Product Description
Maintenance and Service Guide
1–29
3
Wireless button
Enables/disables an internal wireless
device.
Wireless light
On: an integrated wireless device is
hardware enabled.
4
Power button
When the computer is
■
Off, press to turn on the computer.
■
On, briefly press to initiate Hibernation.
■
In Standby, briefly press to resume
from Standby.
■
In Hibernation, briefly press to restore
from Hibernation.
Power light
■
On: Computer is turned on.
■
Blinking: Computer is in standby.
■
Off: Computer is off.
5
Volume down button
Decreases system volume.
6
Volume mute button
Mutes or restores volume.
Mute light
On: Volume is muted.
7
Volume up button
Increases system volume.
8
Num lock light
On: Num lock or the internal keypad is on.
Table 1-12
Top Components, Part 1
HP Compaq nx4820 and Compaq Presario V2400
(Continued)
Item
Component
Function
Содержание Compaq NX4820
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