Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage52.
Replacingtheinternalspeakers
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheinternalspeakers.
Toreplacetheinternalspeakers,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage15.
4.RemovetherearI/Oassemblycover.See“RemovingorreinstallingtherearI/Oassemblycover”
onpage19.
5.L ocatetheinternalspeakersinthecomputer.See“Componentlocations”onpage11.
6.Not ethelocationoftheinternalspeakercableconnection.Notetheroutingoftheinternalspeaker
cables.Disconnecttheinternalspeakercablesfromthesyst emboard.
7.Removethetwoscrews1thatsecureeachinternalspeakertothefrontbezel,andthenremovethe
internalspeakersfromthecomputer.
Figure31.Removingtheinternalspeakers
40ThinkCentreUserGuide