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Buttons, lights, and speakers
Item Component Description
(1)
Speakers (2) Produce sound.
(2)
Wireless button Turns the wireless feature on or off, but does not establish
a wireless connection.
NOTE: To establish a wireless connection, a wireless
network must already be set up.
(3)
Caps lock light On: Caps lock is on.
(4)
Wireless light
●
Blue: An integrated wireless device, such as a WLAN
device, is turned on.
●
Amber: An integrated wireless device is turned off.
(5)
Drive light Blinking: The hard drive or optical drive is being accessed.
(6)
Battery light
●
On: A battery is charging.
●
Blinking: A battery that is the only available power
source has reached a low battery level or a critical
battery level.
●
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.
(7)
Power light
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state.
●
Off: The computer is off or in Hibernation.
6Chapter 2 External component identification