Toshiba Satellite Pro PSLS4A Users Manual AU/NZ - Page 170
Volume control, External monitor, Check within the Windows Device Manager
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Troubleshooting Problem Annoying sound is heard Procedure Check within the Windows Device Manager application to ensure the sound function is enabled. If you are still unable to resolve the problem, contact your reseller, dealer or service provider. 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 when Windows is turned on or turned off. If you are still unable to resolve the problem, contact your reseller, dealer or service provider. Volume control Problem No sound is heard Annoying sound is heard Procedure Adjust the volume control. Turn the dial clockwise to increase the volume and turn the dial counter clockwise to decrease the volume. Turn the volume control while verifying the volume in order to adjust. Volume cannot be adjusted when Windows is turned on or turned off. If you are still unable to resolve the problem, contact your reseller, dealer or service provider. External monitor Please also refer to Chapter 8, Optional Devices, 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. User's Manual 9-18