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Lenovo B550
Fn key combinations
The following table shows the function of each combination of Fn with a
function key.
Table 4. Fn key combinations
Key combination Description
Fn + F1:
Enter sleep mode.
Fn + F2:
Turn on/off the backlight of the LCD screen.
Fn + F3:
Shift to other connected display devices.
Fn + F4:
Open the interface for display resolution settings.
Fn + F5:
Open the interface for integrated wireless devices settings
(enable/disable).
Fn + F8:
Enable/Disable the touchpad.
Fn + F9:
Start/Pause playback of Windows Media Player.
Fn + F10:
Stop playback of Windows Media Player.
Fn + F11:
Skip to the previous track.
Fn + F12:
Skip to the next track.
Fn + Delete
Enable/Disable the scroll lock.
Fn + PrtSc:
Activate the system request.
Fn + Pause:
Activate the break function.
Fn + / :
Increase/Decrease display brightness.
Fn + / :
Increase/Decrease sound volume.
