Personal Computer User Manual

Toreplacethemulti-touchboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage15.
4.Locatethemulti-touchboardinthecomputer.See“Componentlocations”onpage11.
5.Notethemulti-touchboardcableroutinganddisconnectthethreemulti-touchboardcablesfrom
thesystemboardandthemulti-touchscreen.
6.Carefullyremovethetwoscrews1thatsecurethemulti-touchboardandthenliftthemulti-touch
boardoffthecomputermainbracket.
Figure28.Removingthemulti-touchboard
7.Alignthescrewholesinthenewmulti-touchboardwiththoseinthecomputermainbracketandthen
installthetwoscrewstosecurethemulti-touchboard.
8.Connectthenewmulti-touchboardcablestothesystemboardandthemulti-touchscreen.See
“Systemboardpartandconnectorlocations”onpage12.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage52
.
Replacingtheambientlightsensor
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Chapter2.Installingorreplacinghardware37