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Please help - mac monitors black since updating OS to 10.8.3

183 Views 3 Replies Latest reply: Apr 5, 2013 10:48 AM by Eric Root RSS
Sophia Level 1 Level 1 (35 points)
Currently Being Moderated
Mar 16, 2013 9:57 AM

Hello

 

I am hoping someone out there can be of some help. I have just updated my Mac Pro 3.1 Xeon from 10.8.2 to 10.8.3.

 

When I restarted the mac both screens appeared black and did not light up. The mac booted up as normal. I gave it a few moments and restarted again. Nothing. At this point I started panicking. I reset the PRAM which made the correct sounds and thought would fix the problem but this did not work either. I unplugged the mac and removed the DVI cables from the back and plugged one monitor back in trying each DVI port to be sure and again nothing. I restarted the mac from the system disc and again the screen was black. It is clear power is going through both monitors but since the update appear to be in sleep mode.

 

Can someone out there help because I really need to get to my files.

 

 

Best wishes

 

Sophia

Mac Pro, OS X Mountain Lion (10.8.2), Duo Quad Core 3.2GHZ Xeon 16GB RAM

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