All games crash after a short period of gameplay

Sounds realllllllllly obvious, but what temp is the card when it's crashing? Is it a freeze up or just instant crash to desktop?
Temps are fine mate, nothing to worry about. 60 ish. The Twin Frozr III cooler is overkill for a 660 really, but it does keep it nice and cool.
have you tried disabling your anti virus? sometimes the simplest of solutions work :)
Thanks, will give it a shot, but I haven't changed my antivirus or anything like that.
Try without the ram you just installed.
Will do after testing with a reset OC in a mo. :)
 
Tried totally stock clocks, crashed after just under an hour. :(

I'll leave it on stock clocks until ive found the problem I suppose, no big deal, but i'll try taking that RAM out tomorrow, then i'll try with my 570 DCuII.
 
Have you tried clocks lower than stock?

No, nor do I intend on trying clocks lower than stock just yet. I don't think its the CPU. It did it with my stable 4.7GHz overclock, it did it with my stable 4.6GHz overclock (using the same voltage as 4.6 just to ensure it was absolutely stable), and it's doing the same thing at stock clocks with auto voltages.

I recon it is either RAM, GPU or software. Hoping its software or RAM, but its likely to be the GPU.

Disabled all A/V shields, still happened.
 
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No, nor do I intend on trying clocks lower than stock just yet. I don't think its the CPU. It did it with my stable 4.7GHz overclock, it did it with my stable 4.6GHz overclock (using the same voltage as 4.6 just to ensure it was absolutely stable), and it's doing the same thing at stock clocks with auto voltages.

I recon it is either RAM, GPU or software. Hoping its software or RAM, but its likely to be the GPU.

Disabled all A/V shields, still happened.

Once again, i meant the GPU
 
Once again, i meant the GPU

Ah sorry WuMyster, I haven't yet, but I did try stock clocks with the power limit set to 110% instead of 100% incase it had become more power hungry, and it didn't change anything. If the system works fine with a different NVIDIA GPU installed, and the game crash codes are giving me video hardware errors, then in my eyes that's enough to warrant a GPU RMA. Thats what i'm going to test next, I have removed the additional RAM now, and i'm going to try it with my original 8GB.

Hopefuly I won't complete the game before ive finished testing, it will ruin it a tad :p
 
sounds like overheating

It is definitely not overheating.

CPU and GPU both stay at around 60 - 65 while stress testing and sit lower than that while gaming. RAM, board, drives etc all have loads of airflow over them.
 
Still does it with the new RAM removed. Going to swap out the GPU now and give it another try. I could do drivers first but *shrug*
 
OK so after swapping the 660 out for the 570 everything is fine, been gaming for over 2 hours without a hitch. I'm using the same driver version as with the 660 (just the release for 500 series instead of 600 series).

All 16GB of RAM is in, the CPU overclock is applied, antivirus is online, only change is the GPU.

I suppose i'll open up an RMA thingemy.
 
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