beautypg.com

Sound system, External monitor – Toshiba Satellite U200 User Manual

Page 183

background image

User’s Manual

9-17

Troubleshooting

Sound system

Refer also to documentation for your audio devices.

External monitor

Refer also to Chapter 8,

Optional Devices

, and to your monitor’s

documentation.

Problem

Procedure

No sound is heard

Adjust the volume control dial.

Check the software volume settings.

Make sure the headphone connection is secure.

If problems persist, contact your dealer.

Check Windows Device Manager. Make sure the

sound function is enabled and that settings for

I/O address, Interrupt level and DMA are correct

for your software and do not conflict with other

hardware devices that you may have connected

to the computer.

Annoying sound
is heard

You may be experiencing feedback. Refer to

Sound system

in Chapter 4,

Operating Basics

.

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

LCD.

Display error occurs

Check that the cable connecting the external

monitor to the computer is attached firmly.
If problems persist, contact your dealer.