Toreplacethemicroprocessorfan,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage71.
4.RemovetheVESAmountbracket.See“RemovingandreinstallingtheVESAmountbracket”onpage71.
5.Locatethemicroprocessorfaninthecomputer.See“LocatingmajorFRUsandCRUs”onpage63.
6.Removethemicroprocessorboardshield.See“Removingandreinstallingthesystemboardshield”
onpage76.
7.Notetheroutingofthemicroprocessorfancable,andthendisconnectthemicroprocessorfancable
fromthesystemboard.See“Locatingpartsonthesystemboard”onpage66.
8.Removethetwoscrews1thatsecurethemicroprocessorfantothemainbracket.Then,liftthe
microprocessorfanoffthemainbracket.
Figure19.Removingthemicroprocessorfan
9.Toreinstallthemicroprocessorfan,positionthenewmicroprocessorfanonthemainbracketandalign
thescrewholesinthenewmicroprocessorfanwiththoseinthemainbracket.Reinstallthetwoscrews
thatsecurethemicroprocessorfantothemainbracket.
10.Connectthenewmicroprocessorfancabletothesystemboard.See“Locatingpartsonthesystem
board”onpage66.
11.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage76.
12.Goto“Completingthepartsreplacement”onpage96.
Replacingtheheatsinkassembly
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheSafety,Warranty,andSetupGuidethatcamewithyourcomputer.Toobtainacopyofthe
78LenovoS710All-In-OneHardwareMaintenanceManual
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