I think this bug is related to bug #208718 . I have a Dell Inspiron 1520 with the same problem. The workaround is to install the latest drivers from nvidia.com (the one of the 10th of April is known to work ok) Here's the link http://www.nvidia.com/object/linux_display_amd64_173.08.html
-- [hardy] NVIDIA driver doesn't work after upgrade from 7.10: invalid EDID checksum https://bugs.launchpad.net/bugs/221808 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