Toshiba portege m400 User Manual

User’s Manual

9-17

Troubleshooting

i.LINK (IEEE1394) device

Modem

Refer to Appendix C, 

 and Appendix D, 

. 

i.LINK device does not 
function

Make sure the cable is securely connected to the 
computer and to the device.

Make sure the device’s power is turned on.

Reinstall the drivers. Open the Windows 
Control Panel and double-click the Add 
Hardware icon. Follow the on-screen 
directions.

Restart Windows.

If problems persist, contact your dealer.

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. Refer to 
Appendix C, 

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. Refer to 
Appendix C, 

Communication is cut 
off unexpectedly

The computer will automatically cut off 
communication when connection with the carrier 
is not successful for a set time interval. Try 
lengthening this time interval.

A CONNECT display is 
quickly replaced by NO 
CARRIER

Check the error control setting in your 
communications application.

You can also use the AT\N command. Refer to 
Appendix C,