Set to Do Nothing when I close my lid, but when I close it I hear a windows sound like something has been plugged in/out.When I open the lid, for a second the desktop is all messed up and I hear the sound again. If I would be keeping icons on the rig...

I accidentally stumbled upon this weird connection of things. Without connecting the External HDD to my laptop, it was just laying ontop of my notebook, next to the palm rest. Suddenly, the screen went out. First I tried pressing buttons, etc. Ended ...