I have read loads about Linux, kernels and Nvidia over the past few days but I can't solve the issue described here below.
I have installed Ubuntu 16.04 on my Dell 9560 after completely wiping the HD.
the kernel is
4.8.0-51-generic from the standard Ubuntu PPA.
The computer has two graphics cards: an Intel HD and a Nvidia GTX 1050.
I have installed the Nvidia driver
sudo aptitude install nvidia-375 from the PPA
sudo add-apt-repository ppa:graphics-drivers/ppa and in the
nvidia-settings - which I use with the accompanying GUI - the section "Nvidia Prime" allows me to choose between the Intel HD and the Nvidia card.
However, when I select my Nvidia card, software like Lightworks performs much worse than when I have selected my Intel HD card whose hardware is nowhere near that of the Nvidia's. Even when I scroll in Firefox the Intel HD seems to do a much better job.
I have tried
nvidia-381 but the issue persists. Any ideas if there is a workaround?
Any pros here who would recommend to use some 'grub & modprobe' trick?