Lenovo ThinkCentre M90p - Replacing the Power Supply Assembly

Figure12.InstallingthePCIcard
7.Goto“Completingthepartsreplacement”onpage93.
Replacingthepowersupplyassembly
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethepowersupplyassembly.
Toreplacethepowersupplyassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Disconnectthepowercords,Input/Output(I/O)cables,andanyothercablesthatareconnectedtothe
computer.
3.Removethefourscrewsattherearofthechassisthatsecurethepowersupplyassembly.
76ThinkCentreHardwareMaintenanceManual