Toshiba NB205 Series User Manual page 105

External Monitor
Refer also to Chapter 8,
documentation.
Problem
Monitor does not turn
on
No display
Display error occurs
Sound system
Problem
No sound is heard
User's Manual
Optional Devices, and to your monitor's
Procedure
Make sure that the external monitor's power
switch is on. Confirm that the external monitor's
power cable is plugged into a working power
outlet.
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.
Check that the cable connecting the external
monitor to the computer is attached firmly.
If problems persist, contact your dealer.
Procedure
Check the software volume settings.
Make sure the headphone connection is secure.
Check Sound Preferences. Make sure the sound
function is enabled and that settings for I/O
address, Interrupt level and DMA are correct for
your software and do not conflict with other
hardware devices that you may have connected
to the computer.
If problems persist, contact your dealer.
Troubleshooting
9-10