10.Routethenewintegratedcameracable,andthenconnecttheintegratedcameracabletothesystem
board.See“Systemboardpartsandconnectors”onpage88.
11.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
12.Goto“Completingthepartsreplacement”onpage125.
Replacingthesystemboard
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethesystemboard.
Toreplacethesystemboard,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage95.
4.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
5.Locatethesystemboardinthecomputer.See“FRUlocations”onpage86.
6.Removetheheatsinkassembly.See“Replacingtheheatsinkassembly”onpage105.
7.Removethemicroprocessor.See“Replacingthemicroprocessor”onpage107.
8.Removethememorymodules.See“Installingorreplacingamemorymodule”onpage114.
9.Removethebattery.See“Replacingthebattery”onpage112.
10.RemovetherearI/Oassemblytogainaccesstothesystemboard.See“ReplacingtherearI/O
assembly”onpage100
.
11.Notethelocationsofallcableconnectionsonthesystemboardanddisconnectallcables.See“System
boardpartsandconnectors”onpage88.
12.Removethesevenscrewsthatsecurethesystemboardtothemainbracket.Carefullyliftthesystem
boardoutofthechassis.
118ThinkCentreEdgeHardwareMaintenanceManual