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GPU overheat?

KhavallKhavall British ColumbiaRegistered User regular
edited September 2009 in Help / Advice Forum
So recently I've noticed that on some newer games(specifically Battlestations Pacific and Batman: AA), after a while playing(Anywhere from 30 minutes to an hour or so), my GPU not only crashes and the screen goes to black, but with Batman and sometimes in Battlestations Pacific it crashes the computer.

My first thought is that it's just that the GPU is getting older and the games are stretching it thin(It's an 8800GT... not horribly outdated, but not right off the line either), but when I first built the computer I put the CPU fan on wrong and it ran a little hot for the first few days 'till I noticed the problem and fixed it, and recently my PSU blew, and when I put in a new one everything seemed to work but I still keep those in mind as reasons why the computer goes awry.

Would a new GPU fix this, or is this going to be a bigger problem that I have to save up and replace more parts to fix?

Khavall on

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  • BlindZenDriverBlindZenDriver Registered User regular
    edited September 2009
    Overheating is not a bad guess but it does not sound like your system is damaged as such. I see two likely explanations.

    A: Dust. Over time dust will be collected on cooling fins, vent holes and so on. If you have not cleaned the computer for dust it could be the GPU cooling is working less efficient due to dust and if so a good cleaning job will do the trick. Best way is to use compressed air, photo and electronics stores have spray cans with air, but you can come a long way with careful use of your lungs and a vacuum.

    B. The new PSU perhaps run at a higher temperature or cools itself more efficiently so it's fan sucks less air through. Meaning the temperature inside you case is higher again meaning everything gets a bit warmer and that could perhaps put you GPU over the top. An auxiliary fan should do the trick plus also make sure the PSU is sucking air out of the case not blowing ho air in (In have once seen a PSU which was assembled wrong like that).

    C. It is not really the GPU but perhaps the CPU. the memory or something in the motherboard overheating. Make sure everything is clean.

    For testing you could try and run your PC without the lid on. It should mean cooler air to the GPU and most things else. Depending on how your system is build it may however also mean something is cooled less than usual so be careful. For example in my computer the hard drives are right in front of some air vents which means air is sucked past them with the lid on. But without a lid they get hotter as the fans blowing out air sit in the opposite corner of my case and without the lid those fans just get local air.

    BlindZenDriver on
    Bones heal, glory is forever.
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