Toshiba Satellite U930 Series User Manual page 85

Problem
The "USB Wakeup
function" does not
work.
Sound system
In addition to the information in this section, please also refer to the
documentation supplied with your audio device.
Problem
No sound is heard
Annoying sound is
heard
External monitor
Please also refer to
with your monitor for further information.
User's Manual
Procedure
When "System ON CDP Charge Mode" or "USB
Sleep and Charge function" is enabled, the "USB
WakeUp" function does not work for ports that
support the Sleep and Charge function.
In that case, use an USB port that does not have
the USB Sleep and Charge function or change to
disable both "System ON CDP Charge Mode" and
"USB Sleep and Charge function".
Procedure
Press the function keys to increase or decrease
volume.
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 and Video mode
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 supplied
for further
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