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If it still fails, use a serial monitor (e.g., Free Serial Port Monitor) to check if the tool sends any command. A working tool should at least send a handshake query (e.g., ?VER or *IDN? ). No response → wrong port, baud, or hardware failure. mks laser tool setup v112exe download work work
Identify the correct (check Device Manager for the CH340 driver) and set the baud rate—typically 250,000 or 115,200 depending on your specific board model. Select your firmware .bin file and click Start to flash. WiFi Configuration : Enter the WiFi Configuration tool within the app. Need help finding the for your specific laser engraver model