Mac Pro 2010 Manual
Table Of Contents
- Contents
- Ready, Set Up, Go
- Life with Your Mac Pro
- Making a Good Thing Better
- Problem, Meet Solution
- An Ounce of Prevention
- Problems with Your Mac Pro
- Problems with Software
- Repairing, Restoring, or Reinstalling Mac OS X Software
- Checking for a Hardware Problem
- Keeping Your Software Up to Date
- Problems with Wi-Fi Communication
- Problems with Your Display
- Problems with Your Internet Connection
- Replacing the Apple Magic Mouse Batteries
- Maximizing Ethernet Performance
- Learning More, Service, and Support
- Locating Your Serial Number
- What’s Under the Hood
- Last, but Not Least
- Looking for Something?
95Chapter 4 Problem, Meet Solution
If the screen freezes
 Forcethefrozenapplicationtoquit.HolddowntheCommand(x)andOptionkeys
andpressEsc.ThenselecttheapplicationinthelistandclickForceQuit.
 Ifthatdoesn’twork,forcethecomputertorestartbyholdingdownthepowerbutton
(®)for5or6secondsuntilyourMacProshutsdown.Pressthepowerbutton(®)
againtostartupyourMacPro.
If your display has a light on the front and it’s ashing
OnsomeAppleatpaneldisplays,thepowerlightdisplaysaseriesofshortashes
whenanerrorisdetected.
 If you see a repeating sequence of three short ashes,thedisplayisdetectinginputin
thewrongvideoformat.Makesureyourdisplayiscompatiblewithyourgraphics
cardandthatyou’veinstalledthecorrectdisplaysoftware,ifyourdisplaycamewith
installationsoftware.
 If you see a sequence of two short ashes and a long ash,thedisplayisdetectinga
problemwithabacklightinglamp.ContactanAppleAuthorizedResellerorApple
AuthorizedServiceProvider.
Problems with Your Internet Connection
IfyouhavetroublewithyourInternetconnection,youcantrythestepsinthissection
startingwithNetworkDiagnostics.
To use Network Diagnostics:
1 ChooseApple()>SystemPreferences.
2 ClickNetworkandthenclick“Assistme”atthebottomofthepage.