To reset the HDMI handshake, follow these steps:
- Turn off both the TV and the AMBEO Soundbar.
- Disconnect the HDMI cable from both devices.
- Unplug the power from both devices and wait 2 minutes.
- Reconnect the HDMI cable to the TV first, then to the soundbar.
- Plug in the power cables for both devices.
- Turn on the TV first, then the AMBEO Soundbar.
- If the issue persists, check for TV firmware updates and reset the TV to factory defaults.