Why is my laptop, tablet or PC’s audio muted once I connect to the ScreenBeam Receiver? Admin October 30, 2017 18:35 Follow Your laptop, tablet or PC is muted because the audio is now being broadcast on the TV. Related articles Video: How to connect, disconnect and remove a profile with the USB Transmitter 2 on Windows 7 I can't hear any audio or sound on my HDTV after ScreenBeam connection is established. I can't hear any audio or sound on TV after ScreenBeam connection is established. When watching a video, sometimes a horizontal line appears on the screen. ScreenBeam Mini2 Kit Quick Start Guide Comments 0 comments Please sign in to leave a comment.