This was my thought too. A couple bad devices sucks, but all of them. Continually having issues. Based on your story, I’d be inclined not to fault the hardwar

This was my thought too. A couple bad devices sucks, but all of them. Continually having issues. Based on your story, I’d be inclined not to fault the hardware yet, but try and measure your environment. Do you have good clean power? Can you take your hardware to family/friends house and test it there?