Basic Operation
Operating Your Computer
32 Reference Guide
2. Click the TouchPad tab, and select the device you want to disable from the pull-down
menu.
3. Select Disable This Device near the bottom of the window.
4. Click OK.
To use the Fn hot keys
The combination of the Fn key plus another key creates a hot key—a shortcut key
sequence—for various system controls. To use a hot key, press and hold Fn, press the
appropriate second key, then release both keys.
This hot key Does this
Fn+F1 Decreases the display brightness.
Fn+F2 Increases the display brightness.
Fn+F5
Toggles among the built-in display, an external display, and simultaneous display on
both.
Fn+F7 Audio mute.
Fn+F8
Toggles the built-in keypad on and off. Does not affect an external keyboard. If Num
Lock is on, then the numeric functions are active; otherwise, cursor control is active (as
marked on an external keyboard).
Fn+F12 Enters Hibernate mode.
Fn+NumLock Toggles Scroll Lock on and off.
External PS/2 keyboards support only Fn+F5, Fn+F7, and Fn+F12. To use these, press
and hold left CTRL+left ALT, press the appropriate second key, then release both keys.
A USB keyboard does not support Fn hot keys.
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