Solution
Yes, V1S can support HDMI with video and audio.
Here are the steps to set the HDMI Device:
1. Please connect the Notebook with the HDMI Device via HDMI cable.
2. Please right-click the Speaker Icon in the Notification area and choose Playback device to open the Sound window.
3. Please right-click the HDMI Device and choose the option “Set as Default Device”, referring the following picture:

4. Then you can get the picture as below:

Please also check whether the LCD device or Notebook is Mute.