Here is a YouTube video about Selecting the Connection.
1. Open The Machine Operating Software (OS) on your computer.
- Turn your machine On.
- Make sure you are using the Advanced OS.
- Select Tools > Options > Ethernet.
- Select the Ethernet adapter that is connected to your machine(s). You can find the name of it in the adapter list in Control Panel
6. Check the Force Download box.
7. Click Apply and OK.
If the machine(s) still do not connect, follow these additional steps: https://melco.zendesk.com/hc/en-us/articles/360048673492-Machine-not-Detected-Not-Connecting-to-Computer-