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Dual screens using two iMacs - one ML, one SL

67 Views 1 Reply Latest reply: Feb 25, 2013 7:12 PM by HandSurgery RSS
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Feb 20, 2013 6:56 PM

Searched to no avail, so...

 

I happen to have an extra iMac (21.5) and thought it would look nice as a second monitor for my 27" iMac... The 27 is ML and the 21.5 is SL.

 

When I plug the mini display cable in, the 27" is always the "slave" to the 21.5.  Regardless of which is plugged in first.  The 27" never "sees" the 21.5 as a potential second monitor per the display preferences tab.

 

Any thoughts?

iMac, OS X Mountain Lion (10.8.2)

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