mac with pc graphics card problems

Discussion in 'Mac Pro' started by damn123, Feb 5, 2016.

  1. damn123 macrumors newbie

    Feb 5, 2016
    hello every one i'm in need of some help with my friends mac she got a new AMD graphics card for her mac she is running 10.7.5 she has flashed the card to work for mac and it was working fine for a while but now its showing signs of artifacting and its not showing full use of the card i tryed it on my pc and the card runs fine any ideas would be much helpful thanks.
  2. howiest macrumors 6502


    Aug 16, 2015
    Left Coast
    Which card, and which Mac Pro?

    If it's a Radeon R9, she will need to install new drivers because her OS is older than 10.8.3.
  3. damn123 thread starter macrumors newbie

    Feb 5, 2016
    It's a Radeon 5770 and its a mac pro 1,1 2007and thanks for help
  4. cw48494 macrumors regular


    Jun 17, 2015
    Try to push the clock speeds down a little bit and see if the problem persists.
  5. damn123 thread starter macrumors newbie

    Feb 5, 2016
    thanks ill give it a shot ...tho she is not getting full clock speeds as it is here is what it shows in the attachment thanks for any help

    Attached Files:

    • mac.jpg
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