Sort of thing like that, but as i tell in a previous post, i
test everything this and other threads. nothing with the blacklist nothing with grub (nomodeset && xforcevesa)nothing after upgrade or format.
post #14 is for newbies, you don't have to make a new install to fix the problem.
Someone with many cups got to tell as the answer.
i check this post of youtube and the tread at the comments...
i findthis repo for lucid.
i uninstall xserver-xorg-novaeu-all