Are you trying to connect a specific type of device (e.g., RS-232, parallel port)?

If the ASMedia Bridge itself has an error code, Windows cannot see anything plugged into it. You must fix the bridge driver first.

What are you trying to connect to via the serial port?

Windows 10 often requires manual intervention or driver updates for ASMedia chipsets. Follow these steps to resolve the issue. 1. Check Device Manager Right-click the Start menu and select .