Hi
I've had this problem for about a year and a half now, and nothing I seem to do is solving it! I even took it to a specialist and they were clueless about what was HAPPENING.

So my problem is with most 3D games, old or new. After about 10-20 mins of playing the game, it crashes in an unusual way. All the textures in the game are swapped to some random texture, and I get lines and shapes in my screen making it impossible to play. If I stay on the game for another 2 or 3 mins then the entire computer will freeze and the only way to get back is to restart. This has been happening, without fail, ever since I upgraded my motherboard, CPU and graphics card.

When posting on similar forums a number of suggestions have been:

Upgrade my PSU, which I did a number of times, I am now using an EZCool 600W unit.

It couldve also been the temperature problems (which I was really adament it WOULD be), however when I ran NVIDIA monitor while playing games the highest temperature in my GPU was 70 degrees, which I believe to be normal for a game? (I was playing CS Source by the way, which worked fine before the upgrade) Also when I took it to the repair shop the fitted a new CPU so I don't think its anything to do with the thermal paste etc. My Fan set up is also quite good.

I also tried uninstalling my Graphics card drivers and running DriverSweep, then reinstalling properly and this didnt work, although it SEEMED to help at first, but then it just reverted to its old ways. I also have the most up-to-date drivers on my GPU so it's not that. And I'm sure I have enough RAM.

Recently I had the idea that maybe my motherboards on board graphics card could have some sort of conflict with the one I have put in?

My computers specs are:

Windows XP SP2
AMD Athlon 64 X2 Dual
2.00 GB RAM
78.1 GB of free space on my Hard Drive
NVIDIA Geforce 8600 GT
ABIT NF-M2S Motherboard with integrated Nvidia Geforce 6100 graphics.

If any more information is needed I'll gladly get it for you.

Please help, as I have used a lot of TIME and money on this machine, and I'm beginning to despair!
Thanks
NiallThe thing i can think of is amount of RAM or Graphics card RAM. If you have the video settings to high it will do this because ive had the same problem before i turned the graphics settings down and that fixed it. @ 70C you are a bit hot for that CPU...

Source

You may want to consider some extra cooling solutions...
On that board how close is the vid card to the CPU ? ?
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my GPU was 70 degrees