Lenovo ThinkCentre E73 - Replacing the Wifi Units

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage38.
4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage40.
5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage13.
Note:Makesurethatyounotethelocationsofthecableswhenyoudisconnectthecablesfromthe
systemboard.
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.
Figure49.RemovingthefrontaudioandUSBassembly
7.InstallthefrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe
bracketwiththecorrespondingholeinthechassis.
8.Installthescrewtosecurethebrackettothechassis.
9.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem
board.See“Locatingpartsonthesystemboard”onpage13.
10.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB
connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage13.
11.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage40.
12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage38.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage78.
ReplacingtheWiFiunits
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
68ThinkCentreE73UserGuide