Toshiba toshiba satellite l550/ satellite pro l550/ satellite l550d/ satellite pro l550d series

Troubleshooting

Modem

This information is applicable to the models equipped with a built-in modem.

Problem	Procedure
Communication	Make sure the computer's internal modem
software can’t initialize	settings are correct. Please refer to the Phone
modem	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 connection can’t be made

Make sure that the settings are correct within your communication application.

After making a call you	Ensure that the communication application's tone
can’t hear a ring	or pulse dialling selection feature is set correctly.
Communication is cut	The computer will automatically cut off
off unexpectedly	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	When transmitting data you should ensure that
becomes garbled	the parity bit and stop bit settings correspond
during a	with those of the remote computer. You should
communication	check the flow control and communication
	protocol settings within your communication
	application.
You cannot receive an	Ensure that the communication application's
incoming call	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 9-21