Lenovo M4400s notebook User Manual Page 45

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4.Insertafullychargedbatterypackuntilitclicksintoplace1.Thenslidethebatterylocktothelocked
positiontosecurethebatterypackinplace2.
2
1
Figure10.Installingthebatterypack
5.Turnthecomputeroveragain.Connecttheacpoweradapterandallcables.
Replacingthebackupbattery
Beforeyoustart,printtheseinstructions.
DANGER
Ifthebackupbatteryisincorrectlyreplaced,thereisdangerofanexplosion.Thebackupbattery
containsasmallamountofharmfulsubstances.Toavoidpossibleinjury:
ReplaceonlywithabatteryofthetyperecommendedbyLenovo.
Keepthebatterypackawayfromre.
Donotexposeittoexcessiveheat.
Donotexposeittowaterorrain.
Donotshort-circuitit.
Donotdrop,crush,puncture,orsubjecttostrongforces.Batteryabuseormishandlingcan
causethebatterytooverheat,whichcancausegassesorameto“vent”fromthebattery
packorcoincell.
Toreplacethebackupbattery,dothefollowing:
1.Turnoffthecomputer;thendisconnecttheacpoweradapterandallcablesfromthecomputer.Wait
threetoveminutestoletthecomputercool.
2.Closethecomputerdisplay,andturnthecomputerover.
3.Removethebatterypack.See“Replacingthebatterypack”onpage29.
Chapter6.Replacinghardware31
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