Lenovo ThinkCentre Edge 91z - Replacing the Power Supply

6.Removethetwoscrews1thatsecurethesystemfantothesystemboardshield,andthendisconnect
thesystemfancablefromthesystemboardconnectoronthesystemboard.
Figure25.Removingthesystemfan
7.Toreinstallthesystemfan,placethesystemfanonthesystemboardshieldsothatthetwoscrew
holesalignwiththoseonthesystemboardshield.Reinstallthetwoscrewstosecurethesystemfan
tothesystemboardshield.
8.Reconnectthesystemfancabletothesystemfanconnectoronthesystemboard.See“System
boardpartsandconnectors”onpage88
9.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
10.Goto“Completingthepartsreplacement”onpage127.
Replacingthepowersupply
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethepowersupply.
Toreplacethepowersupply,dothefollowing:
104ThinkCentreHardwareMaintenanceManual