Specifications

speakers
To adjust the volume of the integrated speakers, press the volume control buttons or mute button.
Dell MediaDirect button
Press the Dell MediaDirect button to launch Dell MediaDirect (see UsingDellMediaDirect™).
keyboard status lights
The blue lights located above the keyboard indicate the following:
Digital Microphones
Digital directional microphones for conferencing and chat.
Turn the volume down.
Play the next track.
Turn the volume up.
Stop.
Play or pause.
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Dell MediaDirect button
Turns on when the numeric keypad is enabled.
Turns on when the Caps Lock function is enabled.
Turns on when the scroll lock function is enabled.