HT201541: Update the software on your Mac
Learn about Update the software on your Mac
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Helpful answers
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Sep 9, 2012 3:25 PM in response to cinthyasanchezpby mr.k99,cinthyasanchezp wrote:
I have a Mac Pro 13"
Mac Pro's don't have displays. Do you mean to say that you have a MacBook Pro?
cinthyasanchezp wrote:
I try too update the system and reboot the system but nothing happen.
What exactly are you trying to update?
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Sep 9, 2012 3:40 PM in response to cinthyasanchezpby cozar,What version of the OS do you have now? Check "About this Mac":
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by Linc Davis,Sep 9, 2012 4:36 PM in response to cinthyasanchezp
Linc Davis
Sep 9, 2012 4:36 PM
in response to cinthyasanchezp
Level 10 (207,963 points)
ApplicationsQuit System Preferences if it's running. In the Finder, hold down the option key and select Go ▹ Library from the menu bar. From the Library folder, delete the following item, if it exists:
Caches/com.apple.systempreferences
and move the following item to the Desktop:
Preferences/com.apple.desktop.plist
Launch System Preferences and test. If you still have the issue, put the item on the Desktop back where it came from and post again. Otherwise, delete the item.