Computer Hardware User Manual

Table Of Contents
4.Removetheharddiskdrive.See"Replacingtheharddiskdrive"onpage106.
Note:Observethepowersupplycableroutingunderneaththeharddiskdrive.
5.Thesystemboardmustbemovedoutofthewaytoremovethepowersupply.Removethescrewsthat
securethesystemboardtothechassisandslidethesystemboardawayfromthepowersupply.
Note:Youdonothavetoremovethesystemboardfromthechassistoremovethepowersupply.
6.Attherearofthechassis,removethethreescrewsthatsecurethepowersupply.Alsoremovethe
screwthatsecuresthepowersupplyatthefront.
7.Liftthepowersupplyoutofthechassis.
8.Ifthepowersupplyhasavoltage-selectionswitch,ensurethatitissettomatchthevoltageavailable
attheelectricaloutlet.
Ifthevoltagesupplyrangeinyourlocalcountryorregionis100-127Vac,settheswitchto115V.
Ifthevoltagesupplyrangeinyourlocalcountryorregionis200-240Vac,settheswitchto230V.
9.Installthenewpowersupplyandinstallthethreescrewsthatsecurethepowersupplyattherearofthe
chassisandinstallthescrewthatsecuresthepowersupplyatthefront.
10.Positionthesystemboardsothatthescrewsholesareproperlyalignedandinstallthesystemboard
screws.
11.Routethepowersupplycablethroughthecableclampsunderneaththeharddiskdriveandreconnectall
powersupplycablestothesystemboard.
12.Installtheharddiskdrive.See"Replacingtheharddiskdrive"onpage106.
13.Alignthedrivebayassemblystudswiththetwoslotsonthesidesofthechassisandplaceitinto
position.Reconnectanydiskettedriveandopticaldrivecablesthatweredisconnected.
14.Usingthebluehandle,slidethedrivebayassemblytowardstherearofthechassisuntilitsnapsinto
position.
15.Reinstallthefrontbezel.
16.Goto"CompletingtheFRUreplacement"onpage113.
Replacingthesystemboard
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwait
threetoveminutestoletthecomputercoolbeforeopeningthecomputercover.
100ThinkCentreHardwareMaintenanceManual