Fedora 17 - Doesnt know when lid is closed

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http://forums.fedoraforum.org – I am running Fedora 17 on a M4600 Dell laptop. It works great except for when I dock it. The system does not seem to know when the lid is closed. The login screen still shows up on the laptop screen even though it is docked. The monitor connected to the dock just shows the fireworks wallpaper nothing else. I can open the laptop lid and log in, but then that is my primary screen not the large monitor. Can someone help me with this? Any ideas? (HowTos)