22.Installthenewsystemboardintothechassisandalignthescrewholeswiththoseinthechassis.Insert
andtightenthescrewsthatsecurethesystemboard.
23.Connectallcablestothesystemboard.See“Identifyingpartsonthesystemboard”onpage95.
24.Replacetheharddiskdrive.See“Replacingtheharddiskdrive”onpage114.
25.Installthedrivebayassemblyandconnectthepowerandsignalcablestothedrives.
26.ReinstallanyPCIadaptercardsthatwereremoved.See“ReplacingaPCIadapter”onpage99.
27.Positionthefanductontheheatsinkfan.
28.Goto“CompletingtheFRUreplacement”onpage117.
Replacingthemicroprocessor(Types7396,7397,and7398)
Note:Athermalgreasesyringeisrequiredtocompletethemicroprocessorinstallation.Makesurethegrease
syringeisavailablebeforebeginningtheprocedure.TheFRUnumberforthethermalgreaseis91P8835.
1.Removethecover.See“Removingthecover”onpage94.
2.Laythecomputerontherightsidetomakethesystemboardandmicroprocessoraccessible.
3.Disconnecttheheatsinkandfanassemblycablefromthesystemboard.See“Identifyingpartsonthe
systemboard”onpage71.
4.Removethefourscrewssecuringtheheatsinkandfanassemblytothesystemboard.Noticethatthere
isaretentionbracketonthebacksideofthesystemboard.
5.Lifttheheatsinkandfanassemblyoffthefailingsystemboard.
6.Liftthesmallhandle3andopentheretainer1.
108HardwareMaintenanceManualLenovo3000JSeries
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