Windows 10: Acer laptop won't start after updating

My laptop has needed to update for a few days so i selected update and restart in the start menu, and the update seemed to go like normal, until it restarted and was stuck on a black screen with a loading circle of dots. I thought the update was still going and taking ages so i left it over night, but it was still just on the black loading screen.


I've been trying for 2 hours this morning to fix it, following advice online for what worked for other people, but it wouldnt start in safe mode, and I tried system restore to a restore point from a couple days ago which looked like it was going to work and loaded everything, but when it came to restarting, it just went back to the black loading screen, but after trying everything multiple times, now whenever i start up the laptop it has the blue screen saying start up error and only takes me to the start up repair options, most of which dont work at all. At this point I'm worried if the reset option will even work. I dont have anything at all plugged into the laptop. What should I do?

:)

 

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