I am new to gaming PC's, so please forgive me if I say something dumb.
I was recently playing on my gaming pc and had gone to shut it down, when it came up to update my windows 10. I had let it update and then shut down my pc. After a while, I came back to play on my pc and when windows was booting up, it started to update again. Once it was finished, I had logged in and was met with a black screen. After a few minutes, I pressed the restart button on my pc case and let it boot up again. The same thing had happened. After hours of various troubleshooting and checking components, I