Toshiba L310 Manual Do Utilizador

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User’s Manual
9-17
Troubleshooting
Monitor
Refer also to Chapter 8, 
, and to your monitor’s 
documentation. 
Modem
Problem 
Procedure
No sound is heard 
Check the software volume settings. 
Make sure the headphone connection is secure. 
If problems persist, contact your dealer. 
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. 
Problem 
Procedure
Communication 
software can’t initialize 
modem 
Make sure the computer's internal modem 
settings are correct. Refer to Phone and Modem 
Properties in the Control Panel. 
You can hear a dial tone 
but can’t make a call 
If the call is going through a PBX machine, make 
sure the communication application’s tone dial 
detection feature is disabled. 
You can also use the ATX command. 
You place a call, but a 
connection can’t be 
made 
Make sure the settings are correct in your 
communications application. 
After making a call you 
can’t hear a ring 
Make sure the tone or pulse selection in your 
communications application is set correctly. 
You can also use the ATD command.