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Sound system, Monitor, Modem – Toshiba Portege M800 User Manual

Page 144

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User’s Manual

9-14

Troubleshooting

Sound system

Refer also to documentation for your audio devices.

Monitor

Refer also to Chapter 8,

Optional Devices

, 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.