
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Externaldevices
CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUSBcableswhilethecomputer
powerison;otherwise,youmightdamageyourcomputer.T oavoidpossibledamagetoattached
devices,waitatleastvesecondsafterthecomputerisshutdowntodisconnectexternaldevices.
Generalbatterynotice
DANGER
PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto
thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea
rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby
Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced
withapprovedparts.
Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor
shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge
thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.
Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame
to“vent”fromthebatterypackorcoincell.Ifyourbatteryisdamaged,orifyounoticeany
dischargefromyourbatteryorthebuildupofforeignmaterialsonthebatteryleads,stopusingthe
batteryandobtainareplacementfromthebatterymanufacturer.
Batteriescandegradewhentheyareleftunusedforlongperiodsoftime.Forsomerechargeable
batteries(particularlyLithiumIonbatteries),leavingabatteryunusedinadischargedstatecould
increasetheriskofabatteryshortcircuit,whichcouldshortenthelifeofthebatteryandalsocan
poseasafetyhazard.DonotletrechargeableLithium-Ionbatteriescompletelydischargeorstore
thesebatteriesinadischargedstate.
Noticeforlithiumcoincellbattery
DANGER
Dangerofexplosionifbatteryisincorrectlyreplaced.
Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
•Repairordisassemble
Disposeofthebatteryasrequiredbylocalordinancesorregulations.
ThefollowingstatementappliestousersinthestateofCalifornia,U.S.A.
CaliforniaPerchlorateInformation:
xUserGuide
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