Laser not connecting to my NEJE Master 2 20W

My lightburn does not connect to my NEJE Master 2 20W laser. The com port (USB-Serial) is working fine. Any ideas. I see GRBL in the devices but does not find my laser.

Patrick, Iā€™m having the same problem as you describe.

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Jay, It turned out to be the power supply not fitting correctly in the power outlet. If it is Ok there should be a boot up light sequence on the mother board and the top red led will stay on. I thought this was OK initially because the fan on the laser used to spin randomly, but this was due to the poor connection. The company are sending me a 2 pin to 3 pin adaptor. All sorted and lasering away.

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Message from the vendor:
Please download the latest 5.5 software
https://wiki.nejetool.com/doku.php?id=nejelaser_master_2#focus

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