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Nvidia drivers aren't working with my nvidia graphics card.

I have a GeForce GT 640 Card and I was having trouble with some of my usb ports not recognizing devices so I went to uninstall some of the drivers. Mistakenly I uninstalled the video driver as well. After reinstalling the latest drivers for nvidia i noticed that after the restart the display wasn't filling out my 1080p monitor. So I just did a clean install of windows 7 and installed all the latest drivers and it was working until I did a restart and then the drivers uninstalled themselves again. I also went in to Device manager and noticed that the code 43 was in effect. "Windows has stopped this device because it has reported problems"

Here are my specs:
Motherboard - ASRock 960GM-VGS3 FX AM3+
Processor - AMD Phenom II 3.2 GHZ Quad-Core
Hard Drive - 250GB 7200 RPM SATA Hard Drive

Any help would be much appreciated!
6 answers Last reply Best Answer
More about nvidia drivers working nvidia graphics card
  1. Try resetting bios - either in bios or by removing battery then putting it back
  2. Anyone around to help?
  3. i7Baby said:
    Try resetting bios - either in bios or by removing battery then putting it back


    I tried doing both just now, reset bios settings and removed the battery. No such luck.

    Could it be that the video card just died even though it was working not a day or so ago?
  4. a non-reference GPU's drivers should be downloaded from the manufacturer's website
  5. Bump, Sorry I'd like to try and solve this issue so I know whether I have to get a new video card or not.
  6. Best answer
    Use Geforce Experience or go to the Geforce website for drivers.

    Run Checkdisk on your hdd

    Run anti- virus on your hdd
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