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grimlok

Member

Registered: 2026-06-09

Posts: 4  

[SOLVED] Did an update and now nvidia drivers aren't working properly

Hello all,

     I ran a system update a few days ago, and it caused my nvidia drivers not to work as they should.  The culprit seems to be the 6.12.90 kernel which the system updated to.  I was on the 6.12.88 kernel, and if I switch to that using GRUB, everything works again.  Is this a known bug and is there any fix for it?  If not, is there a way to have my system boot to the older kernel until it is fixed?

Thanks,
GrimLok

Last edited by grimlok (2026-06-09 01:42:13)

JayneCobb

Member

Registered: 2025-08-18

Posts: 9  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

You have to install the NVIDIA driver again for the newer kernel. I do this every time I update the kernel.....however I am using a Liqourix kernel but the same goes for the standard kernel....or any for that matter. There might be a way to have this update automatically but that is beyond me.

grimlok

Member

Registered: 2026-06-09

Posts: 4  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

I did what you said, I did a purge and re-install of the drivers by following this:

https://wiki.debian.org/NvidiaGraphicsD … stallation and then following this:  https://wiki.debian.org/NvidiaGraphicsD … tification

It seemed to re-install and configure for the older kernel, but not the newer one.

Thanks,
GrimLok

swanson

Member

Registered: 2020-04-22

Posts: 157  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

Do you have the kernel headers installed for kernel 6.12.90? They're needed too.

grimlok

Member

Registered: 2026-06-09

Posts: 4  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

That seems to have been the thicket.  Thanks!

To recap for future reference:

When a new kernel is installed from an update, purge your nvidia drivers by doing this:

https://wiki.debian.org/NvidiaGraphicsD … stallation

Then make sure you have the Linux headers installed, I did that like this using the 6.12.90 kernel as example:

First search to see if they are installed:

sudo apt search linux-headers-6.12.90*

And to install, if not:

sudo apt install linux-headers-6.12.90+deb13.1-amd64 linux-headers-6.12.90+deb13.1-common

Re-install the nvidia drivers by following this:

https://wiki.debian.org/NvidiaGraphicsD … tification

I think I'm used to this all happening automatically on other distros.  I was using xubuntu.

Thanks all for your patience and help.
GrimLok

Last edited by grimlok (2026-06-10 12:21:53)

kapqa

Member

Registered: 2019-01-02

Posts: 687  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

you could install the missing headers simply by inserting

sudo apt install linux-headers-$(uname -r)

and it should find the correct ones needed for you.

grimlok

Member

Registered: 2026-06-09

Posts: 4  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

I did try that, but for some reason, it just came up with nothing, so I just ended up doing an apt search for the headers.

Last edited by grimlok (2026-06-10 15:13:54)

kapqa

Member

Registered: 2019-01-02

Posts: 687  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

for it to be found, you would probably have boot into the kernel first; minor disadvantage of the proach, i guess.

dimonic

Member

Registered: 2018-07-29

Posts: 5  

Re: [SOLVED] Did an update and now nvidia drivers aren't working properly

I updated as per habit, and today my nvidia drivers failed to load. On inspection, both the rt and cloud kernels had been installed.

I needed to manually purge both the plain and unsigned versions of these kernels in order to get my system working properly (if I didn't do both they would dance between unsigned and signed).

sudo apt remove --purge linux-image-6.12.94+deb13-cloud-amd64 linux-image-6.12.94+deb13-cloud-amd64-unsigned linux-image-6.12.94+deb13-rt-amd64 linux-image-6.12.94+deb13-rtamd64 linux-image-6.12.94+deb13-rtamd64-unsigned

This is clearly a bug as nothing I have requires the cloud and rt kernels, and they never appeared before.

Last edited by dimonic (Today 15:10:25)