Personal Computer User Manual

7.Releasethepowersupplyassemblycablesfromthecableclipsandtiesinthechassis.
8.Slidethepowersupplyassemblytothefrontofthecomputerandthenliftitoutofthechassis.
Figure23.Removingthepowersupplyassembly
9.Installthenewpowersupplyassemblyintothechassissothatthescrewholesinthenewpowersupply
assemblyalignwiththoseinthechassis.
10.Installandtightenthefourscrewstosecurethepowersupplyassembly.
Note:UseonlythescrewsprovidedbyLenovo.
11.Reconnectallthepowersupplyassemblycablestothesystemboardandeachofthedrives.
12.Securethepowersupplyassemblycableswiththecableclipsandtiesinthechassis.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage32
.
Replacingtheheatsink
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheheatsink.
24ThinkCentreUserGuide