Toshiba DX 730 User Manual page 121

Problem
External devices
connected to the
compatible ports do
not work when
connected to a
compatible port.
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
User's Manual
Procedure
Some external devices may not work when
connected to a compatible port if the Sleep and
Charge function is enabled.
Reconnect the external device after turning the
computer ON.
If the external device still does not work, connect
device to an USB port that does not have the
Sleep and Charge function or change to disable
the Sleep and Charge function.
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
Adjust the volume.
To increase the volume, press the volume up
button, and to decrease it press 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.
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