How to disable nvdia gpu

Hey guys, I am currently using manjaro genome on Hp envy 14-u004tx. This computer contains an NVIDIA GPU (GeForce GTX 850M) and an intel GPU (intel GMA HD 400).
I happen to know that if using linux with NVIDIA GPU always comes to a series of system issues. So how can I disable the NVIDIA GPU and using only the intel GPU instead?

Which driver you use? Print inxi -G and mhwd -li.

I’ve used Optimus Switch for that purpose:

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