Computer not seeing Radeon 6770

Hello all,

I have recently installed a Radeon 6770 into my HP Pavillion P6000. Unfortunately my computer is unable to read it and boots up with what appears to be no graphics. Here is a picture of my setup for reference:

My PSU is 650W so I don't think it is a power problem. The computer runs and sees my backup card-- a GeForce 7800 GT just fine. Anyone have any idea what is wrong here? My understanding is that my mobo (Pegatron M2N78-LA) wouldn't have any compatibility issues. I have tried installing CCC and manually adding it to device manager without luck. This is also the second Radeon 6770 I have tried, so it is likely not the card.

If anyone has any thoughts on this it would be greatly appreciated. Thanks!
2 answers Last reply
More about computer radeon 6770
  1. Did you hook up the 6 pin power cord?

    Did you install the drivers?

    Did you sweep out all your nvidia drivers first?
  2. Problem Solved. Used driver sweeper to wipe all amd drivers and then reinstalled the card. Then went to device manager and located unidentified hardware and updated the drivers. Thanks for the help.
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