I've been using my EVGA 8800GTS 320MB for almost 2 years now and had no problems with it whatsoever until now. It idles at about 65-70C most of the time, and, of course, gets a little bit hotter under stress. The card froze on me once (sound loop, frozen screen with a thick horizontal line with a bunch of artifacts on it near the upper edge of the screen) like two weeks ago when I was in a game, but I didn't think anything of it, since there was a patch that day, which is what I thought screwed the game up for me. I rebooted the PC, however, continued to play the game that night, and played it pretty much every night (no issues at all) since then until the last friday night, which is when it totally crapped out on me. I played a couple of matches of Quake Live, went afk, came back, and started Aion (it uses the infamous GameGuard anticheat protection), which just finished downloading. When I was in the character creation, the screen started randomly freezing and the textures got all screwed up, at which point I decided to kill the process, and go play another game with a friend in Vent. Not more than 5 minutes into the game, my screen started freezing again and displaying all kinds of weird colors. I alt-tabbed back to Windows at which point a message informing me that nvdisp.dll crashed popped up on my screen. I rebooted, tried running the game again -- same story. OK, maybe it's the game, then(they patched it that day)? No, because other games (tried Quake Live and Drakensang) made the system freeze the same way. I decided to uninstall Aion along with its protection system and cleaned my system, even though I did not install any new software or drivers recently that could have such an impact on my PC. Installed a new DX redistributable package, DriverSweeped the graphic card drivers (182.05), and reinstalled the same set of drivers. Windows wouldn't start after reboot, I had to uninstall the drivers in safe mode, and reboot again... After that reboot all the BIOS fonts got scrambled up, and there were all kinds of dots and lines popping up on the screen when Windows loaded. Since then, each attempt at reinstalling the graphic card drivers (tried a lot of different versions) would result in Windows not booting up. The system would work fine, however, with no drivers installed. The only problem was, there were a lot of red vertical lines forming what looked like 5 very thick lines in 5 places on the screen. Changing resolution would make the PC freeze. Until today... I turned my PC on and the artifacts/vertical lines on the screen were all gone. I've decided to try and reinstall the drivers just now and, to my surprise, everything went just fine. I even played Quake Live for like 15 minutes to see if it'd crash. It didn't. What the hell? There is obviously something wrong with... something in my PC. Is it possible that my 8800GTS is on its way out (and if so why is it working ok now?) or is there something else that might be causing the problem?