Apple MacBook Pro (17-inch, Late 2011) User Manual download pdf (Page 61)

61Chapter 4 Problem, Meet Solution

AfterrestoringMacOSXandyourAppleapplications,youcanselectivelyrestoreyour

otherdataandapplicationsfromaTimeMachinebackup.

Using Apple Hardware Test

IfyoususpectaproblemwiththeMacBookProhardware,youcanusetheApple

HardwareTestapplicationtohelpdetermineifthere’saproblemwithoneofthe

computer’scomponents,suchasthememoryorprocessor.

To use Apple Hardware Test:

1 Disconnectallexternaldevicesfromyourcomputerexceptthepoweradapter.

IfyouhaveanEthernetcableconnected,disconnectit.

2 RestartyourcomputerandholddowntheDkeyasitstartsup.

3 WhentheAppleHardwareTestchooserscreenappears,selectthelanguagefor

yourlocation.

4 PresstheReturnkeyorclicktherightarrowbutton.

5 WhentheAppleHardwareTestmainscreenappears(afterabout45seconds),

followtheonscreeninstructions.

6 IfAppleHardwareTestdetectsaproblem,itdisplaysanerrorcode.Makeanoteof

theerrorcodebeforepursuingsupportoptions.IfAppleHardwareTestdoesn’tdetect

ahardwarefailure,theproblemmightbesoftwarerelated.

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Apple MacBook Pro (17-inch, Late 2011) User Manual Page 61