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Weird graphics glitch and shutdowns

post #1 of 5
Thread Starter 
A mate of mine has been having a glitch in her system for a while now. I thought it was the PSU which I've upgraded to a 750 watt, she's running a Nividia 600 series video card 660 I think? and an AMD 4300.

Nothing is overclocked, I've ever installed 3x 120mm fans to eliminate overheating (stock cooler though).

When playing games the screen will glitch with lines across it, and the mouse cursor will take a snapshot of the area it was in, and that would be the new mouse cursor icon, but it gets a little scrambled, shortly after the machine will turn off, no BSOD just instant powerloss. sometimes It can last hours, sometimes only minutes, but only seems to do it in games.

I've flashed her bios, and updated her video card drivers, all windows updates are installed without errors and chkdsk returned 0 missmatches.

I'm thinking that the video card could be faulty, but I've never known a card to shut a machine down like that before, what do you guys think it could be?
post #2 of 5
Quote:
Originally Posted by Noviets View Post

A mate of mine has been having a glitch in her system for a while now. I thought it was the PSU which I've upgraded to a 750 watt, she's running a Nividia 600 series video card 660 I think? and an AMD 4300.

Nothing is overclocked, I've ever installed 3x 120mm fans to eliminate overheating (stock cooler though).

When playing games the screen will glitch with lines across it, and the mouse cursor will take a snapshot of the area it was in, and that would be the new mouse cursor icon, but it gets a little scrambled, shortly after the machine will turn off, no BSOD just instant powerloss. sometimes It can last hours, sometimes only minutes, but only seems to do it in games.

I've flashed her bios, and updated her video card drivers, all windows updates are installed without errors and chkdsk returned 0 missmatches.

I'm thinking that the video card could be faulty, but I've never known a card to shut a machine down like that before, what do you guys think it could be?

Any piece of hardware can shut down a machine, it just has to hit the right buttons. biggrin.gif

Have you checked the Event Viewer to see if there are any critical errors?

It sounds like game load IS causing the death, but I can't tell for sure if it is the card or the processor that would be keeling over. What are the loads of the CPU/GPU at the time of crash? I ask CPU as well because if the processor is causing issues, nothing will work correctly.

My BEST guess though: The GPU. Lines on screen and visual lagging and a forced hardware shutdown... I would try another card, if you have one available.
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post #3 of 5
I have been having a similar issue. Only in intense games would i get a solid long beep and shutdown if I did not exit out of the game. Seems my issue was my APC battery backup failed and when Comp was drawing power needed for big games would shut itself off. Computer was useless until APC cooled off.
post #4 of 5
Thread Starter 
Thanks for the reply guys, I'll buy another card and see how it goes, question. If I buy the same card, would SLI be alright to use if the faulty card is the secondary one?
Would save me some money that way and I would be able to make use of the second card.

Just wondering if it's a better idea to get an AMD card as it's an AMD rig. I've had alot of issues in the past with NVidia cards in AMD systems. frown.gif
post #5 of 5
Quote:
Originally Posted by Noviets View Post

Thanks for the reply guys, I'll buy another card and see how it goes, question. If I buy the same card, would SLI be alright to use if the faulty card is the secondary one?
Would save me some money that way and I would be able to make use of the second card.

Just wondering if it's a better idea to get an AMD card as it's an AMD rig. I've had alot of issues in the past with NVidia cards in AMD systems. frown.gif

I do have to ask, how many cables are plugged into the 660? Just have to cover my bases. It almost sounds like the card loses power and starts artifacting.

I would say "No" to the SLI question. If the new card works as expected, you can RMA the old one and THEN do SLI. If that card is faulty then it will still cause problems in the system. If the new card has the same issues, the motherboard could be to blame.

What PSU did you upgrade her to?

AMD and Nvidia both have really good offerings, so you can do whatever you like. Just find the budget you want to spend and get the best performance that budget allows whether it be Nvidia or AMD. AMD/AMD are a good combo, but so are AMD/Nvidia and Intel/AMD. The graphics cards shouldn't be having issues like this, regardless of the processor combination.

Honestly, if you have a spare graphics card lying around I would try that first before buying a new card. Though not everyone has access to 5 old GPUs just lying about on a workbench.
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