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Was running a 9800gtx and a friend brought over a radeon 4870. Popped in the new video card, didnt notice much of a difference so i gave it back to him(so i wouldnt have to give him money for it) and threw back in the 9800gtx. Now my computer will randomly shut down for no reason. Ive tried re seating the video card along with everything else like the ram, sound card etc etc. All the drivers are installed correctly. It only seems to shutdown when im doing something graphically intensive like playing a video game or something. I cant for the life of me figure out what went wrong.
Yeah, it sounds like it is overheating. Check the fan and also check to see if a heat sink may have came loose. There are various free apps for checking/monitoring temps and fan speeds which you can find at the download sites and by googling if you are interested in checking them.
I had that problem and it was the fan. It only shut down when we were playing games.
How did you fix your problem? I have had this problem before and found that a cord was getting into the fan. I duct taped it so it would be out of the way and it fixed the problem. This time its not the cord, as its still pretty well duct taped out of the way.
I dont think its my power supply. I have a 750w asus power supply which is more than enough for what my computer is packing.
This needs it's own external power? Plugged in and you tried reseating the power?
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I have a 750w asus power supply which is more than enough for what my computer is packing
My experience has been they begin to fail over time and can't put out the rated power. Last comp I had came with 500w supply and after about 3 or 4 years I'd get the graphics card itself complaining about not enough power and it would go into a low power mode. Had to replace the PS, actually with a 400w unit and I had no issues after that.
You are looking for the system event log. I think there is usually something like "critical temperature", assuming it had time to write the event before the shut down.
Look at the events on or around the time it crashed and hopefully they will help explain what is going on.
I addition to what has been suggested so far, you might also want to review the power related settings in BIOS. Then as suggested by someone else, run a Windows based temperature reading software. Even NVidia has a free utility that would display the GPU temperature as well.
Using a flash light or spot light also check the capacitors on the motherboard as well.
For troubleshooting purposes, I would also suggest leaving the side panel off so you can see if any of the fan stop, etc.
Were you grounded before touching the computer? You may have static electrified the mobo.
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