Black screen and airplane mode on a ASUS TUF FX504 laptop with a replaced screen

Namely, when I press the button to turn it on, the LED on the keyboard lights up, the screen turns from some shade of dark green to black, the cpu and gpu slowly start to heat up. The fans turn on and work moderately, the battery is there as well as the CMOS, the disk was there and RAM but screen is black. The problem is that the image is black all the time, and after a while the airplane mode light turns on on the laptop. What I tried: Turned off all power sources (AC adapter and battery), held the power button for 40 seconds and tried to turn it on again - the problem was not solved. I tried

Question by DDDd on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.