6.Goto“CompletingtheFRUreplacement”onpage131.
Replacingthepowersupply
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethepowersupply.
Attention
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoserviceablepartsinsidethesecomponents.
Toreplacethepowersupply:
1.Removethefourscrewsattherearofthechassisthatsecurethepowersupply.
Figure49.Power-supply-retainingscrews
2.Openthecomputercover.See“Openingthecomputercover”onpage107.
3.Pivotthedrivebayassemblyupwardtogainaccesstothepowersupply.
4.Locatethepowersupply.See“Locatingcomponents”onpage109.
Chapter9.ReplacingFRUs(MachineTypes:3379,4083,4088,4099,4138,5897,6137,6234,6258,6303,7174,7220,
7346,7354,7357,7360,7483,7582,7627,7630,7638,8910,and9964.)115
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