You are using 4.18.12-041812-generic, which is not a supported kernel. You
can uninstall the nvidia driver doing the following:

sudo apt-get --purge remove libnvidia* nvidia-*

On Sun, 7 Oct 2018 at 14:55, Unkraut <email address hidden> wrote:

> Please add rollback instructions. I'm now stuck with a broken intel
> driver.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1778011
>
> Title:
>   SRU: PRIME Power Saving mode draws too much power
>
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> Launchpad-Notification-Type: bug
> Launchpad-Bug: product=hwe-next; status=New; importance=Undecided;
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> Launchpad-Bug: distribution=ubuntu; sourcepackage=gdm3; component=main;
> status=Fix Released; importance=High; assignee=
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> sourcepackage=nvidia-graphics-drivers-390; component=restricted; status=Fix
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> Launchpad-Bug: distribution=ubuntu; distroseries=bionic;
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-- 
Alberto Milone