Sometimes the following problems will be encountered during automatic configuration:
One of the screens remains black.
There is the same display on all screens.
In this case, you can set the screens manually:
Go to User Interface > Display in the Configuration tree.
Select a screen number under Selected screen.
Specify the resolution manually under Resolution.
The standard resolution setting is Autodetect.
Select for all screens the respective connector under Monitor. The manual configuration can take effect only, if you assign the monitor connector to all screens.
If you adjust the settings directly in the setup, only the connected monitors are available in the selection box. If you want to configure the screens using the UMS profile, you will be given a long list of all possible connectors in the selection box and you will not know which one is relevant for your device.
Tip:
Click Identify monitors in your client setup to obtain information about the connector names, screen resolutions and screen numbers.
This configuration cannot be accessed from the UMS.
The black field belongs to the screen number on the left side:
