computer does not have a volume control knob, however, you can
control volume by pressing the PgUp ( ) or PgDn ( ) key.
For more information about your computer
User's Reference
.
Note: The value you set with the volume control knob or the Fn +
PgUp or PgDn key combination is the maximum or minimum
value of the volume.
Setting the volumes with device drivers
The volume is also controlled by each device, and you can set it for
each device.
Double-click the small speaker icon ( ) at the bottom right of the
Windows desktop.
or
Click Start; move the cursor to Program, Accessories,
Entertainment; and click Volume Control.
A “Master” window similar to the following appears:
After you make any changes, exit the “Master” window.
Note: Dock In and ZV Port are set to mute by default. To use these
functions, clear check boxes.
10 IBM ThinkPad 570 Online Book