Questions tagged as ['hardware-enablement-stack']

The hardware-enablement-stack (HWE stack) allows to use LTS version with a newer kernel and X stacks
Score: 1
Ubuntu 20.04.3 LTS with HWE stack - No GUI / GNOME Desktop Manager wont start after running "Software Updater" on Dell Laptop
ke flag

Dell Laptop with a recently installed Ubuntu 20.04.3 LTS with HWE-kernel. Laptop has a Intell integrated GPU and an nVidia discrete GPU.

On install from Live USB, I said "yes" to install any proprietary drivers, which in turn created a MOK signature for SecureBoot.

But as far as I am aware, it is not using any nVidia proprietary drivers and used nouveau open source drivers, like this screenshot belo ...

Score: 1
user35883 avatar
Install specific HWE kernel
tn flag

With Ubuntu 20.04, I know that we can install the latest HWE kernel via sudo apt install linux-generic-hwe-20.04. At the moment, this installs linux-hwe-5.13. However, the drivers for the hardware I am working with only currently support linux-hwe-5.11. How would I go about installing this specific kernel?


EDIT: After running the proposed fix by N0rbert

output of ls /boot is

config-5.4.0-050400 ...
Score: 6
What is the difference between a OEM kernel and a HWE kernel?
cn flag

Both kernels seems to include latest drivers, but I can't find why both are needed or what are their differences. It's confusing!

Score: 1
MorganStark47 avatar
nvidia-smi stopped working after installing cuda-toolkit
sa flag


I'm trying to get nvidia-smi back up, which was working fine until I installed cuda-toolkit. Uninstalling cuda-toolkit didn't help. How can I restore nvidia-smi output?

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

More details

I've GEFORCE RTX 2070 on my laptop running Ubuntu 18.04 and had successfu ...

Score: 0
Andrew Parsons avatar
Switching to modesetting; Light Display Manager fails to start without Intel driver or xorg.conf.d
cn flag


I wish to use the modesetting graphics dr-ver instead of the intel graphics dr-ver.


I was only able to get around the automated spam filter by replacing invocations of "driver" with "dr-ver". See this.


My current graphics configuration results in two problems:

  • bizarre graphics flickering and artifacting when using three external monitors connected via a Thunderbolt 3 dock
  • the AM ...