Personal Computer User Manual

Figure30.Installingthenewinternalspeaker
10.Reconnecttheinternalspeakercableandthethermalsensorcabletothesystemboard.See“Locating
partsonthesystemboard”onpage9.
11.Toreinstallthefrontbezel,alignthethreetabsonthefrontbezelwiththecorrespondingholesinthe
chassisandpivotthefrontbezelinwardsuntilitsnapsintoposition.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage32.
Replacingthekeyboardormouse
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethekeyboardormouse.
Toreplacethekeyboardormouse,dothefollowing:
1.Removeanymediafromthedrives.Then,turnoffallattacheddevicesandthecomputer.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnecttheoldkeyboardcableormousecablefromthecomputer.
Chapter2.Installingorreplacinghardware31