I am use xibo client version 1.7.6 on vm and can not register displays a multi-screen

[alex]

I think you need to read this:

I added a new Player and it went straight to "Display is active and ready to start"? I'm using an imaged/cloned version of Windows and all my Players show up as the same display in the Xibo CMS?

The Windows .net Player uses a combination of identifiers from the Windows operating system to generate a unique identifier to register your Players with the Xibo CMS. Sometimes, if the installation of Windows on the computer has been cloned or “imaged” by your IT Department or the device manufacturer, the identity generated can be the same, which means that multiple Players appear in the CMS as a single Display. If this occurs, you can adjust the identifier that’s generated in the Display ID …