The following table shows the function of each combination of Fn with a function key. The Fn key works independently from the operating system.
Key combination
Description
Fn + F3
Turn off the computer display, leaving the screen blank. To turn the computer display on again, press any key or the TrackPoint pointer. Also the computer display is turned on if the ac adapter is attached to or detached from the computer.
Fn + F4
Put the computer in standby mode. To return to normal operation, press the Fn key. Note: In Windows 2000, this combination of buttons functions as a sleep button. Customer can change the settings so that pressing it puts the computer into hibernation mode or even shuts the computer down.
Fn + F5
Brightness down.
Fn + F6
Brightness up.
Fn + F7
Display output on the computer display, an attached external monitor, or both. Pressing this combination causes the display to go from the computer display to the external monitor, then to both together, and then to the computer display again. Note: This function is not supported when the computer is in large desktop mode or when the computer output is driven by the secondary CRT controller.
Fn + F8
Switch the computer screen size between expanded and normal mode if your screen image is smaller than the physical display. Note: This function is not supported in Windows 2000.
Fn + F9
Turn hibernation mode on. To return to normal operation, press the power button for less than four seconds.
Fn + F10
Gives the same function as pressing the print screen key.
Fn + F11
Gives the same function as pressing the scroll lock key.
Fn + Spacebar
Enable or disable the FullScreen Magnifier function.
Fn + Insert
The volume decreases.
Fn + Delete
The volume increases.
Fn + Backspace
The sound is muted.
Fn + -
Gives the same function as pressing the numeric lock key.
Fn +
Page up.
Fn +
Page down.
Fn + <
Gives the same function as pressing the home key.
Fn + >
Gives the same function as pressing the end key.
Fn + =
Gives the same function as pressing the break key.
Fn + Left shift
Gives the same function as pressing the caps lock key.
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