HP 520 HP 520 Notebook PC - Maintenance and Service Guide - Page 13

External component identification, Front components

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2 External component identification Front components Item Component (1) Wireless antennae (select models only) (2) Battery light Function Send and receive signals from one or more wireless devices. These antennae are not visible from the outside of the computer. NOTE: To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. ● Amber: A battery is charging. ● Green: A battery is close to full charge capacity. ● 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 to blink rapidly. ● Off: If the computer is plugged into an external power source, the light turns 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. Front components 5

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2
External component identification
Front components
Item
Component
Function
(1)
Wireless antennae (select models only)
Send and receive signals from one or more wireless devices. These
antennae are not visible from the outside of the computer.
NOTE:
To see wireless regulatory notices, refer to the section of
the
Regulatory, Safety and Environmental Notices
that applies to
your country or region. These notices are located in Help and
Support.
(2)
Battery light
●
Amber: A battery is charging.
●
Green: A battery is close to full charge capacity.
●
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 to blink
rapidly.
●
Off: If the computer is plugged into an external power source,
the light turns 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.
Front components
5