GPD P2 max windows hello and touch screen not working

hello i come here to try to find help with my two problem. I have the touch screen of my gpd P2 MAX which no longer works as well as windows hello and the biometric knowing it I also have certain key on the keyboard which bug a little and windows which deactivated itself good that I think I know why, but if not, do you have a solution to solve my concerns about the touch screen and the bio-metric because these are two features that serve me enormously thank you in advance for your help and your answers