11.Installtheheatsinkandfanassemblyandconnecttheheatsinkandfanassemblycabletothe
microprocessorfanconnectoronthenewsystemboard.See“Replacingtheheatsinkandfan
assembly”onpage78.
12.Installthenewsystemboardintothechassisandalignthescrewholeswiththoseinthechassis.Insert
andtightenthescrewstosecurethenewsystemboardinplace.
13.InstallallmemorymodulesandPCIcardsremovedfromthefailingsystemboardonthenewsystem
board.
14.Reinstalltheprimaryharddiskdrivewiththeharddiskdrivecage.
15.Reconnectallremainingcablestothesystemboard.See“Locatingpartsonthesystemboard”
onpage70.
16.Tocompletether eplacement,goto“CompletingtheFRUreplacement”onpage97.
Replacingtheprimaryharddiskdrive
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheprimaryharddiskdrive.
Toreplacetheprimaryharddiskdrive,dothefollowing:
1.Removethecomputercover.See“Removingthecomputercover”onpage68.
2.Locatetheprimaryharddiskdrive.
3.Disconnectthesignalcableandthepowercablefromtheharddiskdrive.
4.Pressthebluereleasetab1down,slidetheharddiskdrivecage2back,andpivotitoutward.
Figure18.Removingtheprimaryharddiskdrive
Chapter8.ReplacingFRUs83