Is it a brand new machine? My PC, which runs Windows, does the same thing. I've determined that it's actually an issue with the power supply. It has nothing to

Is it a brand new machine? My PC, which runs Windows, does the same thing. I've determined that it's actually an issue with the power supply. It has nothing to do with the operating system. I guess what I'm saying is, do some troubleshooting first before you blame it on Ubuntu.