Trying to install Natty on a Pent dual, core 2.50 GHz, 4gb ram, nvidia 8400 with 260.19.44. I have 10.10 installed and it works perfect. When i install 11.04 all goes well but when it goes in to screensaver it seems to freeze up and takes a few minutes to come out of it, cant use menu or any icons. Was wondering if anyone has any idea if i am doing something wrong or should i change something?? TYAVMIA :-)