ThinkPad T420 - Page 64

Table8.Fnkeycombinations(continued)
KeycombinationDescription
Note:Toswitchbetweenthecomputerdisplayandanexternalmonitor,theWin+Pkey
combinationisalsoavailable.
ForWindowsVistaandWindowsXP:
Switchbetweenthecomputerdisplayandanexternalmonitor.Ifanexternalmonitoris
attached,computeroutputisdisplayedinthefollowingthreepatternsbyturns:
•Externalmonitor(CRTdisplay)
•Computerdisplayandexternalmonitor(LCD+CRTdisplay)
•Computerdisplay(LCD)
Notes:
Thisfunctionisnotsupportedifdifferentdesktopimagesaredisplayedonthecomputer
displayandtheexternalmonitor(theExtenddesktopfunction).
ThisfunctiondoesnotworkwhileaDVDmovieoravideoclipisplaying.
Toenablethisfunction,startPresentationDirector,andchangethesettings.
Note:MultipleuserscanlogontoasingleoperatingsystembyusingdifferentuserIDs.
Eachuserneedstodothefollowing:
ClickStart➙AllPrograms➙ThinkVantage➙PresentationDirector,andchangethe
Fn+F7settings.
Fn+F8
ChangethesettingsoftheUltraNav
®
pointingdevice.
Fn+F9Reserved.
Fn+F10Reserved.
Fn+F11Reserved.
Fn+F12Putthecomputerintohibernationmode.Toreturntonormaloperation,pressthepower
buttonforlessthanfourseconds.
Notes:
Tousethiscombinationofthekeys,ThinkPadPMdevicedrivermusthavebeeninstalled
onthecomputer.
ThoughthescreenfadesoutimmediatelyafterFn+F12arepressed,thecomputer
doesnotenterthehibernationmodeimmediately.Donotmovethesystemuntilthe
sleep(standby)statusindicatorstopsblinking.Movingthecomputerwhenitisentering
hibernationmightcausecorruptionoftheharddiskdrive.
Fn+PgUp
TurntheThinkLight
®
onoroff.
Note:ThisfunctionissupportedonlyontheThinkPadNotebooksthathavetheThinkLight.
TheonoroffstatusoftheThinkLightisshownonthescreenforafewsecondswhenyou
pressFn+PgUp.
Fn+HomeThecomputerdisplaybecomesbrighter.
Thepurposeofthismethodistochangethebrightnessleveltemporarily.OnWindowsVista,
thedefaultbrightnesslevelisloadedaftersleep(standby),hibernation,reboot,ordetachingor
attachinganacpoweradapter.Tochangethedefaultbrightnesslevel,changethesettingsof
thePowerOptionintheControlPanelorusethePowerManager.
Fn+EndThecomputerdisplaybecomesdimmer.
Thepurposeofthismethodistochangethebrightnessleveltemporarily.OnWindowsVista,
thedefaultbrightnesslevelisloadedaftersleep(standby),hibernation,reboot,ordetachingor
attachinganacpoweradapter.Tochangethedefaultbrightnesslevel,changethesettingsof
thePowerOptionintheControlPanelorusethePowerManager.
58ThinkPadT420andT420iHardwareMaintenanceManual
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