lost near all power to pc

July 30, 2009 at 12:13:22
Specs: Windows Vista
my pc just suddenly turned itself off and when i try to turn it back on the only sighn of life i get is the power button lighting up and a couple of led's flash once.

ive tested to see if it was the power supply, and ive tried unplugging all of the components out of the back but neither of these has worked. I've also taken the front off to make sure all of the connections are still in place and they look ok to me, so i really do'nt know what to do now.

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July 30, 2009 at 13:04:44
Try this first maybe. Be sure to remove all un-needed devices for the last ditch way to test. I strip out all cards and drives except one and test. If works then add in cards. I sometimes even remove memory to one stick.

A common way for a system to power up is the power button connects through the motherboard and back to the ps. The PS ramps up and at some point a latch needs to happen. This gets tricky on some combo's of ps and mb.s Since you say it did work we can only suspect two items. One is PS and the other is MB. As I said earlier there are know issues with in some cases both being good but fails to latch because of timings.

"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

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July 30, 2009 at 13:52:11
It's probably a bad power supply.

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August 1, 2009 at 11:21:51
Do you hear any drives spinning? What is your monitor reading at the time that this happens?
The power supply could be bad, but more info is needed because a bad motherboard/BIOS chip could cause similar problems.

did you make sure your memory, cables and processor are all "seated" correctly?


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