From logs, it looks like you have the "oibaf" PPA enabled and it is causing conflicts. Make sure you remove it (and other PPA's you may have enabled: sudo ppa-purge ppa:oibaf/graphics-drivers
From logs, it looks like you have the "oibaf" PPA enabled and it is causing conflicts. Make sure you remove it (and other PPA's you may have enabled: graphics- drivers
sudo ppa-purge ppa:oibaf/