I've just done a fresh install of 15.10. After installing the nvidia drivers for my quadro 600, I was able to improve the tty resolution by setting:

GRUB_GFXMODE=1024x768
GRUB_GFXPAYLOAD_LINUX=keep

in /etc/default/grub, but now when the password login screen displays, I'm unable to enter the password in the input box. I've tried ctl+alt+f1 and other things to try to enter it, but haven't found what works.

I'm able to enter it if I set nomodeset, but that puts me back at a low resolution.

  • Any solution to this? I'm having a similar problem after installing nvidia drivers. – Jeffrey DeLeo Jan 24 '16 at 4:33
  • No real solution. I had to drop it down into low resolution with nomodeset to be able to enter it. It's ugly, but I didn't ahve time to mess with it further. – labyrinth Jan 25 '16 at 21:45
  • 1
    I did something similar - edited /etc/default/grub to change GRUB_CMDLINE_LINUX_DEFAULT to "", then "sudo update-grub". Low res startup, but can type in unlock passwd. – Jeffrey DeLeo Jan 28 '16 at 19:41

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