5.Carefullyremovethetwoscrews1thatsecuretheambientlightsensorandthenlifttheambientlight
sensoroutofthecomputer.
Figure40.Removingtheambientlightsensor
6.Disconnecttheambientlightsensorcablefromthesystemboard.
7.Alignthescrewholesinthenewambientlightsensorwiththecorrespondingholesinthefrontbezel
andtheninstallthetwoscrewstosecuretheambientlightsensor.
8.Connectthenewambientlightsensorcabletothesystemboard.See“Locatingpartsonthesystem
board”onpage16.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage73.
ReplacingtheBluetoothmodule
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“Importantsafetyinformation”
onpagev.
ThissectionprovidesinstructionsonhowtoreplacetheBluetoothmodule.
Note:TheBluetoothmoduleisavailableonlyinsomemodels.
ToreplacetheBluetoothmodule,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage41.
4.RemovetherearI/Oassembly.See“RemovingandreinstallingtherearI/Oassembly”onpage44.
Chapter5.Installingorreplacinghardware63