strange effect at the boot time on STM32F746G-DISCO

[aciuf]

It is possible eliminate the strange effect at the boot time on STM32F746G-DISCO ?

https://www.youtube.com/watch?v=pHeQ7fpiiZ0

[Piranha]

Initialize backlight control pin to output and disable backlight until video output is initialized and cleared/rendered.

[aciuf]

Is possible to control the backlight on STM32F746G-DISCO ?

[Piranha]

That is information which can be found in user manual within seconds!

And why have You created three topics about the same issue?