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Apple Computing Products:
macOS - Desktop Hardware
2011 iMac Graphic Card
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<blockquote data-quote="borgward" data-source="post: 1922991" data-attributes="member: 391065"><p>My bad again. It is indeed a mid 2011 27" Aluminum iMac.</p><p>I do not think the GPU is bad. I booted a Linux Live session from the optical drive and the iMac displays full 2560 X 1440 resolution. I tried other resolutions and they worked as well. I am thinking there is a driver issue and/or Mac OS issue. Thinking about doing system restore which I can boot to using the option key. ny other suggestions? </p><p></p><p>How do I go about reinstalling. That's done over the Internet, right? I can get the rest of the owners info if needed.</p></blockquote><p></p>
[QUOTE="borgward, post: 1922991, member: 391065"] My bad again. It is indeed a mid 2011 27" Aluminum iMac. I do not think the GPU is bad. I booted a Linux Live session from the optical drive and the iMac displays full 2560 X 1440 resolution. I tried other resolutions and they worked as well. I am thinking there is a driver issue and/or Mac OS issue. Thinking about doing system restore which I can boot to using the option key. ny other suggestions? How do I go about reinstalling. That's done over the Internet, right? I can get the rest of the owners info if needed. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
2011 iMac Graphic Card
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