It would be good to check through the logs to see what is happening.
It's also possible that 4.16 and newer might restore functionality: https://trisquel.info/en/forum/linux-libre-416-realtek-radeon-more
It would be good to check through the logs to see what is happening.
It's also possible that 4.16 and newer might restore functionality: https://trisquel.info/en/forum/linux-libre-416-realtek-radeon-more