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[Solved... doh!] Problems with GPU... bad GPU or mobo?

Charlie98

Charlie98

Diamond Member
RE: DESK in sig below.

I swapped GPUs around yesterday, finally settling the GTX760 in my main desktop permanently. I had it there before, moved it to the GAME computer for a while, and now back to the DESK PC.

GPU is an EVGA GTX760SC, I am running this stock, no OC, with Precision X open. Brand new SeaSonic 620w PSU (1 month old.) Running 2 monitors.

I was running Valley 1.0 as a test, GPU temps ran in the low '80's (quiet fan profile, hence the higher temps.) When the bench completed, I closed out of Valley and... both monitors went blank (and into sleep after a moment) and the computer rebooted.

1) I unplugged everything, hooked everything back up, rebooted... and the monitors came on again. In order to prove it, I rebooted and then... immediately on power-up, the GPU fans go to 100% and I get nothing on the monitors.

2) I pulled the GPU, restarted using the iGPU... everything OK.

3) Reinstalled the GPU... 100% fans, no monitors. Switching to the iGPU, the 760 doesn't even show up in Device Manager, so I uninstalled all the NVidia drivers and tried a clean install... just like installing from scratch. Nothing.

4) To test the PCIe slot, I installed my HD6450 from my HTPC... worked perfectly. Booted into Windows, system searched for drivers and installed, monitors work fine.

I will install the 760 in the GAME computer when I have time tonight, to see if it functions there... I guess that'll prove one way or another, but in the meantime... am I missing anything, or is this classic dead card syndrome?
 
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Afterthought: Here's the weird thing... When I close out of Valley, it throws up the 'credit' screen... and on that screen only I hear coil whine. It did it with my GTX560, too, so I never thought anything of it.
 
Sounds like the card croaked, but who knows without testing. If you've got other machines, why not test the card in another machine? Alternatively, if you've got another PSU, you might want to swap that in.
 
goobernoodles said:
Sounds like the card croaked, but who knows without testing. If you've got other machines, why not test the card in another machine? Alternatively, if you've got another PSU, you might want to swap that in.
Click to expand...

Yes, I'm going to put it in my gaming rig tonight... with it's tried and true TX750 PSU.
 
nice to have two rigs for this kind of testing. Wouldn't be all that suprising if the 760 worked fine in the other rig. Sometimes parts just don't play well with each other.
 
monkeydelmagico said:
nice to have two rigs for this kind of testing. Wouldn't be all that suprising if the 760 worked fine in the other rig. Sometimes parts just don't play well with each other.
Click to expand...

Yaa, but the 760 was in my desktop previously and worked well... it didn't even suffer from the twin monitor bug. And it was sure rocking... until I ran Valley last night (and, understand, I've run Valley on this PC/GPU combo before with nary a problem.)

But we will see tonight... :\
 
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