If you are facing issues with your PC not being able to select the in-built microphone on your X340 PRO EVO do check and ensure the following:
- The monitor and PC/Laptop are connected via a USB-C connection
- If the PC/Laptop does not have a USB-C connection, use the included USB-B cable to connect the monitor to the PC
The above will allow your PC/Laptop to be detected as HDMI and DisplayPort connections are only able to transmit data for display.