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yesterday I updated the kernel version to 4.2.0-42-generic through update manager. This unlucky event caused nvidia drivers to stop working, resulting in the famous login loop issue, after rebooting.

Today I found the same problem, for the very same reason, was reported in this launchpad bug few days ago.

Trying to fix that I messed things up a little bit, so I backed up my data and reinstalled ubuntu 14 without internet connection, which has kernel 4.2.0-27-generic. is there a way to manually upgrade to kernel 4.2.0-41-generic? maybe through apt?

Thanks

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Faabiioo
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1 Answers1

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There was no need to re-install. You could simply boot with a previous kernel using grub menu.

Now kernel 4.2.0-41 is not available in the repositories.

If you are using Ubuntu 14.04, you can install kernel 4.4 by running

sudo apt-get install linux-generic-lts-xenial

Also the problem with Nvidia could appear because you did not disable Secure Boot in BIOS. With new kernels it is required to use propritary drivers.

Pilot6
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  • I actually did disable the secure boot. anyway, today I realised it was a kernel problem, not a driver problem, but I already messed up and needed to reinstall. any guarantee 4.4 is not going to interfere with nvidia drivers? – Faabiioo Jul 28 '16 at 14:28
  • Nvidia drivers work OK with 4.4. This kernel will be default in a couple of weeks in Ubuntu 14.04.5 with the same drivers. There is no 100% guarantee. But you need to learn booting with different kernels without re-installing the system. I am using this kernel with Nvidia. – Pilot6 Jul 28 '16 at 14:31