User Guide

94 Chapter 4 Problem, Meet Solution
YoumayhavetoclickyourAppleMagicMouseoncetoreconnectittoyourMacPro.
Tocheckthebatterystatus,slidetheon/oswitchtoturnonthemouse.Ifthe
indicatorlightdoesn’tglow,youmayneedtochangethebatteries.Youcancheckthe
batterylevelinMousePreferences.ChooseApple()>SystemPreferencesandclick
Mouse.Thebatterylevelisshowninthelower-leftcorner.
Using Apple Hardware Test
IfyoususpectaproblemwithyourMacProhardware,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MacPro,exceptthedisplay,keyboard,and
mouse.IfyouhaveanEthernetcableconnected,disconnectit.
2 RestartyourMac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.