Lenovo ThinkCentre Edge 91z - Replacing the Battery

5.Presstheuppermetaltabofthesystemboardshieldwindow,andthenpivotthesystemboardshield
windowtoopenit.
Figure34.Openingthesystemboardshieldwindow
6.Toclosethesystemboardshieldwindow,placethesystemboardshieldwindowonthesystemboard
shield.Pivotthesystemboardshieldwindowuntilthetwometaltabsalignwitheachother,andthen
presstheuppermetaltabtosnapitintotheposition.
7.Goto“Removingthecomputercover”onpage95.
Replacingthebattery
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacethebattery.
Yourcomputerhasaspecialtypeofmemorythatmaintainsthedate,time,andsettingsforbuilt-infeatures,
suchasparallel-portassignments(conguration).Abatterykeepstheinformationactivewhenyouturn
offthecomputer.
Thebatterynormallyrequiresnochargingormaintenancethroughoutitslife.However,ifthebatteryfails,
thedate,time,andcongurationinformation(includingpasswords)arelost.Anerrormessagewillbe
displayedwhenyouturnonthecomputer.
Referto“Lithiumbatterynotice”intheThinkCentreEdgeSafetyandWarrantyGuideforinformationabout
replacinganddisposingofthebattery.
Toreplacethebattery,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
Chapter8.ReplacingFRUs113