Toshiba L755D 사용자 설명서

User’s Manual

8-17

Troubleshooting

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 

connection can’t be 

made

Make sure that the settings are correct within 

your communication application.

After making a call you 

can’t hear a ring 

Ensure that the communication application's tone 

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 

quickly replaced by NO 

Ensure that the communication application's 

error control feature is set correctly.

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.