I recently factory reset my pc and all of a sudden my laser and my pc arent cooperating. The laser and computer are hooked to my lan through a switch and lightburn recognizes the ip address i set on the laser (or came on the laser 
) either way, it matches up ip to ip per lightburn and the laser. Before this was flawless. I didnt even have to send the job to the printer. I just would hit start and we were off to the races. Now, when i hit start, moments after, an error will pop up that says something like “communication with the laser has failed”. I can click ok and the laser will literally be running the job during all of this. It can run for a solid 5 minutes like this, when all of a sudden it just sends the laser home. If i click “send” it immediately says “file transfer failed”. I have had this issue in the past when i was using lightburn bridge, but thats not the case anymore. The network is direct wired with ethernet, so we arent dealing with wireless at this point.
Assume this is the Ruida?
The Ruida has to have the file loaded to run, so there isn’t any communications that occur while it’s running a job. You will always get that it’s busy if it’s doing something and you try to talk to it.
I think you need to clarify if it’s talking to the Ruida at all or if it’s intermittent.
The Lightburn Bridge is actually more functional, aside from it being wireless, it has a layer of code in it help with bad communication from UDP communications that the Ruida uses.
I used a wireless bridge before the Lightburn Bridge made it’s appearance.
Yes ruida
Im not doing anything to it though. Once i hit start, i dont do anything more and the error still happens.
The bridge worked fine when it worked, my problem is that the wifi router is way on the other side of the house and even going through an extender, i got this same error “file transfer failed” when sending it to the laser. Only thing that i changed was the pc factory reset. So confused.
Maybe the pc is glitching out or something, because the factory reset kind of failed in the process. For some reason my pc (originally windows 7, now windows 10) has a communocation issue where it doesnt recognize my sd card slot at all. That got me working on it and then i noticed that windows wont upgrade to 11 because it says its missing some things. Upon trying to figure out where the missing items are, i decided to try to factory restart my pc like brand new and in the middle something failed and all the missing items are still not there. I used to be pc savvy back in the win xp and vista days, but then lost interest and didnt mess around with them for quite a while. Then, my kid got a chromebook and what a hunk of junk that was. I cant quite recall, but i think that laptop didnt have a dos shell or something like that. This further made me lose interest and now i feel like my parents when they needed help with their pc’s 
I don’t know if I can help much, I’m not a Windows person, I’ve run Linux based machines for at least a decade… I cringe when Windows needs to be used… 
You might just have to save all you can and re-install windows …
Good luck
To me the most likely culprit would seem to be a network collision or firewalling behavior of some kind.
I’d suggest reviewing all IP assignments and reservations and make sure there are no collisions on the network. I’d also suggest trying to disable any firewall or AV software that could be interfering with network traffic. Once you get it working reliably you could reintroduce components one at a time to sort out root cause and any necessary workaround.
Part of the video i watched for hooking the laser up the way I did, showed you making an elaborate ip address, as to not have a collision, but who knows, something could have easily changed. I will look into this.
Also, when you hit the start button in lightburn, a very quick prompt comes up saying “sending to laser” or something close to that. Is that not the same thing as hitting the send button? I know there wouldnt be 2 separate buttons, but… well… maybe…
The safest way to avoid a collision is to tell your router to bind the mac address of the laser to a specific IP address. On my linksys, with the lan map up, I can right click on the laser device and tell it to reserve (bind) that address to the device …
The Ruida needs the complete file uploaded to it, whereas the grbl machines have the data streamed.
On a Ruida, start will send the file and start it executing, whereas send just gets it to the controller… I use send, as I run the Ruida from it’s console…
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