Fn key combinations
The following table shows the function of each combination
of Fn with a function key.
The Fn key works independently from the operating
ThinkPad A22m wireless models
Turn off the LCD display, leaving the screen
blank. To turn the LCD display on again, press
any key or the TrackPoint stick.
Turn standby mode on. To return to normal
operation, press the Fn key independently,
without pressing a function key.
Switch between the LCD and an external monitor
(CRT). If an external monitor is attached,
computer output is displayed in the following
three patterns by turns:
v CRT display
v LCD + CRT display
Turn screen expansion on or off. (There is no
symbol on the key.)
Turn hibernation mode on. To return to normal
operation, press the power button for less than
Turn the ThinkLight on or off.
The LCD becomes brighter.
The LCD becomes less bright.