How to troubleshoot no sound / audio with a Digital Box
Learn how to troubleshoot sound and audio issues with your cable box. If you are unable to hear the audio track of the program you are currently watching, it may because of something as simple as having the TV set to mute, or the audio settings being configured incorrectly.
To troubleshoot your TV sound, try the following fixes.
How to check if your TV is on mute
To check whether your TV is on mute:
Press the VOLUME UP button to ensure the volume has been turned up
Press the MUTE button on your Shaw Remote or the original remote that came with your television
How to reset the cable box
You can try to fix audio issues by resetting your cable box. To do this:
Power off your cable box.
Remove the power cable from the back of the unit and unplug the power from the wall or power bar.
Wait 30 seconds and then reconnect the black power cable. It will take between 30 seconds and 2 minutes for the cable box to reboot.