Hello:
I installed zentyal 3.2 several times with different graphics cards:
Nvidia 610
Nvidia 8400 GS
Nvidia 8600 GS
and all have had the same problem the maximum resolution 1024-768, installing the graphical environment default one.
I've tried updating the drivers Nivida following the steps in different ways (6 in total, including those of the official nvidia) to ubuntu 12.04 server (howto different websites).
At the end when I restart the computer I have the same result in the black screen wil (locked) without using grub to enter recovery mode.
Any suggestions?
Thank you.