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Old 01-04-2007, 12:48 PM   #1 (permalink)
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Join Date: Jan 2007
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Default power supply issue

Was pulling my computer out.
It was turned on.
Computer quit.
Hit power on button
Lights Flashed
Turned Back off
Hit it again
nothing happened
hit it again
lighs flashed
went back off


My power supply model is: atx-300-12eb3

I've found if i leave the four pin power unplugged everything will start running but the monitor and back panel won't recieve any signal. So is it safe to blame this problem on my power supply and not my mother board?

To make the it all worse I was thinking at first that i might have knocked the power switch and reset button loose. So I yanked them all out, they are all single pins. I put a 450 watt power supply into the computer and when i pushed the on button it burned out. I saw a flash and i smelt the smell.


nothing too major i dont guess i just need the worlds best troubleshooters to help me out...
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Old 01-05-2007, 12:57 PM   #2 (permalink)
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Join Date: May 2005
Posts: 27
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what burnt out? sorry a bit confused, did the psu burn out or the mobo? Sounds like you are talking about your mobo burnt up. If it was the mobo check the capacitor. If they are plumped up then the board is dead. You will need to check all your cards on a diff comp to make sure the power spike did'nt frie them.
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