PORTÉGÉ M780

Sound system

In addition to the information in this section, please also refer to the documentation supplied with your audio device.

Problem

Procedure

No sound is heard

Adjust the volume control dial.

 

 

 

Check the software volume settings.

 

 

 

Please check to see if Mute is turned to Off

 

 

 

Check to make sure the headphone connection

 

is secure.

 

 

 

Check within the Windows Device Manager

 

application to ensure the sound device is

 

enabled and that the device is properly working.

 

For further information, please refer to

 

“Troubleshooting in Windows” section of

 

Windows Help and Support.

 

 

Annoying sound is

In this instance you may be experiencing

heard

feedback from either the internal microphone or

 

an external microphone connected to the

 

computer - please refer to Sound System in

 

Chapter 4, Operating Basics, for further

 

information.

 

If you are still unable to resolve the problem,

 

contact your reseller, dealer or service provider.

 

 

Volume control dial

Problem

Procedure

No sound is heard

Adjust the volume control dial.

 

To increase the volume move the volume control

 

dial to the right, and to decrease it move the

 

volume control dial to the left.

 

Turn the volume control dial while verifying the

 

volume in order to adjust.

 

 

Annoying sound is

Volume cannot be adjusted during Windows start

heard

up or shut down.

 

If you are still unable to resolve the problem,

 

contact your reseller, dealer or service provider.

 

 

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User’s Manual