Personal Computer User Manual

ReplacingthefrontaudioandUSBassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.
ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Openthecomputercover.See“Openingthecomputercover”onpage12.
3.PivottheopticaldrivebayassemblyupwardtogainaccesstothefrontaudioandUSBassembly.See
“Accessingthesystemboardcomponentsanddrives”onpage12.
4.LocatethefrontaudioandUSBassembly.
5.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage9.
Note:Makesureyounotethelocationsofthecableswhenyoudisconnectthecablesfromthesystem
board.
6.RemovethescrewthatsecuresthefrontaudioandUSBassemblytothechassis.
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Figure25.RemovingthesecuringscrewofthefrontaudioandUSBassembly
7.RemovethefrontaudioandUSBassemblyfromthechassis.
8.InstallanewfrontaudioandUSBassemblyintothechassisandalignthescrewholeinthefrontaudio
andUSBassemblywiththeholeinthechassis.
9.InstallthescrewtosecurethenewfrontaudioandUSBassemblytothechassis.
26ThinkCentreUserGuide