Windows 10 and 11 often reject older Prolific serial drivers. You may need to manually roll back to a legacy driver version (such as version 3.3.2.102) to restore functionality to cheap USB adapters.
The hardware ID written into the header of your firmware file does not match the internal ID registered on your ALi system board. ali rs232 upgrade tool download better
This issue points to a baud rate mismatch or a poor-quality USB-to-serial driver. Lower the bitsrate setting in both Device Manager and the Ali Tool to 57600 or 38400 to improve connection stability over longer cables. Windows 10 and 11 often reject older Prolific serial drivers