ThinkPad T420s - Page 75

TheLenovoThinkVantageToolboxandLenovoSolutionCenter(inWindows7)haveanautomaticbattery
diagnosticthatdeterminesifthebatterypackisdefective.AbatterypackFRUshouldnotbereplacedunless
thisdiagnosticshowsthatthebatteryisdefective.
Theonlyexceptiontothisisifthebatterypackisphysicallydamagedoracustomerisreportingapossible
safetyissue.
IfLenovoThinkVantageToolboxisnotinstalledinthecomputer,thecustomershoulddownloadthisprogram
beforeanon-physicallydamagedbatterypackisreplaced.Notethatthereplacementofaphysically
damagedbatterypackisnotcoveredbythewarranty.
Table9.Removalstepsofbatterypack
DANGER
Useonlythebatteryspecifiedinthepartslistforyourcomputer.Anyotherbatterycouldignite
orexplode.
Unlockthebatterylatch1.Holdingthebatterylatchintheunlockedposition2,removethebatterypackin
thedirectionshownbyarrows
3and4.
1 2
3
3
4
Wheninstalling:
Installthebatterypackintheslot.Makesurethatthebatterylatchisinthelockedposition.
1020SerialUltrabaySlimdeviceortravelbezel
Foraccess,removethisFRU:
•“1010Batterypack”onpage68
Chapter8.RemovingandreplacingaFRU69