I recentyly got an Asus Zenbook UX501VW (FI127T), after a lot of troubles just to get Ubuntu installed, now I got the laptop to a decent state.

Now I have Ubuntu 16.10, kernel 4.8.0-39-generic.

I've realized that it doesn't seem to be using the NVIDIA graphics card, and I can't find how to switch to it.

I have both the NVIDIA and Intel Microcode drivers installed and active.

In 'About this Computer' I get:

Which says it's using the integrated Intel® HD Graphics 530 (Skylake GT2).

Also, output to

$ lspci -vk | grep VGA

I only get

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06) (prog-if 00 [VGA controller])

And also, if I open the NVIDIA X Server Settings, to try to change the graphics card in the Prime setting, I only get this:

Like it seems as there are options missing.

Any idea how to switch to the NVIDIA card?

1 Answer 1


Disable Secure Boot in BIOS and you will be able to switch to the Nvidia adapter.

The driver is disabled by Secure Boot.

  • Thanks! That seemed to solve it! Now the problem is that if I set the Intel GPU instead of the NVIDIA one I get the fan at max speed issue. I'll look how to solve it.
    – jonazla
    Feb 26, 2017 at 17:38

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