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Random video related issues. Bad card or bad driver or bad something else?

post #1 of 2
Thread Starter 
  • OS: Windows 7 64bit
  • CPU: Phenom II 965 (Was OC'd to 3.6Ghz, but back to stock now)
  • Mobo: Asus M97
  • RAM: G.Skill 8GB 1600
  • GPU: XFX GTX460 OC Edition
  • PSU: Antec Earthwatts 750W
  • HDD: WD Velociraptor 500GB


My problems started a few weeks ago when I installed the Raptor drive and reinstalled Windows. Ever since I have been having pretty random issues that all seem to be video related. Sometimes my monitor won't come out of power save mode, forcing a hard reset (Hibernate is disabled). Sometimes after coming out of a game my screen becomes very laggy and my GPU temps take a long time to settle back down to idle. A few days ago I had an issue where my screen would freeze for a couple of seconds about once every 20 seconds or so. I ran a Furmark test and my GPU usage was locked at 1%. I've also had random display driver crashes that recovered. Have absolutely no problems while I'm actually gaming, only while actually trying to get into a game or after I've exited.

What I've tried:

  • Reinstalled video drivers with most up to date (using Driver Sweep in Safe Mode)
  • Cleaned out GPU heatsink and reapplied thermal paste.
  • Manually set the PhysX processor to my GPU instead of auto (this seems to have fixed the driver crashes).


I've run OCCT and Furmark multiple times with no errors or crashes while they are running. Temps look like they are staying in the tolerable range (~40C while idling, 70C while gaming or running OCCT, but it gets to 82C when running Furmark).

Everything except the hard drive was installed at the same time 2 years ago and has worked fine the whole time. I'm pretty much to the point that I'm going to just order a new GPU. I just want to see if there's anything else I can test to make absolutely sure that it's my GPU and not something else as I can't really afford to just throw new parts at it until the problem goes away.

If anyone needs more info, just let me know and I'll post it.
post #2 of 2
Thread Starter 
*bump*

It did it again to me last night. Exited WoW after raid, and GPU usage locked at 1% not matter what I did with screen lockups every 5 seconds or so. Anyone know what could cause this?
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