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ATI Radeon 5850 not being detected

Forum Graphic & Displays : Graphics Cards - ATI Radeon 5850 not being detected

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amurdoch   10-08-2009 at 03:49:41 AM

I just purchased a Sapphire 5850. I installed it in my mobos PCI-E x16, but my computer doesn't seem to detect it. It won't post with it as the only VC. All power cords are installed and the fan runs when the system is booted. I used to have an 8800GTX, and the system will work with the 8800 by itself or with the new 5850. When booted with the 8800, I went into the device manager and I didnt see it detected. Furthermore, I tried installing ati drivers and they werent able to find the card either. Even more strange, I was able to get my system completely working once with just the 5850 (got to windows and typed pw, etc). There was no display but i was able to hear windows coming alive.

I have a ASUS p5n32-SLI SE mobo. If anyone has any ideas please let me know

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Bronze Graphics badge EXT64   10-08-2009 at 04:27:43 AM

Did you uninstall ALL (driversweeper, etc) of your NVidia drivers before installing the 5850. You can also try booting in safe mode, as that will use the default MS driver.

------------------------------ Phenom II X4 940 BE 3.0GHz - 1.25V > GA-MA790GP-DS4H > XFX ATI 4850 1GB > 4GB OCZ Platinum 1066MHz 5-5-5-15-2T > PCP&C 610W
Athlon II X2 250 3.0GHz > GA-MA770T-UD3P > Sapphire ATI 4650 512MB DDR3 > 4GB OCZ Platinum 1600MHz@1066MHz > XP/Win7 Enter 64
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