Front
Component
(1)
(2)
(3)
(4)
8
Chapter 2 External component identification
Wireless light
Power light
AC adapter/Battery light
Drive light
Description
●
White: An integrated wireless device, such as a
wireless local area network (WLAN) device is on.
●
Amber: All wireless devices are off.
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state.
●
Off: The computer is off.
●
White: The computer is connected to external
power and the battery is charged from 90 to 99
percent.
●
Amber: The computer is connected to external
power and the battery is charged from 0 to 90
percent.
●
Blinking amber: A battery that is the only
available power source has reached a low
battery level. When the battery reaches a critical
battery level, the battery light begins blinking
rapidly.
●
Off: The battery is fully charged.
●
Blinking white: The hard drive or optical disk
drive is being accessed.