HP ProBook 640 G2 Notebook PC, HP ProBook 645 G2 Notebook PC, HP ProBook 650 G2 Notebook PC and HP ProBook 655 G2 Notebook PC - Maintenance and Service Guide
Component Description
●
Blinking: The computer is in the Sleep state, a power-
saving state. The computer shuts o power to the
display and other unneeded components.
●
O: The computer is o or in Hibernation.
Hibernation is a power-saving state that uses the
least amount of power.
(3) Battery light When AC power is connected:
●
White: The battery charge is greater than 90 percent.
●
Amber: The battery charge is from 0 to 90 percent.
●
O: 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.
●
O: The battery is not charging.
(4) Drive light
●
Blinking white: The hard drive is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
18 Chapter 2 External component identication