Desktop Background is blank
Solution 1:
Try opening Terminal, type killall Dock
and press return. Dock controls the desktop background in Lion.
If it's still grey after that, try rm ~/Library/Preferences/com.apple.desktop
then killall Dock
Try opening Terminal, type killall Dock
and press return. Dock controls the desktop background in Lion.
If it's still grey after that, try rm ~/Library/Preferences/com.apple.desktop
then killall Dock