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PC works for short time, then displays "DVI No Signal"


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#1 MSaintJohn

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Posted 28 January 2015 - 11:28 PM

Hello all, just built a new rig and it seems to have a hiccup that is a little over my head.

 

The PC will start-up and run normally for a little while (up to 10 minutes), until the monitor cuts to black and displays "DVI no signal", which will last until the computer is restarted. 

Despite the display giving out, the computer seems to keep running apps (assumed by checking a large download's progress before signal loss and then after a later restart).

 

So far I have tried many restarts, uninstalling/reinstalling the drivers/OS, disconnecting extra components (second GPU and second RAM chip), using different displays connected to different GPU ports, disabling the integrated graphics and asking it really politely to work, all with no result.

 

I'll try my best to answer any questions quickly, and I really appreciate any help you all can give.

 

System Specs

CPU - Intel I7-4790K

MOBO - EVGA Z97 Classified

RAM - Corsair Dominator Platinum (2 x 8GB)

GPU - EVGA GTX 780 Ti (2, w/ SLI)

PSU - Corsair AX1200i

SSD - Samsung 840 EVO 1TB

OS - Windows 8.1 64-bit

Case - NZXT Phantom 820

 

Build with XSPC water-cooling components 

 



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#2 Kilroy

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Posted 29 January 2015 - 06:45 AM

Sounds like the video card is possibly over heating.  If it is part of the water cooling loop I'd check the cooling block on it.



#3 MSaintJohn

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Posted 30 January 2015 - 06:03 PM

Just finished checking on it, and it turns out the cooling block wasn't fully touching the gpu.

 

Took off a few spacers that came with, reapplied thermal paste, and it's been working since.

 

Thanks for your help!






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