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ati radeon 5750

  1. A

    iMac 27 Mid 2010 - replaced Radeon 5750 boot screen problems

    Hello everybody, after my Radeon hd 5750 stopped working i bought a used one on ebay and installed it in my mac. The card works perfectly, but when I start the mac while holding the ALT key, the startup options appear but the mouse jerks and if I click on one of the modes nothing happens. To...
  2. Z

    tuning up my ATI graphics card

    Hi, i want to make my graphics card (ATI Radeon HD 5750 1024 MB) run faster because im feeling its kinda getting slow in refreshing the screen either in photoshop or illustrator. I certainly have seen difference in speed when compared to a 2012 27" iMac. Has anyone ever tuned his card? Please...