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Mac Pro - Monitor Color Problems with Startup
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Junior Member
Join Date: May 2010
Location: Wilmington, DE
Status:
Offline
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I have a MAC Pro that is about 4 years old, running the latest version of 10.5 with all updates.
Whenever I start up my computer, my monitor acts normally through the boot-up process (the apple appears normal), but just before my computer is fully booted, my colors change to a minimul number of colors, maybe 8 or so. I have to unplug the monitor from the back of the computer and re-plug it is. At that point it works fine.
My video card has two monitor ports. I tried changing to the other port. It appeared to correct the problem for about a week, but now the problem has started up again.
Can anyone reccomend anything to correct or test this?
PS, the problem started after I let my nephew, who is not familar with macs, use my computer.
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Clinically Insane
Join Date: Oct 2000
Location: Los Angeles
Status:
Offline
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What details are shown about your monitor when you go to the Display pane of System Preferences? Have you tried booting in Safe Mode by holding down the Shift key at startup?
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"The natural progress of things is for liberty to yield and government to gain ground." TJ
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Junior Member
Join Date: May 2010
Location: Wilmington, DE
Status:
Offline
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I'm not sure what you mean by details, but the colors are set to millions.
Display Profile: HD Cinema
Haven't tried Safe Mode yet. Will try it and get back to you.
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Senior User
Join Date: Apr 2002
Status:
Offline
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Before you unplug the display, check that the "enhance contrast" option in the Universal Access System Preference is set at the lowest setting, labeled Normal.
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Junior Member
Join Date: May 2010
Location: Wilmington, DE
Status:
Offline
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Originally Posted by ChrisF 
Before you unplug the display, check that the "enhance contrast" option in the Universal Access System Preference is set at the lowest setting, labeled Normal.
That was it!!! Thank You Chris!!!
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