Toshiba Satellite Pro S850 Series User Manual page 155

Problem
No sound is heard
Annoying sound is
heard
External monitor
Please also refer to Chapter 3,
supplied with your monitor for further information.
Problem
Monitor does not
turn on
User's Manual
Procedure
Adjust the volume.
To increase the volume click the volume up button,
and to decrease it click the volume down button.
Check the software volume settings.
Please check to see if Mute is turned to Off
Check to make sure the headphone connection is
secure.
Check within the Windows Device Manager
application to ensure the sound device is enabled
and that the device is properly working.
In this instance you may be experiencing feedback
from either the internal microphone or an external
microphone connected to the computer - please
refer to Sound System
Basics for further information.
Volume cannot be adjusted during Windows start
up or shut down.
If you are still unable to resolve the problem,
contact TOSHIBA Support.
Operating Basics, and to the documentation
Procedure
After confirming that the monitor's power switch is
on, you should check the connections to make
sure that the power cord/adaptor is firmly
connected to the monitor and to a working power
outlet.
in Chapter 3, Operating
6-16