Memory causing automatic shut downs?

I remember reading somewhere that if your computer is set so that it will automatically shut down if it goes over your RAM's threshold, it will do so. My computer on its own will be fine, but as soon as I start playing a game (Diablo 3, Deus Ex: Human Revolution), it'll be totally fine, receive a few frame rate drops, and then shut down entirely.

Since my CPU is hardly working hard, and the rest of my computer is stuck ~40 degrees, I'm assuming it's that RAM problem I was reading about. So how do I stop the auto-shut down function?
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More about memory causing automatic shut downs
  1. if its not the cpu overheating, the next thing that will most likely cause a shut down is due to inadequate psu continuous supply to the rest of the computer.
  2. Actually, could it have something to do with my GPU? When I plug it into my LCD TV (and set it to a resolution high than what is recommended), it'll shut down eventually, but plugging it into my old monitor will make it fine.

    Could it have something to do with the GPU, then, and not the RAM?
  3. I have no clue where you read that, but it doesn't make much sense and I never heard of such a configuration parameter. Check your video card's temperature while using a tool like Furmark. You can also use Prime95 to test the CPU and make sure that it doesn't overheat while being 100% busy for several minutes (or hours for a really good test).
  4. What is usually a safe temperature for GPUs?
  5. 60 on load. 80 is when the card will start to deteriorate quickly over time.
  6. The most likely problem is a hardware issue of:
    1) memory, or
    2) Power Supply

    The very first thing you should do is run Memtest. (run once for a complete pass and later overnight).

    Whether it passes or not, the next stage is to update your BIOS (if needed). When you boot your computer it shows your BIOS version. CPU-Z can also show you the version.

    If RAM and a BIOS update are fine we'll proceed from there.
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