Troubleshooting 
TOSHIBA A40 Series   918 
TOSHIBA A40 Series Version   
1
   Last Saved on 02/12/2003 17:24 
ENGLISH using  Euro_M.dot –– Printed on 02/12/2003 as IM_A40EN 
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. 
External Monitor 
Refer also to Chapter 8, Optional Devices, and to your monitor’s 
documentation. 
Problem Procedure 
Monitor does not turn 
on 
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. 
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. 
Display error occurs  Check that the cable connecting the external 
monitor to the computer is attached firmly. 
If problems persist, contact your dealer.