HP Presario CQ45-300 Compaq Presario CQ45 Notebook PC - Maintenance and Servic - Page 16

Lights, External component identification

Page 16 highlights

Lights Component (1) Power lights (2)* (2) Battery light (3) Drive light (4) Caps lock light (5) Wireless light (6) Volume mute light (7) Volume down light Description ● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. ● 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. ● Blinking: The hard drive or optical drive is being accessed. ● On: HP ProtectSmart Hard Drive Protection has temporarily parked the internal hard drive. On: Caps lock is on. ● Blue: An integrated wireless device, such as a wireless local area network (WLAN) device and/or a Bluetooth® device, is on. ● Amber: All wireless devices are off. ● White: Computer sound is turned on. ● Amber: Computer sound is turned off. On: The volume scroll zone is being used to decrease speaker volume. 8 Chapter 2 External component identification

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Lights
Component
Description
(1)
Power lights (2)*
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 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.
(3)
Drive light
Blinking: The hard drive or optical drive is being accessed.
On: HP ProtectSmart Hard Drive Protection has temporarily
parked the internal hard drive.
(4)
Caps lock light
On: Caps lock is on.
(5)
Wireless light
Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
Amber: All wireless devices are off.
(6)
Volume mute light
White: Computer sound is turned on.
Amber: Computer sound is turned off.
(7)
Volume down light
On: The volume scroll zone is being used to decrease speaker
volume.
8
Chapter 2
External component identification