China Laser 6040 CorelLaser Problem Connection

Hello.Im new in this great forum.
Before a year i bought from Aliexpress Co2 Laser Cutter/Engraver 60x90 80W with board LIHUIYU M2
The problem i have is the Motor Moves.and Execution of command from Corel Laser.The machine always say Disconnected
I added new mother board.new usb dongle from same machine.not works.
Even the producer support was conencted to my pc.and not fixed it.

The laser head moves when i power the laser.and automaticaly goes to the start position 0
Its look like the mother board works.
I tried to change in three diferent pc.but not sucess.
Anyone can help me on this