Lenovo 3259AD9 Laptop User Manual


 
If you mute the sound and then turn off your computer, the sound will remain muted when you turn on your
computer again. To turn on the sound, press the Speaker volume up or Speaker volume down key.
Microphone mute (F4)
Press the microphone mute key to mute or unmute all of the recording devices.
Launching the camera and audio settings (F5)
If you press F5, the camera and audio settings window is opened and the camera preview is turned on.
From this window, you can change the camera and audio settings.
Display management keys
Switching the display output location (F6)
Press this key to switch between the computer display and an external monitor. The following options
will be displayed:
Computer display only (LCD)
Computer display and external monitor (same image)
Computer display and external monitor (the Extend desktop function)
External monitor only
Note: To switch between the computer display and an external monitor, the Windows+P key combination
also is available.
Display brightness down (F7)
When you press this key, the computer display becomes dimmer. The purpose of this method is to change
the brightness level temporarily. To change the default brightness level, use the Power Manager program, or
go into Control Panel Performance and Maintenance Power Options and make changes as desired.
Display brightness up (F8)
When you press this key, the computer display becomes brighter. The purpose of this method is to change
the brightness level temporarily. To change the default brightness level, use the Power Manager program, or
go into Control Panel Performance and Maintenance Power Options and make changes as desired.
Wireless radio control key (F9)
Press this key to enable or disable the built-in wireless networking features. When you press this key, a list of
wireless features is displayed. You can quickly change the state of each feature on the list.
Notes: If you want to use this button to enable or disable the wireless features, the following device drivers
must be installed on your computer beforehand:
Power Management driver
OnScreen Display Utility
Wireless device drivers
For detailed information on the wireless features, refer to “Wireless connections” on page 33
.
Multimedia controls
F10: Previous track/scene
24 User Guide