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Gpu' s driver not installing, not detected in device manager

Tags:
  • Device Manager
  • Graphics
  • Display
  • GPUs
Last response: in Graphics & Displays
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October 8, 2014 4:28:19 AM

MB: gigabyte 78lmt usb3
Ram: 2gb
Gpu- Sapphire HD 7770
With corsair vs550W

Problems-
1. If I plug display with gpu.... Well no luck!! Show some seconds of booting,,, thn pixels flicker n blacks screen some times
2.MB VGA port doing FINE
3. Only MB's ati 3000 graphics showing....... In device manager. HD 7770 not detected in device manager.
4 Almost checked 7 versions of driver (old to latest) with 4 times installing fresh Windows.
5. When finish installing driver.... Msg shows"install Complete (warning occurred) "

Pls tell me what to do....



First off all I'm trying to install drivers when display is connected to MB vga port... Cz I'm not getting display from card till Windows loaded!!
Although fans an all are working

More about : gpu driver installing detected device manager

October 8, 2014 4:46:49 AM

Sounds like the video card is dead, or the bios isn't set to default to the PCIe.
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October 8, 2014 7:57:24 AM

If there is a problem in the gpu it should not work at all!!

Bt it's giving display.. Bt not properly....!! Although there is some scratches on the connector pins
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