Toshiba X770 PSBY5C-01J00Q Users Manual Canada; English - Page 143
Sound system, External monitor, Check within the Windows Device Manager
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Problem The "USB Wakeup function" does not work. Qosmio X770/X775 Procedure When Sleep and Charge function is enabled, the "USB WakeUp" function does not work for ports that support the Sleep and Charge function. In that case, use a USB port that does not have the USB Sleep and Charge function-compatible icon ( ) or change to disable Sleep and Charge function. 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. 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 3, 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 TOSHIBA Support. External monitor Please also refer to Chapter 3, Operating Basics, and to the documentation supplied with your monitor for further information. User's Manual 6-14