Figure52.Removingtheheatsinkandfanassembly
5.Placethenewheatsinkandfanassemblyintopositionandlowerthelevertosecuretheheatsink
andfanassembly.
6.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystemboard.
7.Goto“CompletingtheFRUreplacement”onpage131.
Replacingthemicroprocessor
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessor.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwait
threetoveminutestoletthecomputercoolbeforeopeningthecomputercover.
Toreplacethemicroprocessor:
1.Openthecomputercover.See“Openingthecomputercover”onpage107.
2.Pivotthedrivebayassemblyupwardtogainaccesstothesystemboard.See“Accessingthesystem
boardcomponentsanddrives”onpage108.
3.Locatetheheatsinkandfanassemblyanddisconnecttheheatsinkandfanassemblycablefromthe
microprocessorfanconnectoronthesystemboard.See“Locatingpartsonthesystemboard”on
page110
.
4.Removetheheatsinkandfanassembly.See“Replacingtheheatsinkandfanassembly”onpage117.
118ThinkCentreHardwareMaintenanceManual
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