Man, I'm sorry for dragging you into this rotation world in light of all this. I'd suggest you try following the steps again, rebooting, and seeing what happens. NOTE: you DO NOT need to do the wget command again, since you already downloaded those those files and they will already be on your tablet where you need them to be. You probably DO NOT need to reinstall advabced backlight either, since you clearly have that. Again, I'm very sorry this has been so laborious. I hope your accidentally installing the n800 version didn't do damage. I don't know enough to know if it did. Don't worry, a reflash would fix everything, but obviously reflashes are to be avoided.