I have a rooted Droid. I'm trying to install 2.2, I dont even want/need root. Just never really used any of its features. Well 2.2 won't install. I had a black screen with a explanation point sign and a Droid for 15-20min and nothing happened. I restarted in Hboot. There is said it failed to update. My phone also now says its update, yet I'm not on 2.2 What do i need to do?