Toshiba Satellite 2450 - Manual (Page 180)

User's Manual
T
ROUBLESHOOTING
9-20
Sound system
Refer also to documentation for your audio devices.
Problem Procedure
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 Using the microphone in Chapter 4, Operating
Basics.
If problems persist, contact your dealer.
Monitor
Refer also to Chapter 8, Optional Devices , and to your monitor’s documentation.
Problem Procedure
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.