HP 7200 HP Pavilion dv4000 Notebook PCs, Compaq Presario V4000 Notebook PCs, a - Page 27

Product Description Table 1-8 Top Components Compaq Presario V4200 Models and HP Compaq nx7220 Item Component Function 1 Wireless button Turns the wireless functionality on or off, (select models only) 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 Mutes or restores volume. Volume mute light On: Volume is muted. 5 Volume up button Increases system volume. 6 Display switch Initiates standby when the computer is closed. Maintenance and Service Guide 1-21