Y AXIS HELP!!

I am new to 3d printing and desperately need help before it becomes my newest lawn ornament! I have had this for 2 months and never able to use it. I think i finally have figured out the problem get it fixed and a whole new one comes up! I have replaced the stepper motors the stepper motor wires the x axis screws double and triple checked everything that I can find that people recommend you do and still cant use this thing! I was finally down to the bed not moving. I get that figured out and now this is what i get instead! PLEASE WATCH THE VIDEO AND END MY HELL!!
https://1drv.ms/v/s!AnBCmcn8a1g-iaMZ69vgUcTL46ETVg