Lenovo ThinkStation E31 - Page 162

ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Openingthecomputercover”onpage120.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage120.
4.PivottheopticaldrivebayupwardanddisconnectthefrontaudioandUSBassemblycablesfromthe
systemboardandnotethecablesrouting.See“Locatingpartsonthesystemboard”onpage82.
5.RemovethescrewthatsecuresthefrontaudioandUSBassemblybracket.Thenremovethefront
audioandUSBassemblybracketfromthechassis.
Figure95.RemovingthefrontaudioandUSBassembly
6.RemovethetwoscrewsthatsecurethefrontaudioandUSBassemblytoitsbracket.Thenremovethe
failingfrontaudioandUSBassemblyfromthebracket.
7.InstallanewfrontaudioandUSBassemblyintothebracketandinstallthetwoscrewstosecurethe
frontaudioandUSBassemblytothebracket.
8.InstallthefrontaudioandUSBassemblybrackettothechassisandalignthescrewholeinthebracket
withthecorrespondingholeinthechassis.
9.InstallthescrewtosecurethefrontaudioandUSBassemblybrackettothechassis.
10.ReconnectthefrontUSBandfrontaudiocablestothesystemboard.See“Locatingpartsonthe
systemboard”onpage82.
11.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage120.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage165.
156ThinkStationHardwareMaintenanceManual