
ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.
ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage122.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage122.
4.Pivotthedrivebayassemblyupward.See“Accessingthesystemboardcomponentsanddrives”on
page124.
5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage78.
Note:Makesureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem
board.
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove
thebracketfromthechassis.
Figure88.RemovingthefrontaudioandUSBassembly
7.InstallthenewfrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe
bracketwiththecorrespondingholeinthechassis.
8.Installthescrewtosecurethebrackettothechassis.
9.PivotthedrivebayassemblyupwardandreconnectthefrontUSBandfrontaudiocablestothesystem
board.See“Locatingpartsonthesystemboard”onpage78
.
10.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage124.
11.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage122.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage165.
142ThinkCentreE93HardwareMaintenanceManual
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