Toshiba Satellite L750D User Manual - Page 161

Modem Troubleshooting This information is applicable to the models equipped with a built-in modem. Problem Procedure Communication software can't initialize modem Make sure the computer's internal modem settings are correct - please refer to the Phone and Modem Options link within the Windows Control Panel. You can hear a dial tone but can't make a call If the call is going through a Private Branch Exchange (PBX), take care to ensure that the communication application's tone dial detection feature is disabled. You place a call, but a Make sure that the settings are correct within connection can't be your communication application. made After making a call you Ensure that the communication application's tone can't hear a ring or pule dialling selection feature is set correctly. 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 within your communication application. A CONNECT display is Ensure that the communication application's quickly replaced by NO error control feature is set correctly. CARRIER Character display becomes garbled during a communication When transmitting data you should ensure that the parity bit and stop bit settings correspond with those of the remote computer - you should check the flow control and communication protocol settings within your communication application. You cannot receive an incoming call Ensure that the communication application's rings before auto answer feature is set correctly. If you are still unable to resolve the problem, contact your reseller, dealer or service provider. User's Manual 8-17