Don't enter a command in the middle of a garbage screen. I have also seen people align the disk while it is on it's side and running the alignment test. I hope you get to the bottom of this.
It was very painful watching you type the wrong strings in over and over! The drive works, it was you doing it wrong lol. Load"$",8 not Load"$",8,1. That How To Use is Load"how to use",8 not Load"how to use",8,1 You never cleared the memory after each attempt. You are aligning it wrong, should not have messed with it and asked for help before messing with it. All the Extra Caps, Resistors, and Bodge wire are done by factory on 1540050 boards. You made all your drives into door stops.