Similar (or same) bug as I reported yesterday (sorry). The problem I had was a completely blank screen on installation of 7.04 on an HP/Compaq nw8240. X Server could not find any screens. Fixed with a few lines in /etc/X11/xorg.conf. I have no flickering.
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/110543 Solved by adding Device/Driver="ati", setting HorizSync, VertRefresh, and DisplaySize to Monitor, and adding "1920x1200" to each of the Screen/Display/Mode lines: Section "Device" Identifier "ATI Technologies Inc Radeon Mobility X700 (PCIE)" Driver "ati" BusID "PCI:1:0:0" EndSection Section "Monitor" Identifier "Generic Monitor" Option "DPMS" HorizSync 28-96 VertRefresh 43-60 DisplaySize 330 210 EndSection -- [X700] Really bad sync on HP NW8240 https://bugs.launchpad.net/bugs/20283 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs