same issue. my gpu turns on when i try to ec reset here and then . sometimes when ec reset the power button turns red which indicated NVIDIA GPU but Restarts right during boot . like in a 1-2 second. sometimes the gpu turns on and it doesnt most of the time. one thing i found out was when i checked my EC Version on BIOS it was 00.00 idk if its some EC issue . some help would be appreciated...