HP Pavilion dv3-2202tu Entertainment Notebook PC - Manual (Page 13)

Component Description
(5) Volume up light On: The volume scroll zone is being used to increase speaker
volume.
(6) Num lock light On: Num lock is on or the embedded numeric keypad is enabled.
(7) Wireless light ● On: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
● Off: All wireless devices are off.
(8) 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 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.
(9) Drive light Blinking: The hard drive or optical drive is being accessed.
*The 2 power lights display the same information. The light on the power button is visible only when the computer is open. The
power light on the front of the computer is visible whether the computer is open or closed.
Buttons and fingerprint reader (select models only)
Identifying the hardware 3