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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > After upgrading to OS X, Monitor keeps losing signal

After upgrading to OS X, Monitor keeps losing signal
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JazzCatDRP
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Join Date: Sep 2004
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Dec 28, 2006, 11:08 AM
 
My dad recently upgraded from system 9 to OS 10.2, and after doing this, the monitor randomly will lose the signal, and the "no signal" will start flashing across the screen. It has got to be OS based, as it was fine prior to the switch to X. Any ideas?
     
Blasphemy
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Dec 28, 2006, 01:09 PM
 
why just 10.2? 10.4 is light years better.
     
besson3c
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Dec 28, 2006, 01:12 PM
 
Sounds like maybe OS X is attempting a resolution the monitor doesn't support?
     
Art Vandelay
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Dec 28, 2006, 04:05 PM
 
Does this happen when he's using the computer or when it's been idle? If it's the latter, then it's most likely the computer setting the monitor to powersave mode and the monitor either doesn't support powersave mode or isn't turning off like it's supposed to.
Vandelay Industries
     
analogika
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Dec 30, 2006, 07:44 PM
 
Get onto the Apple support page and check for the latest firmware upgrade for the machine.

Do so immediately. Some machines require a firmware upgrade, else they'll be wonky under OS X. Using them with OS X anyway can fry them.

analogika studio - music & electronics.
     
   
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