I got a two trees TTS 10 pro, it was working fine with the program but since a couple of day is giving an issue about waiting for connection, tried everything i can or could find , like review the correct port update driver ETC, but nothing, , i have uninstalled and install the Lightburn and nothi…

Do this, close lightburn Right click your windows start menu > Device manager Expand ports Unplug laser Take screenshot Plug laser Take screenshot POst both please

with the laser unplug (looks that does not shows de port options) [image] laser plugged [image]

Interesting Notice when you was trying to connect to lightburn you had COM4 selected Now your machine is COM5 wonder what might have changed Can you retry lightburn connection but select com5 on your dropdown menu?

What change is that i tried another USB port on my laptop, looks that when i change the usb port change the number after COM, I already tried with al the 3 USB port that my laptop has ,each one provide a number COM4, COM5 and COM 6. and light burn will just show the COM that is connected [image…

what you get in console? And that behaviour is quite abnormal, a device is given the serial port number and should keep it regardless of which port is connected

[image] note: I just change the languages, for better understanding from Spanish to English

Something definitely wonky with your serial I would suggest connecting machine → right click in device manager → Uninstall and remove drivers then unplug and plug again. SEe what com port it finds and try to connect to that one in lightburn

In Edit > Device Settings, try toggling off ‘Enable DTR signal’.

I just did and show me the one com4, i also add the laser manually in LB, and looks that now is working properly I did a couple of try, going to keep doing it, because before it used to work for a couple of minute and then the issue come back., but now looks and feel really different to those time,…

The problem, happened again, and try this and it works immediately. Thank you very much as well. gonna keep doing test to confirm

LightBurn Software Forum

Problem with Waiting for connection

LightBurn Hardware Compatibility GRBL

grbl, two-trees-tts

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