HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 26

Left-side components - battery not charging

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Left-side components Component (1) ExpressCard slot (2) Security cable slot (3) Vent (4) External monitor port (5) Battery light (6) Power connector (7) RJ-45 (network) jack (8) HDMI port (9) USB port (1) Description Supports optional ExpressCards. Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it may not prevent the computer from being mishandled or stolen. Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Connects an external VGA monitor or projector. ● Amber: A battery is charging. ● Turquoise: 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 blinking rapidly. ● Off: If the computer is plugged into an external power source, the lights turn 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. Connects an AC adapter. Connects a network cable. Connects an optional HDMI device. Connects optional USB device. 18 Chapter 2 External component identification

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Left-side components
Component
Description
(1)
ExpressCard slot
Supports optional ExpressCards.
(2)
Security cable slot
Attaches an optional security cable to the computer.
NOTE:
The security cable is designed to act as a deterrent, but it
may not prevent the computer from being mishandled or stolen.
(3)
Vent
Enables airflow to cool internal components.
NOTE:
The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(4)
External monitor port
Connects an external VGA monitor or projector.
(5)
Battery light
●
Amber: A battery is charging.
●
Turquoise: 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
blinking rapidly.
●
Off: If the computer is plugged into an external power
source, the lights turn 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.
(6)
Power connector
Connects an AC adapter.
(7)
RJ-45 (network) jack
Connects a network cable.
(8)
HDMI port
Connects an optional HDMI device.
(9)
USB port (1)
Connects optional USB device.
18
Chapter 2
External component identification