Chapter 6. Special Keys - Lenovo ThinkPad Edge E525 Hardware Maintenance Manual

Chapter 6. Special keys

The computer comes with several special keys at the upper row of the keyboard. To use each function,
directly press the desired key.
The following table explains the function of each special key.
Table 7. Special keys
Special key
Speaker mute (F1)
Speaker volume
down (F2)
Speaker volume up
(F3)
Microphone mute
(F4)
Launching the
camera and audio
settings (F5)
Switching the display
output location (F6)
Display brightness
down (F7)
Display brightness up
(F8)
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Description
If you mute the sound and then turn off the computer, the sound will remain muted when you
turn on the computer again. To turn on the sound, press the speaker volume up or speaker
volume down key.
Press the microphone mute key to mute or unmute all of the recording devices.
If you press F5, the camera and audio settings window will open and the camera preview is
turned on. From this window, you can change the camera and audio settings.
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 is also available.
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.
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.
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