Wont let me sign in

[Nicknu]

I just got the mini of today and when I hooked everything up it was working fine then I turnt it off and went in about my day and now when I try to sign in it doesn’t do anything and stays there in the sign in screen

[barry777]

Method 1: Use the mouse to click to restart, and then press and hold the keyboard shift. (Do not loose shift during the restart process.) Enter the advanced startup interface and select Troubleshooting, Repair System, or Reset System.
Method 2: Reinstall the system directly Read