1.Removethemicroprocessorfromthemicroprocessorsocket.See“Replacingthemicroprocessor”
onpage81.
2.Closethemicroprocessorretainerandlockitintopositionwiththesmallhandle.
3.Insertthetabs1ofthesocketcoverintothehingedsideofthesocket,andthenpresstheotherside
ofthesocketcoverdownwarduntilthetabs2snapintoposition.
Figure13.Tabsonthemicroprocessorsocketcover(bottomview)
Figure14.Installingthemicroprocessorsocketcover
Replacingthebattery
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethebattery.
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(conguration).Abatterykeepsthisinformationactivewhenyouturn
offthecomputer.
Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthebatteryfails,thedate,time,andcongurationinformation(includingpasswords)arelost.An
errormessageisdisplayedwhenyouturnonthecomputer.
86ThinkCentreHardwareMaintenanceManual
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