Hello..Today ( 12.06.2018 ) I went into my bios and i changed some graphic thing , i dunno ( i had 3 options - auto - CPU Graphic or something like that and epc , i dunno , i don't remember ) and now between the time when I start the pc and the welcome screen shows up the screen remains black , no ASUS screen apearing or that Windows 7 thingy logo with those colors.Helpp , now i can't enter in the bios to change that setting because black screen..I am pressing the bios entering button but the screen remains black..helpp