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OS X - Operating System General OS operation information and support

Mirroring Freezing Display


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Irish_2417

 
Member Since: Apr 29, 2010
Posts: 12
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Hello everyone,

I am running OSX 10.8.2 and recently encountered a problem when mirroring my screen. When I mirror, the screen freezes and I cannot access anything with my mouse. The mouse works, I can move it around but I cannot click on anything. Folders, background, windows, etc (whatever was showing upon mirroring) becomes a still "image" and nothing can be clicked.

I have tried:
-Multiple restarts
-Multiple monitors (VGA and DVI)
-Opening all frequently used apps, closing them, restarting, etc.
-Booting from an external HD with OSX installed (works)

For the life of me, I cannot figure it out... My guess is it is software related or possibly browser related but I cannot seem to fix it.
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pigoo3

 
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Mac Specs: 13" MB 2.4ghz, 2gig ram, OS 10.7.5

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Please...no need to cross post...threads merged.

Also...it may help if you let us know what Macintosh model you have. I'm guessing a laptop of some sort...but I could be wrong.

Thanks,

- Nick

- Too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some slow computer tips: Speedup
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Irish_2417

 
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Oh sorry! It is a 2011 Quad i7 2.2 GHz, 15" Macbook Pro.
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Irish_2417

 
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Anyone have a similar problem?
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vamtl

 
Member Since: Apr 03, 2013
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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.
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