Upstream has suggested several tests to try to see if it eliminates the problem:
Section "Device" Identifier "MY Video Device" driver "intel" ... Option "LVDSFixedMode" "true" EndSection -or- Option "NoDDC" "True" -- [i915] xorg intel driver reports Couldn't find PLL settings https://bugs.launchpad.net/bugs/312133 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