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Did you swap the video card? The 2009 iMac didn't come with a Radeon 5850.
by Klinky 11y ago
Did you swap the video card? The 2009 iMac didn't come with a Radeon 5850.
- thrownaway2424 11y agoIndeed. After 5 years the original GPU developed some kind of intermittent flaw so I swapped it out with the board (and cooler) from a mid-2010 iMac. It's an easy swap. Mac OS X identifies it as a Radeon 5750 but Windows calls it a 5850. Either way, I believe it's very similar in performance to the original 4850 that was the top spec in the late-2009 iMac.