It looks like bug 29171 in FreeDesktop Bugzilla (https://bugs.freedesktop.org/show_bug.cgi?id=29171). In my case laptop also uses EFI.
** Bug watch added: freedesktop.org Bugzilla #29171 http://bugs.freedesktop.org/show_bug.cgi?id=29171 -- Corrupted image (running stripes) on Quadro NVS 3100M with embedded DisplayPort (HP EliteBook 8440p) https://bugs.launchpad.net/bugs/621436 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
