If your computer does not recognize the board, install the CH340 USB-to-Serial driver .
The is not just a file – it is your blueprint for a safe, high-performance 3D printer. The primary, authoritative, and most up-to-date link remains:
: Ensure A4988 or TMC2209 drivers are oriented correctly; reversing them will fry the board.
The board uses the CH340 serial chip. Ensure the CH340 USB driver is installed on your PC before attempting to connect via USB.
: Depending on your machine, you might need to update firmware on the MKS DLC V21 or your machine's control board. The manual should provide details on compatible software and firmware versions.
