The solution by Philip at post 51 with modifications suggested by Steve at post 54 worked for me (latest updates, 2.6.31-16 kernel).
I'm using Kubuntu Karmic Netbook on an Acer Aspire One netbook and I couldn't even see a low graphics mode: there were only random pixels as if I was trying to set a bigger resolution than the one supported by the screen.
The solution by Philip at post 51 with modifications suggested by Steve at post 54 worked for me (latest updates, 2.6.31-16 kernel).
I'm using Kubuntu Karmic Netbook on an Acer Aspire One netbook and I couldn't even see a low graphics mode: there were only random pixels as if I was trying to set a bigger resolution than the one supported by the screen.