Lenovo U400 Laptop User Manual


 
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Lenovo IdeaPad U300/U300s/U400
Function key combinations
The following table shows the function of each combination of function key.
Table 3. Fn key combinations
Key combination Description
Fn + PrtSc: pop-up CD/DVD disk (U400 only).
Fn + Home: Activate the pause function.
Fn + End: Activate the break function.
Fn + PgUp: Enable/Disable the scroll lock.
Fn + PgDn: Activate the insert function.
Table 4. Hotkey
: Mute/Unmute the sound.
: Quick decrease volume level.
: Quick increase volume level.
: Close same function for main and secondary function.
: Refresh same function for main and secondary function.
: Enable/Disable the touchpad.
:
Open the interface for integrated wireless devices settings
(on/off).
: Enable/Disable the microphone.
: Turn on/off the integrated camera.
:
Open the interface for the display device switch to select
this notebook or an external display.
: Decrease display brightness.
: Increase display brightness.
Note: In the Hotkey mode, press Fn + F1~F12 to achieve the functions of
F1~F12.