Fn key combinationsThe following table shows the function of each combinationof Fn with a function key.KeycombinationDescriptionFn+F1 Reserved.Fn+F2 Reserved.Fn+F3 Turn off the LCD display, leaving the screenblank. To turn the LCD display on again, pressany key or the TrackPoint stick.Fn+F4 Put the computer in standby mode. To return tonormal operation, press the Fn keyindependently, without pressing a function key.Note: In Windows XP and Windows 2000, thiscombination of buttons functions as a sleepbutton. The setting can be changed so thatpressing it puts the computer into hibernationmode or even shuts the computer down.Fn+F5 Turn the Bluetooth on or off.Fn+F6 Reserved.Fn+F7 Apply a presentation scheme directly, with noneed to start Presentation Director.Fn+F8 Switch the computer screen size betweenexpanded and normal mode if the computerdisplay image is smaller than the physicaldisplay.Note: This function is not supported inWindows 2000 and Windows XP.Fn+F9 Turn the Easy Eject on or off.Fn+F10 Reserved.Fn+F11 Reserved.Fn+F12 Put the computer into hibernation mode. Toreturn to normal operation, press the powerbutton for less than four seconds.Note: In Windows 2000 and Windows XP, youcan use Fn+F12 for hibernation only if the IBMPM device driver has been installed on thecomputer.Fn+PgUp Turn the ThinkLight on or off.Fn+Home The computer display becomes brighter.Fn+End The computer display becomes less bright.Fn+Spacebar Enable the FullScreen Magnifier function.Product overview52 ThinkPad R40