Help: Win7 won't boot after Nvidia drivers installation

Hey there,

I just put together a new system, and after 4 days of running perfectly fine my rig crashes on me while playing Counter Strike: Source, and upon reboot my system won't load past the Windows logo and reboots the start up. I reinstalled my OS, which ran fine after installing my motherboard drivers, but after installing the drivers again off the site it crashed again. I booted up in safemode and restored to before I had installed my drivers and tried the ones from the disc instead, but even those caused it to crash. Anyone know how to fix this problem?

Thanks in advance

System Specs:
x2 EVGA GeForce 660ti 2GB GPU
AMD FX-8320 CPU
Seagate 1TB
Gigabyte GA-970A-D3 AM3+ motherboard
8GB RAM G.Skill Sniper Series
Rosewill Bronze 1000W power supply
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More about help win7 boot nvidia drivers installation
  1. Well, its hard to tell you, but SLi isnt supported by your motherboard. Try plugging 1 card out and it should work fine.
  2. Already tried that, no change. My cards worked
    flawlessly for days until CS:S crashed it

    Other sites say to install the graphics drivers before the motherboard drivers and to leave the Nvidia audio drivers out of the installation. Second opinion on this?
  3. stlucifer said:
    Already tried that, no change. My cards worked
    flawlessly for days until CS:S crashed it

    Other sites say to install the graphics drivers before the motherboard drivers and to leave the Nvidia audio drivers out of the installation. Second opinion on this?


    Well I know for a fact on the gigabyte website it says it doesnt support SLI but supports crossfire. Try doing a fresh install of windows, and having just 1 card in and see if that works.
  4. Did you try booting with each card separately? Do you have another graphics card that you could test? Could you explain in detail what happens during said "crash"?
  5. Sunius said:
    Did you try booting with each card separately? Do you have another graphics card that you could test? Could you explain in detail what happens during said "crash"?

    I have only tried the one of two 660's, I do have a 9500 GT from my old system that I could try and plug in

    Just before it crashed, I was playing a match on Counter Strike Source (which is an older game so I don't know why it had problems), I clicked my mouse to change spectator position and the game froze up on me. I waited for a bit for it to respond and then tried manually terminating the process (CTRL+ALT+DEL, ALT+Tab, the works), nothing worked so I turned off my computer manually. Upon reboot my computer wouldn't load past the Windows icon before rerunning the bootup process
  6. stlucifer said:
    I have only tried the one of two 660's, I do have a 9500 GT from my old system that I could try and plug in

    Just before it crashed, I was playing a match on Counter Strike Source (which is an older game so I don't know why it had problems), I clicked my mouse to change spectator position and the game froze up on me. I waited for a bit for it to respond and then tried manually terminating the process (CTRL+ALT+DEL, ALT+Tab, the works), nothing worked so I turned off my computer manually. Upon reboot my computer wouldn't load past the Windows icon before rerunning the bootup process


    It wouldnt crash because of source, the source engine is CPU intensive and doesnt use much GPU.
  7. Try the second GTX 660 ti and your old card.
  8. Hey guys,

    I have an almost identical problem with my GTX760 (Gigabyte). There are literally thousands of people with the EXACT same problem, just labeled differently. To me, if it's not a broken card, it's most likely a TDR problem, and the cause of that problem is hard to isolate. (but I am far from knowledgeable on this kind of stuff)

    The only way I have gotten it to work is by installing the 322.21 NVIDIA drivers AND increasing the TDR delay time to 8 seconds. Even then, this solution works for about a month, then my drivers start crashing again and I have to spend a day or so repeatedly reinstalling drivers until the computer runs again. I have tried literally every version of the drivers and only 322.21 works for me. I also found not included the HD sound drivers in the installation helped sometimes, but other times it didn't. My last crash occurred after playing BF4 for a few hours, then having an hour break and playing CS:GO. Again this is most likely a coincidence, but last crash I had was a few months ago, after I had been playing BF4 for a while. (In between these two crashes I had not played BF4, because it sucks)

    I've contacted both Gigabyte and NVIDIA support, NVIDIA says its Gigabytes fault and all they really said was to replace the card, Gigabyte says it's NVIDIA's fault and to contact them.

    I have tried every suggestion I have found online and the only things that have worked are those I mentioned above. There are some other possible sources of the problem which I have read online. (Note these are not my suggestions, I don't know if they're even relevant but when you're trying to fix your computer it's worth a shot).

    Some people have said Daemon tools can cause TDR problems. Transparently there is some malware going around which can also cause TDR issues. I have uninstalled Daemon tools, but my computer was already stable when I did, so I can't say if it made a difference.

    I have seen someone say it was because they overloaded their power adapter. They solved their problem by plugging the computer straight into the wall.
    It's probably not true in my case, but I noticed a bit of freezing if I overloaded my adapter. I didn't properly test this, I just accidentally had a whole lot of things on at once and notice the computer was frozen on startup.

    Some people have replaced their cards to find they still have the problem.

    Many people have reformatted there computers and had no improvement.

    There are a bunch of TDR fixes, the important one is TdrDelay, Microsoft has released a quick 'fix' which sets this delay to 8 seconds. You can find this fix online, or just add the registry entry yourself, there's a bunch of guides on youtube for it.

    To check if it is the drivers:
    Boot in safe mode, go into event viewer and then search through the logs right before the crash. You may see some critical errors from the NVIDIA dlls, and some system errors saying they're trying to reboot the device. That being said, I have only really seen these errors when I have actually made it to desktop, OR:

    Boot in safe mode
    uninstall drivers using DDU.
    Reboot normally. Your system should run fine.

    Install NVIDIA drivers now a few things can happen:
    Crash right after the display drivers are installed.
    Constant freezing after the display drivers are installed.
    Constant freezing towards the end of the installation.
    Runs fine after installation but after rebooting you get freezing/crashing.
    Runs fine after installation but after attempting to play a game you get freezing/crashing.

    In any of these cases you should see driver crash logs in the windows event viewer. In this case increasing the TdrDelay might solve your problem.

    Where I am at right now, before I get the card replaced, I'm going to buy a second hard drive (was gonna get one anyway) and install a fresh copy of windows on it, one by one install my drivers (NVIDIA last) and see if it breaks. If it doesn't, then I guess it was a software issue.

    Note:
    Most of the information I have seen about these issues have been from NVIDIA/Steam forums. There have been some good threads on other gaming forums, but in most cases their solutions are the TdrDelay fix.

    Hope this helps at least a little,

    Thanks.
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