Externaldevices
CAUTION:
DonotconnectordisconnectanyexternaldevicecablesotherthanUSBcablewhilethecomputer
powerison;otherwise,youmightdamageyourcomput er.Toavoidpossibledamaget oattached
devices,waitatleastvesecondsafterthecomputerisshutdowntodisconnectexternaldevices.
Generalbatterynotice
DANGER
PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto
thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea
rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby
Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced
withapprovedparts.
Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor
shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge
thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.
Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame
to“vent”fromthebatterypackorcoincell.Ifyounoticeanysignsofbulging,leakageorcorrosion
ontheexterioroftheproduct,thismaybetheresultofaninternalbatteryfault.Ifthisoccurs,stop
usingtheproductimmediatelyandpleasecontacttheLenovoSupportteamforfurtherinstructions.
Factoryr eplacementofthebatteriesmayberequired.
Batteriescandegradewhentheyareleftunusedforlongperiodsoftime.Forsomerechargeable
batteries(particularlyLithiumIonbatteries),leavingabatteryunusedinadischargedstatecould
increasetheriskofabatteryshortcircuit,whichcouldshortenthelifeofthebatteryandcanalso
poseasafetyhazard.DonotletrechargeableLithium-Ionbatt eriescompletelydischargeorstore
thesebatteriesinadischargedstate.
Built-inrechargeablebatterynotice
DANGER
Donotattempttoreplacetheinternalrechargeablelithiumionbatteries.ContactLenovoSupport
forfactoryreplacement.
Lithiumcoincellbatterynotice
DANGER
Dangerofexplosionifbatteryisincorrectlyreplaced.
Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis
recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly
used,handled,ordisposedof.
Donot:
•Throworimmerseintowater
•Heattomorethan100°C(212°F)
viiiUserGuide