Nail the video conference, there are cases where you can't see the host's picture and can only hear the sound. When you encounter a video conference black screen, first check whether your network is normal and ensure that your mobile phone and network are in normal condition.
1. First, open the nail main interface and click to enter the video conference.
2. The pop-up option is video conference.
3. Check whether the camera is turned on in the meeting interface, and click Open. If the screen is still blank after opening, exit the nail and re-enter the video conference.
4. If it is still a black screen, you can click to open the nail setting interface.
5. Select about nailing in the setting interface.
6. Update the nail to the latest version, and then hold a video conference, and the problem will be solved.