I cannot connect lightburn to comgrow z1

Hi I have purchased a windows laptop. This will not connect using either Lightburn or RGBL.
And ideas on how to get the connection working.
From the app I can engrave so the the cutter does respond to WiFi connections.

Does any know if it’s possible to use putty to test connection?

Back to a previous question when you were trying to connect with Mac. Did you try different USB cables?

Do you hear the connection sound in windows when you plug and unplug the cable?

Hi we tried 2 different leads and also a usb 2.1 hub. The windows one has com3 active. I don’t think there was a sound when tried to send to the comgrow z1. I plugged into windows before starting grbl

I meant when you plug and unplug the cable from the PC, it should make a sound if there is an active connection regardless of what program is running.