[kubuntu] HP Touchsmart tm2-2150us: lid-closing issues

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http://ubuntuforums.org – Strange things happen when I close the lid to turn off the screen. Often when I open my lid after spending a while with it closed, I find things like random windows open that I didn't open, and QuickSand (KDE's version of GNOME's Alt-F2 shortcut) will pop up pretty much every single time I leave my screen closed for a few minutes. If I just close it and open it again, nothing happens. Whatever happens takes time to show up. Today my computer actually shut down all by itself when the lid had been closed for an hour. I heard that KDE shutdown noise and then my computer stopped running, and I op (Hardware)