I just got the same laptop today, and am having the same problem (although I'm running Linux Mint 19.1 instead of Ubuntu directly). I'm still getting things set up, but will get the 4.20 kernel installed as soon as I can and try this...
I just got the same laptop today, and am having the same problem (although I'm running Linux Mint 19.1 instead of Ubuntu directly). I'm still getting things set up, but will get the 4.20 kernel installed as soon as I can and try this...