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New GPU, losing display on monitor...

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#1 Ryoku


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Posted 06 March 2013 - 08:44 AM

First off, an overall description of the base problem: Upon running my computer with certain video cards/GPUs, my monitor no longer displays any picture after around 5 minutes typically.




Okay, so I originally have an ATI Radeon 6900 series GPU and it worked perfectly fine for quite a long time. I then got a new monitor, a 27 inch LG monitor (not sure the exact model, can get if anyone thinks it'll help) and the card still worked perfectly fine with it for about 2 weeks. Suddenly while using my computer, the issue happened the first time, the screen just went black. I thought something might have overheated or something. After some more troubleshooting and having it happen a few more times, I realized that audio still plays from my computer while the screen is black and I can still press buttons to perform actions during games and such. As such, I'm saying it's simply me losing output to the monitor or something of the sort.


I then tried my old ATI 5700 series GPU which worked just fine with zero issues. I figured that my 6900 series GPU must have have died in some way and wanted to upgrade a little anyways, so I ordered a NVIDIA GTX 670. I received it, then proceeded to install it and all, only to end up having the same no-monitor-display-after-short-time issue again. I again put my 5700 series back in and things worked fine.


My power supply should be well enough (Antec EarthWatts 650), but it's all I can figure to be the issue...


Wanted to see what other people's opinions/thoughts were before I went and ordered a new power supply though. Can supply exact GPU models and such if needed. 


Other specs: AMD FX 8320 8 core 3.5GHz, 8GB RAM




Thanks for any help!

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#2 dc3


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Posted 06 March 2013 - 09:46 AM

Have you tried the old monitor to see if the problem persists with it?


Have you checked the connections at the monitor and the computer?


Is the slot in which the GPUs are being install close enough to another card to restrict air flow?


Do you know what the GPU temperature is when this problem occurs?

Edited by dc3, 06 March 2013 - 09:48 AM.

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