Personal Computer User Manual

9.Removethethreescrews1thatsecurethepowersupply.
Figure25.Removingthethreescrewsthatsecurethepowersupply
10.Toreinstallthepowersupply,reinstallthetwoscrewsthatsecurethepowercordconnectortothe
powerconnectorbracket.See“ReplacingtherearI/Oassembly”onpage96
11.Positionthenewpowersupplyinthecomputerandalignthethreescrewholesinthenewpowersupply
withthoseinthecomputermainbracket.Installthethreescrewstosecurethenewpowersupply.
12.Routethenewpowercordconnectorcable,andthenreinstalltherearI/Oassembly.See“Replacing
therearI/Oassembly”onpage96.
13.Connectthenewpowersupplycablestothepowersupplyconnectorsonthesystemboard.See
“Systemboardpartsandconnectors”onpage84.
14.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage98.
15.ReinstalltheVESAmountbracket.See“RemovingtheVESAmountbracket”onpage95.
16.Reinstallthecomputercover.See“Removingthecomputercover”onpage91.
17.Goto“Completingthepartsreplacement”onpage121.
Replacingthemicroprocessorfan
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethemicroprocessorfan.
Toreplacethemicroprocessorfan,dothefollowing:
100ThinkCentreEdgeHardwareMaintenanceManual