Nvidia drivers installation for AMD/Nvidia hybrid system Ubuntu 16.04

[krpheonix]

I am trying to install drivers for my Asus ROG Zephyrus G14 laptop with AMD Ryzen 9 4800HS and NVIDIA RTX 2060 Max-Q graphics. I am running Ubuntu 16.04 LTS which i cannot upgrade as i am working with ROS Kinetic which is supported only on this OS.

I managed to install nvidia driver 450 using the .run file and the --no-opengl-files option.

I cannot install nvidia prime and use the nvidia gpu even after manually editing the config files as mentioned in this thread: -

nvidia-xconfig doesnt do what i want it to, nor does nvidia-settings

Yeah, the terminology can be confusing, partly because there are just so many options. What “prime-select” currently lets you do is choose between two configurations: iGPU-only mode. Everything is rendered on the AMD or Intel integrated GPU. The NVIDIA discrete GPU is not used. "display offload" mode. Everything is rendered on the NVIDIA dGPU and copied over to the iGPU for display. What the new “GPU screen” thing allows is a third mode: "render offload" mode. Everything is displayed on th…

There was no 10-nvidia.conf file in my xorg.conf

I understand that prime doesnt work on linux kernel < 4.5 but it is fine if i cant use the amdgpu ever, i just need the system to work on the nvidia gpu even if its always utilised.