Another guy has exactly the same problem. He has the same monitor, but a different graphic card (8600GT). And it happened when he updated his ubuntu.
ubuntu-fr post: http://forum.ubuntu- fr.org/viewtopic.php?pid=1626823#p1626823 -- [Hardy] Screen detection problems with xorg, nvidia and an Acer AL2216W https://bugs.launchpad.net/bugs/205093 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