Cant log in just flashes blue and back to log in screen. Hp15 PLEASE HELP ASAP!! So I go to log in my live account is logged in. I enter password and it just flashes blue and back to log in screen. I have tried to restore it and refresh it but it's greyed out on the recovery manager screen. It says "unable to reset your pc. A required drive partition is mising" somebody please help me!