Hi Aarnav
I am Dave, an Independent Advisor, I will help you with this.
1
Are you trying to set up Windows Hello Facial Recognition on your PC and if so, did that ever previously work and now it does not?
2
Open the Settings App, then go to Accounts- Sign-In Options
What error is indicates for Facial Recognition?
3
What is the Make and exact Model No. of your PC, that will be printed on a sticker on the bottom casing.