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Apple Computing Products:
macOS - Operating System
Mirroring Freezing Display
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<blockquote data-quote="vamtl" data-source="post: 1507573" data-attributes="member: 299483"><p>exact same problem here with all of out 8 mac pro updated to 10.8.2, I tried NVIDIA 5770 and 5870 and got the same result, the only way i can get back the extended display to work without mirror display enable, is to make a PRAM reboot with only one display connected, then if i connect a second display and enable mirror display, the mouse is moving but everything is frozen until i disconect the second display. </p><p> </p><p></p><p>if i downgrade to OS 10.7 then everything is working fine.</p></blockquote><p></p>
[QUOTE="vamtl, post: 1507573, member: 299483"] exact same problem here with all of out 8 mac pro updated to 10.8.2, I tried NVIDIA 5770 and 5870 and got the same result, the only way i can get back the extended display to work without mirror display enable, is to make a PRAM reboot with only one display connected, then if i connect a second display and enable mirror display, the mouse is moving but everything is frozen until i disconect the second display. if i downgrade to OS 10.7 then everything is working fine. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Mirroring Freezing Display
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