Toshiba Satellite L645D PSK0QC Users Manual Canada; English - Page 164

Sound system, External monitor

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Troubleshooting 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. To increase the volume click the volume up button, and to decrease it click the volume down button. 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 heard In this instance you may be experiencing 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. Volume cannot be adjusted during Windows start up or shut down. If you are still unable to resolve the problem, contact your reseller, dealer or service provider. External monitor Please also refer to Chapter 3, Hardware, Utilities and Options, and to the documentation supplied with your monitor for further information. Problem Procedure Monitor does not turn on After confirming that the monitor's power switch is on, you should check the connections to make sure that the power cord/adaptor is firmly connected to the monitor and to a working power outlet. No display Try adjusting the contrast and brightness controls on the external monitor. User's Manual 8-16

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User’s Manual
8-16
Troubleshooting
Sound system
In addition to the information in this section, please also refer to the
documentation supplied with your audio device.
External monitor
Please also refer to Chapter 3,
Hardware, Utilities and Options
, and to the
documentation supplied with your monitor for further information.
Problem
Procedure
No sound is heard
Adjust the volume.
To increase the volume click the volume up
button, and to decrease it click the volume down
button.
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
heard
In this instance you may be experiencing
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.
Volume cannot be adjusted during Windows start
up or shut down.
If you are still unable to resolve the problem,
contact your reseller, dealer or service provider.
Problem
Procedure
Monitor does not turn
on
After confirming that the monitor's power switch
is on, you should check the connections to make
sure that the power cord/adaptor is firmly
connected to the monitor and to a working power
outlet.
No display
Try adjusting the contrast and brightness controls
on the external monitor.