Urgently in need of assistance

Good day, I need to do a meeting on Microsoft teams today , but I'm locked out of my laptop windows 11, PIN LOCK , my divice is still loged in on my Microsoft account but I can't open windows, error it needs to be authorised by administrator ( hence I am the owner administrator) my PIN is not working, if I select options I forgot my PIN it doesn't give any options to reset it. and     clr :alt : delete not  taking me out for repairs or bios Please your solutions will be much appreciated. Piet.