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Front components
Item Component Function
(1) Power light
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state.
●
Off: The computer is off or in Hibernation.
(2) Battery light
●
On: A battery is charging.
●
Blinking: A battery that is the only available power
source has reached a low battery level. When the
battery reaches a critical low battery level, the battery
light begins blinking rapidly.
●
Off: If the computer is plugged into an external power
source, the light is turned off when all batteries in the
computer are fully charged. If the computer is not
plugged into an external power source, the light stays
off until the battery reaches a low battery level.
(3) Drive light Blinks when the hard drive or optical drive is being
accessed.
(4) Wireless switch Turns the wireless feature on or off, but does not create a
wireless connection.
NOTE: A wireless network must be set up in
order to establish a wireless connection.
(5) Wireless light
●
Blue: An integrated wireless device, such as a wireless
local area network (LAN) device and/or a Bluetooth®
device, is turned on.
●
Amber: All wireless devices are turned off.
(6) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.
(7) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television
audio.
*This table describes factory settings. For information about changing factory settings, refer to the user guides located in Help
and Support.
6Chapter 2 External component identification