Overview
M1 Macbooks cannot connect to meeting room displays through USB-C connection
Solution (If appropriate)
Use a USB-C to HDMI adapter and the HDMI input.
Symptoms
Connecting a M1 Macbook to the USB-C connection in an enhanced classroom or meeting room will result in a blank screen. On the Macbook, you will see both screens diplayed as the laptops screen.
Work-Around
Use a USB-C to HDMI adapter and the HDMI input.