HP mt42 Maintenance and Service Guide - Page 23

Front, Locating system information

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Front Component (1) Wireless light (2) Power light (3) Battery light (4) Drive light Description 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. ● On: The computer is on. ● Blinking: The computer is in the Sleep state, a powersaving state. The computer shuts off power to the display and other unneeded components. ● Off: The computer is off. 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. Blinking white: The hard drive is being accessed. Locating system information Important system information is located on the bottom edge of the tablet or on the keyboard base. You may need the information when travelling internationally or when you contact support: (1): Serial number (2): Product number (3): Model number (4): Warranty period IMPORTANT: Check the following locations for the labels described in this section: the bottom of the computer, inside the battery bay, under the service door, or on the back of the display. Front 13

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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.
(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.
Locating system information
Important system information is located on the bottom edge of the tablet or on the keyboard base. You may
need the information when travelling internationally or when you contact support:
(1):
Serial number
(2):
Product number
(3):
Model number
(4):
Warranty period
IMPORTANT:
Check the following locations for the labels described in this section: the bottom of the
computer, inside the battery bay, under the service door, or on the back of the display.
Front
13