Windows HP stuck on the starting windows screen!

I have a windows HP. For a month it was fine and then it started crashing randomly. When I managed to start it back up, It was like it had restarted. I was going to take it in for repairs, but before I could do so, right after It crashed, and I had botted it up again, It got stuck on the starting windows screen, I just carried it to another room and I waited for a few minutes but still stuck on it! I am unable to restart It just keeps staying on there I might have to try just pulling out the plug and let it run out of battery, but I wanted some advice first.
Please help me!
 
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