Imac 27" 2009 graphics card replacement Tags: Radeon Graphics Cards iMac Graphics Last response: July 14, 2011 2:56 AM in Graphics & Displays Share StanSmithl July 14, 2011 12:24:36 AM Hello, I've got a iMac 27" late 2009 and I want to replace my Radeon HD 4850M 512MB withe newest 6970M 2GB board. Has anyone tried this? More about : imac 2009 graphics card replacement COLGeek a c 228 U Graphics card July 14, 2011 2:56:42 AM Unless the new video card is "Mac compatible" it will not work. Sorry. You can't stuff a PC GPU into a Mac. There are firmware (software and sometimes hardware) that are the root of this problem. Can't find your answer ? Ask ! Publish Related resources Upgrade video card Imac 27''late 2009 Forum Early 2009 iMac processor/graphics card upgrade help?! Forum ATI Radeon HD 4670 - 2576MB (IMAC 27" (2009) Forum SolvedWill I be able to run GTA IV/SA with the latest imac 2.7 GHZ I5 intel iris pro graphics and how much fps will I be getting? Forum Would a MSI N650-2GD5/OC - GF-GTX650 2GB grafics card work on a Imac early 2009 Forum iMac 27: i7 or 780M for graphic design/video editing Forum SolvedI'm planning to get a iMac 21.5 inch that runs this graphics card NVIDIA GeForce GT 750M with 1GB video memory but I don't kno Forum 27 imac (mid 2010) ati radeon hd 5750 1gb gddr5 (pci express) video card in uk Forum 2009 DuoCore graphics card update for Microsoft Flight Simulator X Forum SolvedReplacement graphics card not working (R9 270) Forum SolvedReplacement Graphics Card For a HP DC7800 Convertible Minitower Forum SolvedNeed a graphics card for a Dell 30" and 27" ultrasharps Forum SolvedDoes 27" 1920X1080 Monitor needs strong Graphics card than 23" 1920X1080 Monitor? Forum SolvedLooking for a budget Graphics card (Saphhire 7750 replacement) Forum SolvedGraphics card replacement Forum SolvedGraphics card replacement need help Forum SolvedGraphics Card Is Not Being Detected after Hard disk Replacement Forum SolvedLooking for a replacement radeon hd 4850 graphics card for a dell studio xps 435mt Forum Solvedinstalling graphic card and ram for my pentim dual core e5400 2.7 ghz Forum SolvedReplacement Graphics Card Forum More resources Read discussions in other Graphics & Displays categories Ati GPUs Graphics Cards Gtx HD Monitors SLI Crossfire Tuner Cards Radeon Video Diamond Multimedia Matrox Nvidia Palit PowerColor Asus Games !