Infotainment screen wont turn on, cant charge via usb 2023 bolt ev

[placez]

cant do the ff button trick cause its all touch screen

 

[placez]

i un did the negative terminal for about 30 minutes , now the 3 side buttons power on, but not the touchscreen

 

[ppearman]

Did you get anywhere with this? IM having the same unfortunate problem.