Xbox Series X crashed and now won’t turn on

Was playing FC26 with my friends and my xbox crashed. It had crashed a few times with the screen flashing green before shutting off. This time it went completely black. I also now can’t turn it back on. There’s no issue with the outlet so it’s either the cord or the xbox. Should I send it to get repaired or look for a cord, if i send it, should i find a certain shop?