User guide

5.ClickYesintheSetupConrmationwindow.Thebuilt-inbatteryisdisabledandthecomputerturnsoff.
Waitforafewminutestoletthecomputercool.
Thebuilt-inbatterywillbeautomaticallyenabledagainwhenthecomputerisconnectedtoanacpower
adapter.
Replacingtheexternalbatterypack
Beforeyoustart,printtheseinstructions.
ThissystemsupportsonlybatteriesspeciallydesignedforthisspecicsystemandmanufacturedbyLenovo
oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother
systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemisinstalled,thesystemwill
notcharge.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Note:Ifanunauthorizedbatteryisinstalled,thefollowingmessagewillbedisplayed:
“Thebatteryinstalledisnotsupportedbythissystemandwillnotcharge.Pleasereplacethebattery
withthecorrectLenovobatteryforthissystem.”
Prerequisitesfortheprocedure
DANGER
Iftherechargeablebatterypackisincorrectlyreplaced,thereisdangerofanexplosion.Thebattery
packcontainsasmallamountofharmfulsubstances.Toavoidpossibleinjury:
•ReplaceonlywithabatteryofthetyperecommendedbyLenovo.
•Keepthebatterypackawayfromre.
•Donotexposeittoexcessiveheat.
•Donotexposeittowaterorrain.
•Donotshort-circuitit.
•Donotdrop,crush,puncture,orsubjecttostrongforces.Batteryabuseormishandlingcan
causethebatterytooverheat,whichcancausegassesorameto“vent”fromthebattery
packorRTCbattery.
Toreplacetheexternalbatterypack,dothefollowing:
1.Disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”onpage67.
2.Closethecomputerdisplay,andturnthecomputerover.
68UserGuide