Apple Mac Pro Mac Pro Spezifikationen PDF herunterladen (Seite 53)

53Chapter 4 Problem, Meet Solution

Â Iftheproblempersists,closeallopendocumentsandquitallapplications.Return

thecomputertoitsfactorysettings(whilestillpreservingyourles)bypressing

theleftShiftkey,leftOption(alt)key,leftControlkey,andthepower(®)button

simultaneouslyforvesecondsuntilthecomputerrestarts.

Â Ifyourecentlyinstalledadditionalmemory,makesurethatitiscorrectlyinstalledand

iscompatiblewithyourcomputer.Seewhetherremovingandreinstallingtheold

memoryallowsthecomputertostartup(seepage44).

Â Pressthepower(®)buttonandimmediatelyholddowntheCommand(x),Option,

P,andRkeyssimultaneouslyuntilyouhearthestartupsoundasecondtimetoreset

theparameterRAM(PRAM).

Â Ifyoustillcan’tstartupyourMacBookPro,see“LearningMore,Service,andSupport”

onpage64forinformationaboutcontactingAppleforservice.

If the screen suddenly goes black or your MacBook Pro freezes

TryrestartingyourMacBookPro.

1 UnpluganydevicesthatareconnectedtoyourMacBookPro,exceptthepoweradapter.

2 Pressthepower(®)buttontorestartthesystem.

3 Letthebatterychargetoatleast10percentbeforeplugginginanyexternaldevices

andresumingyourwork.

Toseehowmuchthebatteryhascharged,clicktheBattery( )statusiconinthe

menubarorcheckthebatteryindicatorlightsontheleftsideofyourMacBookPro.

Thescreenmightalsodarkenifyouhaveenergysaverfeaturessetforthebattery.

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Apple Mac Pro Mac Pro Spezifikationen Seite 53