Lenovo ThinkCentre Edge - Replacing the Power Supply

5.Removethescrewthatsecuresthesystemboardshield,andthenslidethesystemboardshieldout
ofthecomputer.
Figure24.Removingthesystemboardshield
6.Toreinstallthesystemboardshield,slidethesystemboardshieldintothesystemboardshieldslotso
thatthescrewholealignswiththatinthecomputer.
7.Reinstallthescrewtosecurethesystemboardshieldtothecomputer.
8.Goto“Completingthepartsreplacement”onpage125.
Replacingthepowersupply
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethepowersupply.
Toreplacethepowersupply,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage95.
4.RemovetheVESAmountbracket.See“RemovingtheVESAmountbracket”onpage99.
5.Locatethepowersupply.See“FRUlocations”onpage86.
6.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
7.Disconnectthepowersupplycablesfromthesystemboard.See“Systemboardpartsandconnectors”
onpage88.
8.RemovetherearI/Oassembly,andthenremovethepowercordconnectorfromthepowercord
connectorbracket.See“ReplacingtherearI/Oassembly”onpage100.Removethepowersupply
outofthecomputer.
Chapter8.ReplacingFRUs103