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ReplacingthefrontaudioandUSBassembly

Attention:DonotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingtheChapter

2“Safetyinformation”onpage3.

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Removethecomputercover.See“Removingthecomputercover”onpage82.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage83.

4.LocatethefrontaudioandUSBassembly.

5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson

thesystemboard”onpage71

Note:Makesureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem

board.

6.RemovethescrewthatsecuresthefrontaudioandUSBassemblybrackettothechassistoremove

thebracketfromthechassis.

Figure24.RemovingthefrontaudioandUSBassembly

7.InstallthenewfrontaudioandUSBassemblybracketintothechassisandalignthescrewholeinthe

bracketwiththecorrespondingholeinthechassis.

8.InstallthescrewtosecurethenewfrontaudioandUSBassemblytothechassis.

9.ReconnectthefrontaudioandUSBassemblycablestothefrontaudioconnectorandthefrontUSB

connectoronthesystemboard.See“Locatingpartsonthesystemboard”onpage71.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

92ThinkCentreE93HardwareMaintenanceManual

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