Keyboard not working chromebook unity 14.04

i playing around settings , added carried out following command in shell window on chromebook:

sudo sh -e ~/downloads/crouton -r trusty -t keyboard -u

i had trusty installed trying volume keys working better.

now when login touchpad works, keyboard , touchpad keys don't. way reverse above working again?

lots of trial , error following worked:

sudo sh -e ~/downloads/crouton -r trusty -t unity-desktop -u

must have reinstalled bits command above broke

Primitatvve