Inspiron 5548: no brightness control and black screen after time - macOS Catalina

[victors89]

Hey guys,

 

Have an Dell Inspiron 15 5548 - 15.6" - Core i5 5200U - 8 GB RAM - 1 TB HDD

I would like to know if you can help me, I installed MacOs Catalina.

I'm still without control of screen brightness by the keyboard and black screen after time

Could you guys help me?

 

My config plist attached

 

Thank you in advance

config.plist.zip