HP ProBook 6550b Maintenance And Service Manual page 28

Item Component
(2) QuickLook button
(3)
QuickWeb button
(4) Wireless button
(5) Volume mute button
(6) Volume down button
(7) Volume up button
(8) Calculator button (select models only)
(9) Fingerprint reader
20 Chapter 2 External component identification
Description
When the computer is off, press the button to open
●
HP QuickLook.
When the computer is on, press the button to open
●
Software Setup.
NOTE:
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.
Decreases computer volume.
Increases computer volume.
Opens the Windows calculator feature.
Allows a fingerprint logon to Windows, instead of a
password logon.