Front
Component
Description
(1)
Wireless light
On: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
NOTE:
On some models, the wireless light is amber when
all wireless devices are off.
(2)
Power light
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state, a power-
saving state. The computer shuts off power to the
display and other unneeded components.
●
Off: The computer is off 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.
●
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.
(4)
Drive light
●
Blinking white: The hard drive is being accessed.
●
Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
16
Chapter 2 External component identification
Содержание ELITEBOOK 840 G4
Страница 1: ...HP EliteBook 840 G4 Notebook PC HP EliteBook 848 G4 Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Important Notice about Customer Self Repair Parts ...
Страница 6: ...vi Safety warning notice ...
Страница 10: ...x ...
Страница 59: ...10 Remove the keyboard 8 Reverse this procedure to install the keyboard Component replacement procedures 49 ...