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Product Description
Maintenance and Service Guide 1–21
Table 1-8
Top Components
Compaq Presario V4200 Models and HP Compaq nx7220
Item Component Function
1 Wireless button
(select models only)
Turns the wireless functionality on or off,
but does not create a wireless connection.
✎
To establish a wireless connection, a wireless network must
already be set up.
2 Power button When the computer is
■ Off, press to start the computer.
■ On, briefly press to initiate hibernation.
■ In standby, briefly press to resume from
standby.
■ In hibernation, briefly press to restore
from hibernation.
✎
If the system has stopped responding and Windows
shutdown procedures cannot be used, press and hold for
at least 4 seconds to turn off the computer.
3 Volume down button Decreases system volume.
4 Volume mute button
Volume mute light
Mutes or restores volume.
On: Volume is muted.
5 Volume up button Increases system volume.
6 Display switch Initiates standby when the computer is
closed.