1 of 2 27" cine disp Working

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Mac Pro 2006-2008 (First Generation)

The Mac Pro First Generation is an Intel Xeon-based workstation computer manufactured by Apple Inc. The first generation model includes the machines from 2006 through 2008.

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mattchevalier @mattchevalier

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Posted: Nov 1, 2014

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1 of 2 27" cine disp Working

Mac Pro 2,1 w/ ati 5870 and 10.7.5

I have two 27" cinema displays, but only one will work at a time.

Any idea beyond all the usual stuff?

Answer this question I have this problem too

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2 Comments:

What does or does it not do? What have you checked? what do you consider the usual stuff?

Nov 1, 2014 by oldturkey03

Help us help you. The more complete the description of your problem is (some history of what's happening when it started happening, why you think it may be happening, what OS you're using -there's a lot of those, a full compete description, the text or screen shot of any error messages) the more assistance we can provide, and, the sooner we can provide it..

Nov 2, 2014 by originalmachead

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What does or does it not do? What have you checked? what do you consider the usual stuff? — oldturkey03
Help us help you. The more complete the description of your problem is (some history of what's happening when it started happening, why you think it may be happening, what OS you're using -there's a lot of those, a full compete description, the text or screen shot of any error messages) the more assistance we can provide, and, the sooner we can provide it.. — originalmachead