I have noticed the same issue both in Ubuntu and fedora with my dell D400 laptop. The issue is caused by the Intel driver in X11. When I reverted back to i810 instead of Intel as is announced in the forums it works perfectly.
http://ubuntuforums.org/showthread.php?t=591589 -- After closing the lid, video does not come bak by pressing any key. https://bugs.launchpad.net/bugs/44393 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
