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Old 03-23-2009, 01:44 PM   #1 (permalink)
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Default Computer wont turn on :(

So I woke up this morning and pressed the power button on my computer, and absolutely nothing happened.
I thought the PSU might have gotten up plugged, but the switch lights up red when it is switched on, and it was lit. So the PSU is getting power from the wall socket. I then thought that maybe something else inside the PSU may have gone bad. I tested it by turning it on by shorting the power on and ground pins on the 24 pin connector, and sure enough it starts up. I tested all the voltages with a multimeter and they were all fine. I then thought that the power switch may have gone bad, so i tried shorting the power switch pins on the motherboard with a jumper, and it would not turn on. Is this enough to conclude that my motherboard has gone bad? Is there any other tests I should do?

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Old 03-23-2009, 01:47 PM   #2 (permalink)
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Default Re: Computer wont turn on :(

Sounds like your MB is dead.

-Vista SME
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Old 03-23-2009, 02:09 PM   #3 (permalink)
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Default Re: Computer wont turn on :(

Originally Posted by Lexluethar View Post
Sounds like your MB is dead.
Yeah it does....

If you can substitute another power supply in the machine that may be the
cause. Power supplies do not have to die entirely to cause what you
describe. Check carefully that all cards are seated in their slots. Inspect
cables that they are plugged in securely. Note if there is a huge amount of
dust on either the PS fan and cpu heat sink fan. Clean it off of course. If
it weren't for the point that you hear no post sound when you start the
computer I would also suspect the video going bad, so I still am guessing
power supply issues.
Your speculation that this is hardly worth the effort because of the lack
of the original OS CD is somewhat valid but one might get around that other
ways, including getting in touch with the manufacturer to have them send you
another CD for a nominal price. If you can get it working and can't locate
the original OS CD then it may be still worth the cost of buying a new copy
of XP for it as the cpu is still very workable for most everyday
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