I have this machine with a 1080p HD screen with a nvidia gforce GTS250 card and I just installed Ubuntu server 12.10. After the first boot the GRUB screen was in a wrong resolution, 1280x720. However after booting the tty was perfect, 1920x1080.
Then I did:
sudo apt-get install nvidia-current xserver-xorg fluxbox sudo reboot
The screen resolution of GRUB didn't changed. However the resolution of the tty is now 640x480 until I do:
That gets me into fluxbox and the resolution is 1920x1080.
Any ideas on how to fix the resolution of the tty and, if possible but less important, the GRUB screen?