locked out

I can't remember my password, have tried taking the battery out. I am at loss with what to do. Any help would be greatly appreciated. I have attached a picture of the circuit board

I connected two of my new Dahua cameras (different models) via a PoE switch to my router (one at a time) which is connected to my WIN10 machine, then opened up the default 192.168.1.108 in IE. I logged in successfully thru the web interface and changed the IP on one of them, as well as the admin...