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EVGA Nvidia GTX 660Ti Card Freezing and Crashing

I upgrade my GPU to Evga gtx 660ti sc 2gb. But i am facing problem with my new card.
Whenever I open a graphics application pc freez and screen goes black and give me Nvidia drivers error. Something Pc freez and i have to reset my pc.

This card is installed in Pcie x16 3.0 slot. But when i installed this card in Pcie x8 2,0 slot its working fine. I have done stress test and its ok. But my question is why its not working in my Pcie x16 3.0 slot? Is their any setting in bios?

And yes i have used my old Inno3d gtx660 card a week ago in Pcie x16 3.0 slot and that was working means my mobo Pcie x16 3.0 slot in fine.

Things i have done already to fix this problem with my evga gtx 660ti sc.
1. Update Mobo Latest bios.
2. Fresh Windows 7 64bit Installation.
3. Install latest Nvidia Drivers.
4. Checked my PSU voltage. its 100% stable.
5. GPU and CPU not overheated.

My system Spec:
CPU: Corei7 3770k
Mobo: Gigabyte z77x ud5h
Ram: 8gb Corsair Vengeance
Psu: Corsair GS800

What can I do to fix this? Is the card faulty? Is their any setting in bios. Any help for this problem would be greatly appreciated.

Thanks.
4 answers Last reply Best Answer
More about evga nvidia gtx 660ti card freezing crashing
  1. Follow this guide and tell if it makes any difference:
    https://forums.geforce.com/default/topic/358947/how-to-correctly-remove-graphics-card-drivers-/
    And do fresh install of your new gpu drivers
  2. brarboy said:
    Follow this guide and tell if it makes any difference:
    https://forums.geforce.com/default/topic/358947/how-to-correctly-remove-graphics-card-drivers-/
    And do fresh install of your new gpu drivers


    I already Install a fresh copy of windows and Install latest Nvidia Drivers.but same problem.
  3. try re-flashing your gpu bios to latest version, see if that changes anything.

    This is stock bios i think: http://www.techpowerup.com/vgabios/127228/evga-gtx660-2048-120905.html
  4. Best answer
    Updating your Motherboard BIOS may be something you need to do.

    Your sure you have all the power connectors properly install on the VGA card, I like to use power connector from different legs.
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