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chscag

 
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Member Since: Jan 23, 2008
Location: Fort Worth, Texas
Posts: 38,427
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, OS X Mavericks

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Quote:
Did you install the regular ATI driver for the 4850, or the Radeon Mobility 4850 driver. The iMac requires the Mobility driver as it uses the 4850 chipset used in laptops. Installing the Mobility series driver should fix the graphics issues.
I have to wonder why Apple hasn't officially addressed this by a patch or update to Boot Camp? I've seen you help several folks with this and I also have helped folks - all with the same problem, the wrong driver is installed.

Anyway, I wanted to say a heads up to you for discovering it. Good work.

Regards.
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