I have an ASUS Transformer that is suddenly requesting a password when I boot although I never set one. I upgraded to 3.1 via the ASUS website weeks ago and everything else added was from the APPS website. I tried to do a factory reset but during the process a yellow warning triangle with an exclamation point appears over the Android logo and then a request for a password again. Does anyone have any experience with this problem. I'd rather not have to go through the manufacturer if I dont have to and purchased it through TigerDirect so thats not going to help much.