6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.
Figure39.RemovingthefrontaudioandUSBassembly
7.InstallthenewfrontaudioandUSBassemblyintothechassisandalignthescrewholeinthebracket
withthecorrespondingholeinthechassis.
8.InstallthescrewtosecurethenewfrontaudioandUSBassemblytothechassis.
9.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB
connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage74.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage118.
ReplacingtheWiFiunits
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpage1.
ThissectionprovidesinstructionsonhowtoreplacetheWiFiunits.TheWiFiunitsincludeaWiFiadapter
card,aWiFicardmodule,andarearWiFiantennacable.
ReplacingtheWiFiunitsinvolvesthefollowingoperations:
•“RemovingtheWiFiadaptercard”onpage110
•“RemovingtheWiFicardmodule”onpage111
•“InstallingtheWiFiunits”onpage112
Chapter9.ReplacingFRUs(machinetypes:3376,3378,and3387)109