Apple Mac Pro - Page 79

79Chapter 4 Problem, Meet Solution
4 Pushrmlyuntilthetrayopens,removethedisc,andpushthetraytocloseit.
5 Puttheopticaldrivecarrierandthesidepanelbackinplace(see“ReplacinganOptical
Drive”onpage62).
If the status light ashes and the computer doesn’t start up
Â Ifyourecentlyinstalledmemory,aPCIexpansioncard,oranotherinternal
component,makesurethatitiscorrectlyinstalledandthatitiscompatiblewithyour
computer.Seeifremovingitallowsthecomputertostartup.
Â Ifthestatuslightstillashes,determinethenumberofashestoidentifytheproblem:
•
One short ash followed by a longer o period: Novalidmemory.
•
Three short ashes followed by a longer o period:Failedmemory.
Problems with Software
Whenanapplicationfreezesordoesn’trespond,MacOSXprovidesawaytoquitthe
applicationwithoutrestartingyourcomputer.
To force an application to quit:
1 PressCommand(x)-Option-EscorchooseApple()>ForceQuitfromthemenubar.
2 SelectthenameoftheapplicationyouwanttoquitintheForceQuitApplicationsdialog.
3 ClickForceQuit.
Theapplicationquits,leavingallotherapplicationsopen.