Toshiba L70-B User Manual page 105

Problem
The "USB Wakeup
function" does not
work.
Sound system
In addition to the information in this section, also refer to the documentation
supplied with your audio device.
Problem
No sound is heard
Annoying sound is
heard
External monitor
Also refer to
your monitor for further information.
User's Manual
Procedure
When 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 Sleep and Charge function.
Procedure
Press the function keys to increase or decrease
volume.
Check the software volume settings.
Check to see if Mute is turned to Off
Check to make sure that the headphone
connection is secure.
Check within the Windows Device Manager
application to ensure that the sound device is
enabled and that the device is properly working.
In this instance, you might be experiencing
feedback from either the internal microphone or an
external microphone connected to the computer.
Refer to
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 with
Sound System and Video mode for further
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