@Laurent - Thanks for the info. Are you using the standard Lucid kernel or the 2.6.34 kernel PPA? Are you using any of the boot options mentioned above? Can you please provide the output of lspci -vvnn and the output of xrandr --verbose from the working system?
@Laurent - Thanks for the info. Are you using the standard Lucid kernel or the 2.6.34 kernel PPA? Are you using any of the boot options mentioned above? Can you please provide the output of lspci -vvnn and the output of xrandr --verbose from the working system?