Tube not lighting up and no beam

I received a refurbished Glowforge 2 weeks ago, I’ve used this machine maybe 5 times. Sunday while I was using the Glowforge I noticed it was not cutting through so I changed my settings and I also gave it a cleaning. Each time I tried to cut I was seeing less and less of a light beam, and less cutting. It was brought to my attention the tube is no longer lighting up either. Is there anything I can do from home to try? I can not get support to reply and I’m paying too much money to have this type of equipment not working.! I have uploaded 2 different videos
FullSizeRender (1)|video FullSizeRender|video

I’m so sorry for the trouble with your replacement unit. I’m glad to see that we were able to get in touch with you via email about this. We’ll be in touch again there soon with next steps, so I’m going to close this thread.