Toshiba Qosmio X500 User Manual page 168

Sound system
Refer also to documentation for your audio devices.
Problem
No sound is heard
Monitor
Refer also to Chapter 8,
documentation.
Problem
Monitor does not turn
on
No display
Display error occurs
LAN
Problem
Cannot access LAN
Wireless LAN
If the following procedures do not restore LAN access, consult your LAN
administrator. For more information on wireless communication, refer to
Chapter 4,
Problem
Cannot access
Wireless LAN
User's Manual
Procedure
Check the software volume settings.
Make sure the headphone connection is secure.
If problems persist, contact your dealer.
Optional
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 for a firm cable connection between the
LAN jack and the LAN hub.
If problems persist, consult your LAN
administrator.
Operating Basics.
Procedure
Make sure the computer's wireless
communication switch is set to on.
If problems persist, contact your LAN
administrator.
Devices, and to your monitor's
Troubleshooting
9-15