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  PSU Power issue 
 
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adam camo May 26, 2012, 12:18am EDT Reply - Quote - Report Abuse
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I really should just copy one of the other posts because this seems to be redundant with what im going to explain and how i am having the same issue with the PSU.
But here goes, built the pc from scratch all brand new parts and it all worked great for 6 months until the PSU just wouldnt start, but once it did start after DC and fooling around with it the pc would work great until i switched it off and then id be doing the same thing again the next minute / hour / day id try turning it on.

I tried all the usual things:
-new cable
-checked the connections to the power switch / even swapped the reset switch to check it wasnt the switch its self.
-reset bios / cmos which worked to start it up almost every time.
-removed all hardware and cables and started again
-removed the heatsink on the cpu checked for bent pins / reapplied themal paste and reassembled.
Any help would be great.

Im running
XFX1250W BLACK ED PSU
Gigabyte assassin 2
3930K @3.8GHz
16 GBCorsair veng 1600mhz
XFX 7970 x 2
Corsair H100 cooler


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Dr. Peaceful May 29, 2012, 01:23pm EDT Reply - Quote - Report Abuse
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>> Re: PSU Power issue
Replace the PSU, instead of continue to playing around with it. One day it could potentially fry your main board, CPU, graphic card, hard drive, etc, along with it.

From my experience, faulty PSUs could still be working intermittently. It could still be able to generate power, but just not stable power. The main board won't turn on, if the PSU fails the voltage test on POST and fail to provide a Power_OK status. It's a mechanism for the board to protect itself.


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