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Apple Computing Products:
macOS - Operating System
Mirror Displays Help
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<blockquote data-quote="chscag" data-source="post: 1437505" data-attributes="member: 46727"><p>Whenever you select "Mirror Display" on the iMac, the resolution of the external display will default to the resolution of the iMac. That resolution is 1920 x 1080. And, if that's not the native resolution of the external display, distortion and or an out of focus picture may be the result.</p><p></p><p>By the way, using a MDP to VGA is not the best since it's an analog connection. Always go with a digital connection if possible. That would be MDP to DVI or HDMI.</p><p></p><p>A better purchase for the teachers probably would have been the MacBook Pro which can be operated in clam shell mode. That allows the native resolution of the external display to be used.</p></blockquote><p></p>
[QUOTE="chscag, post: 1437505, member: 46727"] Whenever you select "Mirror Display" on the iMac, the resolution of the external display will default to the resolution of the iMac. That resolution is 1920 x 1080. And, if that's not the native resolution of the external display, distortion and or an out of focus picture may be the result. By the way, using a MDP to VGA is not the best since it's an analog connection. Always go with a digital connection if possible. That would be MDP to DVI or HDMI. A better purchase for the teachers probably would have been the MacBook Pro which can be operated in clam shell mode. That allows the native resolution of the external display to be used. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Mirror Displays Help
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