GTX 465 and GTX 650 SC issues with P7P55D Pro Core i5 750

Inseinos

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Don't know if this is related to my graphics card. For years I thought my games and occassionally windows itself would crash due to my GTX 465. I was forced to play my games on my XP Pro 64bit install because at least there when the colors and textures got all screwed up I could jump to the taskbar and then right back into the game without needing to restart. Win 7 made that impossible.

Finally got myself a GTX 650 SC. Figured it would solve those problems. Well, looks like its just as it was if not worse. First game I tried was Mass Effect 3. I did however play that on my XP install but it ran flawlessly. Crashed maybe twice the whole way through which is hardly worth mentioning. Decided to play Assassin's Creed afterwards (which I've played all the way through before with my GTX 465) but this time I installed it on my win 7 install. Crashes every 5 minutes. Did an XP install, same deal except with the funky colours and textures. And even then after enough time goes by, it locks up totally where even ctrl-esc does nothing.

There are times as well when just working in windows (both xp and win 7) the screen will go black and come right back on with a little message in the bottom right saying my nVidia drivers stopped responding and were restarted. That's a little more rare but its what lead me to believe my GTX 465 was the culprit all this time. Since its happening with my GTX 650 SC, I'm thinking otherwise.

I updated my mobo bios for the first time since I put this machine together. Seems now everything is running worse than ever. The crashes are so frequent that it makes playing any games pointless. Any help in diagnosing this stuff would be appreciated.

Core i5 750 @ 2.66 ghz
OCZ 3g1333lv8gk pc3 10666 4 gb x 2 @1.65v
p7p55d pro mobo
gtx 650 sc
(previous gtx 465)
 

Inseinos

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Forgot about that. Its a Corsair TX 750W supply. I have 5 cooling fans running (not including the CPU fan) and 3 hard drives.

 

atomicWAR

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hmmmm save a defective one (psu) yeah your right it should be no issue...you reseat all the cards and sli bridge? did you do a clean install of drivers in safe mode ensuring to check delete driver box...you cleaned your system with canned air (this just worked on another rig to my surprise earlier today after i tried everything else for the poor guy)...lastly how about the dreaded reinstall of windows?
 

Inseinos

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Not sure how to reset the card and the sli bridge. Originally with the GTX 465 I did a clean install, at least I thought I did. Never did it in safe mode. But then again when I put this machine together it was the only video card I had ever installed for it. And yeah, I've reformatted and done clean installs of both windows numerous times with the GTX 465 setup. Never done it with my new card. Just seems odd that the problems are exactly the same. I clean my machine pretty regularly of dust. Has a bit now but I doubt its what is causing the issues. It was cleaned when I first put it in the GTX 650 and same crap, other than the fact that I went through Mass Effect with few issues. Actually the funky colours and textures would happen occassionally with ME 3 but never crashed even once. Assassin's Creed is a whole other problem. I'm downloading EVGA's utlities right now. See if I can monitor voltages and do a stress test. I guess I could just pick up another power supply. These days I wouldn't be surprised things can be defective. I've had ram go on me and hard drives well before their time. Not like the good old days. I still have a P4 I built 12 years ago that's running perfectly. Only thing I ever replaced on it was the graphics card because the fan on my old Radeon burned out and fell off the card. I tried putting on a different fan because the one for mine wasn't available and it burned out the voltage supply terminals. Too many amps maybe. Dunno. Not worth fixing. Found a cheap AGP card and its been running fine ever since. Still use it to this day.

 

atomicWAR

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do the safe mode clean driver install....i highly encourage it...this has fixed countless isues of my own.

boot into safe mode hitting f8 prior to windows splash screen. then go to computer in start menu, right click it and choose properties....the window that pops up in the upper left corner will have device manager. go to your display adapters and choose to uninstall your graphics card and click delete driver button (or its not a clean install)...reinstall drivers then reboot.
 

Inseinos

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I tried the safe mode approach. I uninstall the drivers but trying to reinstall them it tells me that it cannot detect the right hardware and the installation will not continue. It does however work when I get out of safe mode and back into regular xp. Now its worse than ever. I can't get past the video intro of Assassin's Creed. As soon as it starts it crashes. Only once did I get lucky that it played it and I was able to start the game, only to run into the same problems as before. This is nVidia's most up to date driver for the card.
 

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