If you want to connect the screen to a hidden network, you can use the steps below to set this up.
Go to the settings of the screen by clicking on the gear icon.
Go to Connectivity and then to WiFi.
Click on Advanced.
Click on Internet
Then click on + Add network
Click on Advanced options
Then you can set Hidden Network to Yes.
After this, you can enter the name of the hidden network and select the security.
After you have entered the network details, click on Save.
The screen is now connected to the hidden WiFi network.