are you using a hdmi to hdmi cable

try the display jack on the miner to an hdmi monitor

use this cable

https://www.amazon.com/AmazonBasics-DisplayPort-HDMI-Cable-Feet/dp/B015OW3M1W/ref=sr_1_3?dchild=1&keywords=display+to+hdmi+cable&qid=1614121752&sr=8-3

the display plug goes into the gpu

the hdmi into the monitor

boot 2 times in a row. hard cycle boots.  walk away and come back in 30 minutes. make sure you are internet connected.