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Maintenance and Service Guide 1–21
Table 1-8
Top Components, Compaq Presario V4000 Models
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/standby button When the notebook is
■ Off, press to start the notebook.
■ 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 notebook.
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 notebook is
closed.