LG WT5001CW WaveForce washer won’t ‘play’

I have a top load WaveForce LG washing machine, model is >WT5001CW. The day it quit, I did a load (incorrectly, but ran through it without showing issue, that we seen.) However, a short time later, when I went to start the next load, it acted like it was powering up, but nothing lit on the display panel. It even still plays the power up melody, as well as the power down melody too, except neither play as loud as they did prior. But that’s it. That’s all I can get out of it. I’ve tried to hold the buttons to do the reset, reset the breaker (knowing it is getting power fine, it does play the melody), but nothing happens beyond the noise when the power button is pressed. Have even tried to just press play to see if it would start, even though all lights where off, and, yeah, no go. & Yes, we purchased this washer used, but we just bought it probably less than six months ago! Really don’t need to seek another. Please, anything you can do to help is appreciated. I had an older Amana Maytag prior, and I was able to repair it fairly easily on my own anytime we had an issue with it. We only replaced it because I really needed a larger drum and it had started leaking.