I restarted my mbp this evening, and upon reboot I typed in my password and the screen goes light grey for about a second and kicks me back to login screen. I booted into recovery and did a disk repair and a permission repair. I even reset the password for both the root and my account and I am still unable to login. It doesn't reject the password, it just goes grey and kicks me back into login. Safe mode, same thing. Please help. 2 day old mbp.