Apple Mac Pro - Page 78

78 Chapter 4 Problem, Meet Solution
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80.
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anAppleKeyboard.
Ifthatdoesn’twork:
1 Shutdownthecomputerandremovethesidepanel(seetheinstructionsonpage33).
2 Pulltheopticaldrivecarrieroutoftheopticaldrivebay(see“ReplacinganOptical
Drive”onpage62).
3 Carefullyinserttheendofastraightenedpaperclipintothesmallholeonthefrontof
theopticaldrive.