Toshiba PT930 用户手册

Refer also to documentation for your audio devices.

No sound is heard

Adjust the volume control dial.

Check the software volume settings.

Make sure the headphone connection is secure.
If problems persist, contact your dealer.

Annoying sound

You may be experiencing feedback. Refer to

is heard 

 in Chapter 4, Operating

If problems persist, contact your dealer.

, and to your monitor’s documentation.

Monitor does not

Make sure that the external monitor’s power

turn on

switch is on. Confirm that the external monitor’s
power cable is plugged into a working power
outlet.

No display

Try adjusting the contrast and brightness controls
on the external monitor.

Press hot keys Fn + F5 to change the display
priority and make sure it is not set for the internal
display.