I think I found out in detail how to fix the slow FPS and the flickering. sudo gedit /etc/default/grub
Edit this line to look exactly like this GRUB_CMDLINE_LINUX_DEFAULT="quiet splash radeon.modeset=1" Save and close then run sudo update-grub Restart and pray. Good luck -- [lucid][R500 X1400] intermitent screen corruption (pink world ) - regression from -20 to -21 kernel https://bugs.launchpad.net/bugs/545096 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs