Try CTRL+ALT+BREAK, you should have full screen for remote desktop. Then use CTRL+ALT+BREAK, you will have the full screen of the local desktop with small
virtual desktop icon.
To create a Remote Desktop shortcut for a PC in Windows 10, do the following.
Right click the empty space on your Desktop. Select New - Shortcut in the context menu (see the screenshot).
In the shortcut target box, type the following: mstsc.exe /v:computer-name.
Use any name you want for the shortcut.