Most external monitors receive video information from the computer using the external VGA video standard. The fn+f4 hotkey can also alternate images among other devices receiving video information from the computer.
The following video transmission types, with examples of devices that use them, are supported by the fn+f4 hotkey:
●LCD (computer display)
●External VGA (most external monitors)
●HDMI (televisions, camcorders, DVD players, VCRs, and video capture cards with HDMI ports)
Muting speaker sound
Press fn+f7 to mute speaker sound. Press the hotkey again to restore speaker sound.
Decreasing speaker sound
Press fn+f8 to decrease speaker sound. Hold down the hotkey to decrease speaker sound incrementally.
Increasing speaker sound
Press fn+f9 to increase speaker sound. Hold down the hotkey to increase speaker sound incrementally.
Playing the previous track or section of an audio CD or a DVD
While an audio CD or a DVD is playing, press fn+f10 to play the previous track of the CD or the previous section of the DVD.
Playing, pausing, or resuming an audio CD or a DVD
The fn+f11 hotkey functions only when an audio CD or a DVD is inserted.
●If the audio CD or the DVD is not playing, press fn+f11 to begin or resume the play.
●If the audio CD or the DVD is playing, press fn+f11 to pause the play.
Playing the next track or section of an audio CD or a DVD
When an audio CD or a DVD is playing, press fn+f12 to play the next track of the CD or the next section of the DVD.
Using the keypads
The computer has an embedded numeric keypad and also supports an optional external numeric keypad or an optional external keyboard that includes a numeric keypad.
Using the keypads 23