HP ProBook 645 G4 Maintenance And Service Manual page 17

Component
(6) RJ-45 (network) jack/status lights
(7) External monitor port (select products only)
(8) Docking connector
(9) MicroSD memory card reader
(10) Battery light
(11) Power connector
Description
Connects a network cable.
Green (left): The network is connected.
●
● Amber (right): Activity is occurring on the network.
Connects an external VGA monitor or projector. Select products
may include an optional serial port.
Connects an optional docking device.
Reads optional memory cards that store, manage, share, or
access information.
To insert a card:
1. Hold the card label-side up, with the connectors facing the
computer.
2. Insert the card into the memory card reader, and then
press in on the card until it is firmly seated.
To remove a card:
Press in on the card, and then remove it from the memory
▲
card reader.
When AC power is connected:
● White: The battery charge is greater than 90 percent.
● Amber: The battery charge is from 0 to 90 percent.
● Off: The battery is not charging.
When AC power is disconnected (battery not charging):
Blinking amber: The battery has reached a low battery
●
level. When the battery has reached a critical battery level,
the battery light begins blinking rapidly.
● Off: The battery is not charging.
Connects an AC adapter.
Right 7