Basically- I put my computer to sleep when I don't use it: however lately I noticed it doesn't shut down, or if it does only for a second before booting back up. And why I know its the keyboard? When the screen loads back up the + button acts like its pressed down and makes a mess with whatever is pulled up: if that be sticky notes, start menu, pulling up firefox and trying to type. The only way I know how to "fix" this is to unplug the keyboard from the USB. But this doesn't actually fix anything as to why the keyboard won't shut off.