3Built-inmicrophone
Thebuilt-inmicrophonecapturessoundandvoicewhenitisusedwithanapplicationprogramcapable
ofhandlingaudio.
5Powerswitch
Usethepowerswitchtoturnonthecomputer.T oturnoffyourcomputer,usetheStartmenushutdown
options.
Ifyoucannotturnoffthecomputerbythismethod,pressandholdthepowerswitchfor2seconds.
Ifyourcomputerstopsresponding,andyoucannotturnitoff,pressandholdthepowerswitchfor4seconds
ormore.Ifthesystemisstillnotreset,removetheacpoweradapterandthebattery.
ThepowerswitchcanalsobeprogrammedviaPowerManagertoshutdownthecomputerorputitinto
sleep(standby)orhibernation.
6Fingerprintreader
Yourcomputermayhaveanintegratedngerprintreader.Itenablesyoutologontoyourcomputerby
usingyourngerprintwithouttypinganypasswords.
Fordetails,refertotheinstructionsin“Usingangerprintreader”onpage65.
7System-statusindicators(illuminatedThinkPadlogo)
TheilluminateddotintheThinkPad®logoworksasasystem-statusindicatorshowingwhetherthecomputer
isinsleep(standby),hibernation,ornormalmode.
Fordetails,refertotheinstructionsin“System-statusindicators”onpage12.
8Built-instereospeaker(right)
13Built-instereospeak er(left)
Thestereospeakersarebuiltintoyourcomputer.
Fordetails,refertotheinstructionsin“ThinkPadEdgeE420specialkeys”onpage27.
UltraNav®
9TrackPointpointingstick
10TrackPointbuttons
11Touchpadbuttons
12Touchpad
ThekeyboardcontainstheuniqueTrackPoint®pointingdevice.Pointing,selecting,anddraggingareallpart
ofasingleprocessthatyoucanperformwithoutmovingyourngersfromtypingposition.
MoveyourngertipacrosstheUltraNavtouchpadtomovethepointer.
TheTrackPointandtouchpadbuttonsprovidefunctionssimilartothoseofamouseanditsbuttons.
14Bluetoothantenna
Ifyourcomputerhasintegratedbluetoothfeatures,refertoUsingBluetoothformoreinformation.
15Volumecontrolbuttons
Thebuilt-involumebuttonsenableyoutoquicklyadjustthevolumeormutethesoundfromyourcomputer.
Chapter1.ProductOverview3