Action keys
An action key performs the function indicated by the icon on the key. To determine which keys are on your
product, see Special keys on page 11.
▲
To use an action key, press and hold the key.
Icon Description
Opens the “How to get help in Windows 10” webpage.
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
Switches the screen image between display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing this key alternates the screen image from the computer
display to the monitor display to a simultaneous display on both the computer and the monitor.
Turns the keyboard backlight o or on. On select products, you can adjust the brightness of the keyboard
backlight. Press the key repeatedly to adjust the brightness from high (when you rst start up the computer),
to low, to o. After you adjust the keyboard backlight setting, the backlight will revert to your previous
setting each time you turn on the computer. The keyboard backlight will turn o after 30 seconds of
inactivity. To turn the keyboard backlight back on, press any key or tap the TouchPad (select products only).
To conserve battery power, turn o this feature.
Mutes or restores speaker sound.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Plays the previous track of an audio CD or the previous section of a DVD or a Blu-ray Disc (BD).
Starts, pauses, or resumes playback of an audio CD, a DVD, or a BD.
Plays the next track of an audio CD or the next section of a DVD or a BD.
Turns the airplane mode and wireless feature on or o.
NOTE: The airplane mode key is also referred to as the wireless button.
NOTE: A wireless network must be set up before a wireless connection is possible.
12 Chapter 2 Getting to know your computer
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