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In Ubuntu 14.04.5 I did sudo apt-get upgrade intencionally for holding kernel updates and I installed nvidia-375 because I have a GTX 740M I know that if I update the kernel, my GPU driver will die, and I will enter in that black screen loop over an over. But something happened...

updater is showing me rare things

Why Ubuntu is recommending me AMD/ATI Drivers if I have a NVIDIA GPU?

Can I update the kernel or my changes will be lost?

My laptop is a bit old, it was released in 2013 so that's why in Ubuntu 14.04, the drivers that comes in kernel 4.4.0-31-generic, works fine¹.

¹ I added acpi_backlight=video because my intel graphics have a bug in his driver, it appears on windows too, see, I have a HD Graphics 4000 so that command in /etc/default/grub works for manipulating the brightness

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Egon Stetmann.
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    If properly installed, the Nvidia driver will build for the new kernels. And there's no point in keeping 14.04 just because your hardware is from 2013. Newer is better, particularly for graphics. –  Aug 09 '17 at 13:33
  • @MichaelBay yes is properly installed, but Ubuntu is glitchy my friends call me for solving some of this problems in his laptops and I saw like 4 times that with kernel updates, everything stops, and I fear to reinstall the OS I hate that, I like Ubunto 14 his antique software centre is nice for me. – Egon Stetmann. Aug 09 '17 at 13:38
  • How do you "properly" install Nvidia drivers? I have Nvidia drivers installed and there are no problems with kernel updates. – Pilot6 Aug 09 '17 at 13:45
  • @Pilot6 In 2014 I was really annoyed for so much complicated ways to install that NVIDIA drivers but at the end... It was so freaking simple, just ubuntu-drivers devices read the output and put the same driver version thus the intel driver so... sudo apt-get install intel-microcode && nvidia-375 and that's all. – Egon Stetmann. Aug 09 '17 at 13:47
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    intel-microcode is not related to video drivers. If you installed the drivers this way, you can safely upgrade your kernel, unless DKMS is broken. – Pilot6 Aug 09 '17 at 13:49
  • @Pilot6 dude my computer is a laptop, not a PC the GPU works with the Integrated intel graphics because the intel chip is connected to the screen not the GPU – Egon Stetmann. Aug 09 '17 at 13:50
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    That doesn't change anything. – Pilot6 Aug 09 '17 at 13:52
  • it does, the intel-microcode is the graphics driver for the integrated gpu wich is required for a properly energy management with the dedicated gpu, read here https://en.wikipedia.org/wiki/GPU_switching in this case PRIME can change my dedicated GPU for the integrated one, it makes my computer more fresh and It will not overheat itself – Egon Stetmann. Aug 09 '17 at 13:54
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    intel-microcode is not a driver at all, and is not a graphics driver. You can search this site or wiki to read about what intel-microcode is. – Pilot6 Aug 09 '17 at 14:10

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If Nvidia drivers have been installed from the repos or a PPA with DKMS, it will not "die" after a kernel upgrade.

AMD drivers are updated, because Ubuntu has pre-installed open source drivers for many GPUs.

I suggest upgrading all suggested packages and installing Nvidia drivers properly if there is a problem with them.

Pilot6
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