Apple ME662LL/A Laptop User Manual


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54 Chapter 4 Problem, Meet Solution
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,lookat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.
If an audio device plugged into the audio port isn’t working
Unplugtheaudiodevice.ChooseApple()>SystemPreferences,andopenSound
preferences.IntheInputpane,specifywhetheryouwanttheporttobeusedforSound
InputorSoundOutput.Plugtheaudiodevicebackin.
Note:  Ifyou’rerunningWindowsonyourMacBook,theportsupportsonlyaudiooutput.
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