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I had some problems installing the proprietary nvidia drivers. At the beginning they caused the log in screen fail to appear, then after running the command suggested here: askubuntu.com/a/762255/167850 and checking that I had Secure Boot disabled in the BIOS I managed to have them work. Now the problem is that if I switch to the intel chipset and then log out I cannot log in again. And this happens if I switch using the nVidia X server application, "sudo prime-select intel" or the panel indicator (prime indicator). To be able to log back in I have to switch to a different tty, run "sudo prime-select nvidia" and go back to tty7. Furthermore if I run

sudo prime-switch intel

I get:

/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
/etc/modprobe.d is not a file
update-alternatives: error: no alternatives for x86_64-linux-gnu_gfxcore_conf

Du you have any suggestions on how to be able to switch to the power saving intel GPU?

Thanks.

Community
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Marco
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  • http://askubuntu.com/questions/761819/nvidi-361-login-loop-ubuntu-16-04-lts try technique suggested in this question – shiv garg May 03 '16 at 16:59
  • Hi! Yes, it's the technique I used to have the nvidia drivers work and it's the same I linked. My problem was now not being able to switch to the intel chipset. But apparently removing the xorg.conf did the trick :/ thank you anyway. – Marco May 04 '16 at 08:14
  • Upvote the answer so max people solve their problem – shiv garg May 04 '16 at 15:33

1 Answers1

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I solved it in a very simple way. I deleted the xorg.conf...

First I tried moving to a textual tty, switch to intel and run "sudo nvidia-xconfig". After logging out and then logging in again I noticed that the resolution was messed up (only one, nearly 640x480) but at least it was not failing to log in. So I tried to remove xorg.conf and now it works!

Marco
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  • there is no file "xorg.conf" on my machine. there is a directory /usr/share/X11/xorg.conf.d ... did you delete a file in that directory? – Michael Jun 22 '20 at 19:48