iMac Mid 2011 GPU acceleration problem after installing Catalina dosdude1 Patcher 2020 | MacRumors Forums
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Amazon.com: Genuine Graphics Video Card for Apple iMac Late 2009 A1311 Core 2 Duo 3.06 21.5 Inch Desktop PC MB950LL/A MB950, AMD ATI Radeon HD 4670 GDDR3 256MB, MXM VGA Board GPU
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