Hi,
i had trouble with a black screen under raspberry pi os and the problem got solved by using HDMI_safe=1 in the config.txt and only by that command the other command like boosting the signal or hdmi_group didn't do anything.
Problem is i don't know how to activate HDMI_safe=1 in the libreelec config file.
Which command do i need to use to achive the same effect ?
Greetings