Apple ME662LL/A Laptop User Manual


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56 Chapter 4 Problem, Meet Solution
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is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MacBookProwhileholdingdowntheDkey.
3 WhentheAppleHardwareTestchooserscreenappears,selectthelanguageyouwant
touse.
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maybesoftwarerelated.
Ifthisproceduredoesn’twork,youcanuseAppleHardwareTestfromthe Applications
Install DVD thatcamewithyourcomputer.Formoreinformation,seetheApple
HardwareTestReadMeleontheApplications Install DVD.
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