Apple MC561LL/A Bedienungsanleitung PDF herunterladen (Seite 84)

84 Chapter 4 Problem, Meet Solution

If the computer doesn’t turn on or start up

Â Makesurethepowercordisconnectedtoaworkingpowersource.Theplugon

thepowercordmustbecompletelyinsertedintothecomputer’spowersocketand

rmlyseated.

Â RestartyourcomputerwhileholdingdowntheCommandkey(x)andRkey,until

thecomputerrestarts.WhentheMacOSXUtilitiesapplicationappears,selectan

optiontorepairyourdisk,restoreyoursoftware,orreinstallMacOSXandApple

applicationsfromtheMacOSXUtilitiespane.Formoreinformation,see“Repairing,

Restoring,orReinstallingMacOSXSoftware”onpage86.

Â Ifyourcomputerstilldoesnotstartup,tryresettingtheparameterrandomaccess

memory(PRAM).TurnonthecomputerandimmediatelyholddowntheCommand(x),

Option,P,andRkeysuntilyouhearthestartupsoundasecondtime.Releasethekeys.

ThePRAMisresettothedefaultvaluesandyourclocksettingsmayneedtobereset.

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IfyourcomputerdoesnotstartupafterresettingthePRAM,restartyourcomputer

whileholdingdowntheOptionkeytoselectyourstartupdisk.

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Ifthisdoesn’twork,restartyourcomputerwhileholdingdowntheShiftkey.

If you’re unable to eject a disc

Aleonthediscmaybeinuse.Quitapplicationsthatareopen,andthentryagain.

Ifthatdoesn’twork,chooseApple()>Restartandholddowneitherthemouse

buttonortheMediaEjectkey(C)onyourAppleKeyboard.

Ifthatdoesn’twork:

1 Shutdownthecomputerandremovethesidepanel(seetheinstructionsonpage39).

2 Pulltheopticaldrivecarrieroutoftheopticaldrivebay(see“ReplacinganOptical

Drive”onpage68).

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Apple MC561LL/A Bedienungsanleitung Seite 84