I think I'm seeing slightly different behaviour than described in other threads.
Basically, this is in my System -> Preferences -> Sessions:
However, when I restart X, my brightness reverts back to extremely dark settings.
So I tried running it from a terminal as me (not root), and it makes no difference.
But, if I start it using:
It works (but obviously I have to enter my password)
BTW I've uninstalled gnome-screensaver because of a bug I came across relating to this issue - but still have the same problem.
Could someone please give me a clue as to what I'm doing wrong?
Well, I deleted my ~./nvidia-settings-rc file, and it now works (after a reboot)
FWIW my sessions command is "nvidia-settings -l"