ThinkPad S440 - Chapter 4. Security; Using passwords

1.StartPowerManager.
2.ClicktheGlobalPowerSettingstab.
3.ForLowbatteryalarmorCriticallylowbatteryalarm,setthepercentageofthepowerlevelandset
theaction.
Note:Ifyourcomputerenterssleeporhibernationmodewhenthebatteryislow,butthealarmmessage
hasnotyetbeendisplayed,themessagewillbedisplayedwhenthecomputerresumes.Toresumenormal
operation,clickOK.
Usingtheacpoweradapter
Thepowertorunyourcomputercancomeeitherfromthelithium-ion(Li-ion)batterypackofyourcomputer,
orfromacpowerthroughtheacpoweradapter.Whileyouuseacpower,thebatterychargesautomatically.
Theacpoweradapterthatcomeswithyourcomputerhastwobasiccomponents:
•Thetransformerpackthatconvertsacpowerforusewiththecomputer.
•Thepowercordthatplugsintotheacoutletandintothetransformerpack.
Attention:Usinganimproperpowercordcouldcauseseveredamagetoyourcomputer.
Connectingtheacpoweradapter
Toconnecttheacpoweradapter,dothefollowing:
Note:Ensurethatyouperformtheactionsintheorderinwhichtheyarelisted.
1.Connectthepowercordtoanelectricaloutlet.
2.Connectthepowercordtothetransformerpack.
3.Connecttheacpoweradaptertothepowerconnectorofthecomputer.
Tipsonusingtheacpoweradapter
Youcancheckthestatusofyourbatteryatanytimebylookingatthebatterymeteratthebottomof
yourdisplay.
•Whentheacpoweradapterisnotinuse,disconnectitfromtheelectricaloutlet.
•Donotbindthepowercordtightlyaroundtheacpoweradaptertransformerpackwhenitisconnectedto
thetransformer.
•Beforeyouchargethebattery,ensurethatitstemperatureisatleast10°C(50°F).
•Youcanchargethebatterywhentheacpoweradapterisconnectedtothecomputerandthebatteryis
installed.Youneedtochargethebatteryinanyofthefollowingconditions:
–Whenyoupurchaseanewbattery.
–Whenthebatterymeteratthebottomofyourdisplayshowsthatthebatterypowerremainingislow.
–Ifthebatteryhasnotbeenusedforalongtime.
Chargingthebattery
Whenyoucheckbatterystatusandfindthatthepercentageofpowerremainingisloworwhenthepower
alarmalertsyouthattheremainingpowerislow,youneedtochargeyourbattery.
Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninserttheconnectorintothe
computer.Thebatterywillbefullychargedinaboutthreetosixhours.Thisisaffectedbythebatterysize
andthephysicalenvironment.Thebattery-statusindicatorwillletyouknowthatthebatteryischarging,and
willalsonotifyyouwhenthebatteryisfullycharged.
Chapter2.Usingyourcomputer29