HP ZBook 15 G2 Mobile Workstation Maintenance and Service Guide
Component Description
(5) num lk key Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(6) Integrated numeric keypad When num lk has been enabled, it can be used like an external
numeric keypad.
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 o.
(2) Power light
●
On: The computer is on.
●
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.
NOTE: For select models, the Intel® Rapid Start
Technology feature is enabled at the factory. Rapid Start
Technology allows your computer to resume quickly from
inactivity.
(3) AC adapter/Battery light
●
White: The computer is connected to external power
and the battery is charged from 90 to 99 percent.
●
Amber: The computer is connected to external power
and the battery is charged from 0 to 90 percent.
●
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.
●
O: The battery is fully charged.
(4) Hard drive/optical drive light
●
Blinking white: The hard drive or optical drive is being
accessed.
●
Amber: HP 3D DriveGuard has temporarily parked the
hard drive.
12 Chapter 2 External component identication