HP ProBook 6440b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 21

External component identification Buttons and fingerprint reader ✎ Refer to the illustration that most closely matches your computer. Item Component (1) Power button (2) QuickLook button (3) QuickWeb button (4) Wireless button (5) Volume mute button 2-6 Description ■ When the computer is off, press the button to turn on the computer. ■ When the computer is on, press the button to shut down the computer. ■ When the computer is in the Sleep state (Windows 7 and Windows Vista) or Standby (Windows XP), press the button briefly to exit Sleep or Standby. ■ When the computer is in Hibernation, press the button briefly to exit Hibernation. If the computer has stopped responding and Windows shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer. To learn more about your power settings, select one of the following: ■ In Windows 7 and Windows Vista: select Start > Control Panel > System and Maintenance > Power Options. ■ In Windows XP: select Start > Control Panel > Performance and Maintenance > Power Options. ■ When the computer is off, press the button to open HP QuickLook. ■ When the computer is on, press the button to open Software Setup. ✎ If Software Setup is not available, the default Web browser opens. ■ When the computer is off, press the button to open HP QuickWeb. ■ When the computer is on, press the button to open the default Web browser. Turns the wireless feature on or off but does not establish a wireless connection. Mutes and restores speaker sound. (Continued) Maintenance and Service Guide