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Special keys and buttons
Your computer has several special function keys and buttons to help you work more easily and effectively.
Function key combinations
To use the Fn function key combinations, press and hold the Fn key 1 ; then press one of the function
keys 2 . Release both keys.
Volume and mute buttons
To quickly adjust the volume of the sound from your computer, mute the sound entirely, or set the
microphone to mute, press one of the following key combinations.
• Fn+Esc: Speaker mute
• Fn+F1: Speaker volume down
• Fn+F2: Speaker volume up
• Fn+F3: Microphone mute
Note: If you mute the sound before you turn off the computer, the sound will remain muted when you
turn on your computer again. To unmute the sound, press the speaker volume up or speaker volume
down key combination.
Power conservation
• Fn+F4
Put your computer into sleep mode. To return to normal operation, press the Fn key only.
If you want to use the combination to put the computer into hibernation mode, you need to change your
power plan settings. To access power plan settings, do the following:
• For Windows 7: Start the Power Manager program and then click the Power Plan tab. For instructions on
how to start the Power Manager program, see “Accessing Lenovo programs on the Windows 7 operating
system” on page 13
.
• For Windows 8: Right-click the battery status icon from the Windows notication area and click Power
Options. Then click Change plan settings that is next to your power plan.
Chapter 2. Using your computer 21