Hi @guerin58,
Welcome to the Roku Community!
We understand you're having a problem with the Roku streambar. We're glad to help you. Please check to see if any sound or volume modes are enabled. You can also try a different HDMI cable, and if you're using an optical cable from the TV to the streambar, you might try a different one as well.
Let us know how it works!
Kind regards,
John
John
Roku Community Moderator