Lenovo ThinkCentre Edge 91 - Replacing the Keyboard or Mouse

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage30.
4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”
onpage32.
5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage12.
Note:Makesureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem
board.
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.
Figure42.RemovingthefrontaudioandUSBassembly
7.InstallthefrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe
bracketwiththecorrespondingholeinthechassis.
8.Installthescrewtosecurethebrackettothechassis.
9.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem
board.See“Locatingpartsonthesystemboard”onpage12.
10.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB
connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage12.
11.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage32.
12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage30.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage57.
Replacingthekeyboardormouse
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
56ThinkCentreEdgeUserGuide