Apple MD770LL/A Personal Computer User Manual


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85Chapter 4 Problem, Meet Solution
3 Carefullyinserttheendofastraightenedpaperclipintothesmallholeonthefrontof
theopticaldrive.
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68).
If the status light ashes and the computer doesn’t start up
 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.
 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.Quittingafrozenapplicationmayallow
youtosaveyourworkinotheropenapplications.
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.
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