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.
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!
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