Hello,
Here are some steps you can take to resolve this issue:
First, check the display settings on the Gnome46 system. Make sure that the display settings are set to allow remote connections. You can also try adjusting the display settings on the Microsoft Remote Desktop client to see if that resolves the issue.
Besides, you can try updating the Microsoft Remote Desktop client to the latest version or reinstalling the application. Also, check if there are any updates available for the Gnome46 system.
If the issue persists, please provide more details about the issue, such as error messages or any other symptoms you are experiencing, so that we can better assist you.
Best regards