Product Description

Table 1-8

Top Components, Compaq Presario R4000 (Continued)

Item

Component

Function

 

 

 

3

Wireless button (select

Turns the wireless functionality on or off,

 

models only)

but does not create a wireless connection.

 

 

To establish a wireless connection,

 

 

a wireless network must already be

 

 

set up.

 

 

 

4

Power/standby button

When the notebook is

 

 

Off, press to turn on 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 Microsoft Windows

 

 

shutdown procedures cannot be

 

 

used, press and hold for at least

 

 

4 seconds to turn off the notebook.

 

 

 

5

Volume down button

Decreases system volume.

 

 

 

6

Volume up button

Increases system volume.

 

 

 

7

Volume mute button

Mutes or restores volume.

 

 

 

8

Display switch

If the notebook is closed while on, initiates

 

 

standby.

 

 

 

9

Num lock light

On: Num lock is on or the embedded

 

 

numeric keypad is enabled.

 

 

 

Maintenance and Service Guide

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