Computer Hardware User Manual

Table Of Contents
1.Removethecomputercover.See"Removingthecover"onpage68.
2.Removethefrontbezelbyreleasingthethreeplastictabsinsidethechassisandpivotingthebezel
outward.Carefullysetthebezeltothesidewithoutdisconnectingthepowerswitch/LEDassemblycable.
3.Toreinstallthebezel,aligntheplastictabsontherightsideofthebezelwiththecorrespondingholesin
thechassis,thenpivotitinwarduntilitsnapsintopositionontheleftside.
Replacingthepowersupply
Attention
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabelattached.
Therearenoservicablepartsinsidethesecomponents.
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe"Importantsafetyinformation"
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:http://www.lenovo.com/support
72ThinkCentreHardwareMaintenanceManual