Maintenance and Service Guide
Front
Component Description
(1) Wireless light On: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
NOTE: On some models, the wireless light is amber when
all wireless devices are o.
(2) Power light ● On: The computer is on.
● Blinking: The computer is in the Sleep state, a power-
saving state. The computer shuts o power to the
display and other unneeded components.
● O: The computer is o or in Hibernation.
Hibernation is a power-saving state that uses the
least amount of power.
(3) Battery light When AC power is connected:
● White: The battery charge is greater than 90 percent.
● Amber: The battery charge is from 0 to 90 percent.
● O: The battery is not charging.
When AC power is disconnected (battery not charging):
● Blinking amber: The battery has reached a low
battery level. When the battery has reached a critical
battery level, the battery light begins blinking
rapidly.
● O: The battery is not charging.
(4) Drive light ● Blinking white: The hard drive is being accessed.
● Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
(5) Speakers Produce sound.
18 Chapter 2 External component identication