Personal Computer User Manual

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage91.
4.Locatethemicroprocessorfaninthecomputer.See“FRUlocations”onpage82.
5.Removethemicroprocessorboardshield.See“Removingandreinstallingthesystemboardshield”
onpage98.
6.Notetheroutingofthemicroprocessorfancable,andthendisconnectthemicroprocessorfancable
fromthesystemboard.See“Systemboardpartsandconnectors”onpage84.
7.Removethetwoscrews1thatsecurethemicroprocessorfantothemainbracket.Then,liftthe
microprocessorfanoffthemainbracket.
Figure26.Removingthemicroprocessorfan
8.Toreinstallthemicroprocessorfan,positionthenewmicroprocessorfanonthemainbracketandalign
thescrewholesinthenewmicroprocessorfanwiththoseinthemainbracket.Reinstallthetwoscrews
thatsecurethemicroprocessorfantothemainbracket.
9.Connectthenewmicroprocessorfancabletothesystemboard.See“Systemboardpartsand
connectors”onpage84.
10.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage98.
11.Reinstallthecomputercover.See“Removingthecomputercover”onpage91.
12.Goto“Completingthepartsreplacement”onpage121.
Replacingtheheatsinkassembly
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
Chapter8.ReplacingFRUs101