from it, is unplugged from the header, and sits a 
> second.
> 
> This happens regardless of whether the processor is installed or not.
> 
> The neither the processor nor the motherboard show any visable damage and they 
> don't smell like they've been burned.
> 
> Given these clues I have concluded that at least my motherboard is fried.
> My processor may or may not be fried, I'm not real sure how to check this 
> short of putting it into a known good motherboard and seeing what it does.
> 
> I have ordered a replacement motherboard from newegg(and am wondering why I 
> ever went with micro ATX) and am debating whether to order a new processor 
> (AMD 2600)or to risk putting the potentially blown processor into the new 
> motherboard and try it out.
> 
> What do you think?

If the CPU cooler died first, then you *may* have lost only the CPU.
Remember that you need motherboard logic to allow the power supply to
start up. Without a good CPU and heatsink, that logic won't be there.
And if your CPU is dead (or playing 'possum with a dead cooler), your
new motherboard will appear dead too.

Try to find a known good Athlon XP with a heat sink. If you can't find
any, let me know. I've got two pairs of Athlon MP CPUs (and their
companion coolers) sitting in my orphans box, any one of which would
work in your system.

--Doc



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