not reading ssd

[I use Google Translate, so please forgive any mistakes] I have a big problem, God bless the one who helps me find a solution. (Pre-story: yesterday I opened my laptop as usual, and the system offered me to update the BIOS, I accepted the update without knowing the risks. the system updated...

I have a 2 year old 2TB adata xpg sx8200, this is my only drive atm and my mobo is an msi b450 gaming pro carbon ac. Yesterday I left my PC with a pretty heavy game running to speak to my housemates, I was gone for about 20-30 minutes and when I came back my PC was sat at the BIOS. I was pretty...