Stopped dead while using; Power cord light goes out when connected

I used my Dell G5 15 5500 (purchased in November 2020) mostly for Minecraft and email... a little bit of surfing. It was pretty much plugged in all the time. I was surfing and it stopped working without warning. Tried turning on again but no signs of life... no screen, no keyboard lights, nothing, not even life enough to try POST. I tried unplugging power cord, waited, plugged it in and it looked like there was a spark when the cord was plugged in - also the blue light on the power cord goes out as soon as it is plugged into laptop. I thought it was a bad power cord/brick so ordered a new one. New cord had same result except no spark.... and new power cord blue light also goes out when connected to laptop. Laptop still dead. Holding power button down for at least 15 seconds shows no signs of life. I think this happened within a day of some sort of update, maybe windows update but not sure what type. Does this make any sense?! This has been a great computer for me and still had lots of useful life left, heh, until there wasn't any life at all! Has this happened to anyone else? Thanks