Compaq Presario A900 Compaq Presario A900 Notebook PC - Maintenance and Servic - Page 14

Top components, Buttons, lights, and speakers - turn on wireless

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Top components Buttons, lights, and speakers Item (1) (2) Component Speakers (2) Wireless button (3) Caps lock light (4) Wireless light (5) Drive light (6) Battery light (7) Power light Description Produce sound. 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. On: Caps lock is on. ● Blue: An integrated wireless device, such as a WLAN device, is turned on. ● Amber: An integrated wireless device is turned off. Blinking: The hard drive or optical drive is being accessed. ● 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. ● On: The computer is on. ● Blinking: The computer is in the Sleep state. ● Off: The computer is off or in Hibernation. 6 Chapter 2 External component identification

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Top components
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.
6
Chapter
2
External component identification