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sammy5gs

Mobo Go Bye-Bye : Diagnosis Required

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Hey Guys...

 

Ok - So I am sitting at my PC doing some online banking (nothing hard at all) when all of a sudden, the computer shuts off. Not the monitor, just the computer. I try to turn on the computer, and get just a flash of power (barely 1/2 second and then nothing). At first, I am thinking the PSU. I have a beast of a PSU, so I plug it to a PSU Tester - all system good! I do my simple diagnostics (unplug power, unplug power connectors, flush power button, etc, etc). Try it again, no joy (1/2 second power - that is it).

 

I have a spare PSU (that I know is good) sitting around, and decide to plug that puppy into the mobo, and still, no joy on the mobo?

 

My next step is to take everything apart, as I am expecting there to be a short somewhere (although since I unplugged everything, my guess would be the mobo).

 

Any thoughts/recommendations/hints/suggestions you guys can share? Any help would be greatly appreciated.

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Isn't the 850 the one that needs some load banacing.

5V rail being under-used or something?

Almost sounds like a short of some type.

Have you tried the board out of the case?

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hi

do u have all the 4 power conectors plugged to the mobo?

 

that quite a beast of psu that u have...ouch

 

when u say stock u mean stock cooler?

good luck and keep us updated

 

;)

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Thanks for the quick replies. I do have all four power connectors hooked up. I meant stock as in stock speeds.

 

I just took the mobo out of the case. I just plugged in CPU, cooler, mem stick, and GPU for starters to see if any juice going to the board. I decided to use the spare PSU (PC Power & Cooling 550). I used the power button on the mobo and no joy, but just then, a loud POP and blue/gray smoke coming out of the PSU.

 

Now, remember, this was the spare PSU that was working before all this drama - and this was outside the case. Thank god I didn't use the 850. I am thinking something must have snapped with the mobo. Thoughts?

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