Table5.Congmenuitems(continued)
MenuitemSubmenuitemValueComments
conditionuntilyoupress
theFnkeyagain.
KeyboardIllumination
Control
•ThinkLightOnly
•KeyboardbacklightOnly
•Both
EnabletheThinkLight
lightfeature,thekeyboard
backlightfeature,orboth.
Afteryoumakeaselection,
youcanactivatethe
correspondingfeature(s)by
pressingFn+Spacebar.
BootDisplayDevice•ThinkPadLCD
•Analog(VGA)
•DigitalonThinkPad
•Digital1ondock
•Digital2ondock
Selectthedisplaydevice
thatistobeactivatedat
boottime.Thisselection
iseffectiveforboottime,
passwordprompt,and
ThinkPadSetup.
DigitalonThinkpadisthe
MiniDisplayPortonyour
computer.
Digial1ondockand
Digital2ondock
areDisplayPortorDVI
connectorsonadocking
station.
GraphicsDevice•IntegratedGraphics
•DiscreteGraphics
•NVIDIAOptimus
TheIntegratedGraphics
modewillachievelonger
batterylife.TheDiscrete
Graphicsmodeenhances
graphicsperformance.
WhenNVIDIAOptimus
isselected,thesyst em
automaticallyswitches
betweendiscretegraphics
modeandtheintegrated
graphicsmodedepending
ontherunningprogram.
Note:NVIDIAOptimus
shouldbeselectedonlyif
youareusingaWindows7
model.
Display
OSDetectionforNVIDIA
Optimus
•Disabled
•Enabled
ThesystemBIOS
automaticallyswitches
theGraphicsDevice
settingtoNVIDIAOptimus
iftheoperatingsystem
supportsthefeature,and
toDiscreteGraphicsifthe
operatingsystemdoesnot
supportit.
116UserGuide