Lenovo ThinkCentre M90p - Replacing the Heat Sink

8.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.
Figure15.Removingthepowersupplyassembly
9.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpower
supplyassemblyalignwiththoseinthechassis.
10.Installandtightenthefourscrewstosecurethepowersupplyassembly.
Note:UseonlythescrewsprovidedbyLenovo.
11.Reconnectallthepowersupplyassemblycablestothesystemboardandeachofthedrives.
12.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.
13.Goto“Completingthepartsreplacement”onpage93.
Replacingtheheatsink
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheheatsink.
CAUTION:
Theheatsinkmightbeveryhot.Turnoffthecomputerandwaitthreetoveminutesto
letthecomputercoolbeforeopeningthecomputercover.
Toreplacetheheatsink,dothefollowing:
78ThinkCentreHardwareMaintenanceManual