Lenovo ThinkCentre M90p - Page 86

CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwait
threetoveminutestoletthecomputercoolbeforeopeningthecomputercover.
Toreplacethemicroprocessor:
1.Openthecomputercover.See“Openingthecomputercover”onpage68.
2.Pivotthedrivebayassemblyupwardtogainaccesstothesystemboard.
3.Locatetheheatsinkandfanassemblyanddisconnecttheheatsinkandfanassemblycablefrom
themicroprocessorfanconnectoronthesystemboard.See“Locatingpartsonthesystemboard”
onpage70.
4.Removetheheatsinkandfanassembly.See“Replacingtheheatsink”onpage78.
5.Placetheheatsinkandfanassemblyonitssidesothatthethermalgreasedoesnotcomeincontact
withanything.
6.Removetheharddiskdrive.See“Replacingtheharddiskdrive”onpage84.
7.Liftthesmallhandle3andopentheretainer1toaccessthemicroprocessor2.
Figure17.Accessingthemicroprocessor
8.Liftthemicroprocessorstraightupandoutofthesocket.
Notes:
a.Yourmicroprocessorandsocketmightlookdifferentfromtheoneillustrated.
b.Notetheorientationofthemicroprocessorinthesocket.Youcaneitherlookforthesmalltriangle1
ononecornerofthemicroprocessorornotetheorientationofthenotches2onthemicroprocessor.
Thisisimportantwheninstallingthenewmicroprocessoronthesystemboard.
80ThinkCentreHardwareMaintenanceManual