First, please check the connection of your devices and XScreen. Make sure you are using the right cable for connection and it is perfectly connected.If there is no problem with the connection, you need to check the power supply for XScreen. When power supply is not stable, you will get static on your screen. This will easily happened when you are using one Type-C cable for both power supply and data signal. Some of the devices like mobile phone and tablets are not able to generate a stable power supply for XScreen. Therefore, you need to get an extra power supply for it.