A problem with similarities, but slightly different affects me (and 3 others). I' ve posted a full report in Bug #573290.
I have an ATI mobility Radeon X1400 card. My second monitors (HP1530 and HP L1820) give the message " signal out of range" and just a black screen. I tried the following solution, but it didn't help: adding "options radeon modeset=0" to /etc/modprobe.d/radeon-kms.conf I hope this extra information can help someone solve the problem. -- [RV530] Video problem: External monitor wavy, unreadable. ati radeon [Needs pll quirk] https://bugs.launchpad.net/bugs/537640 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
