Only when you input the correct password, you can enter your computer. Login screens are like security walls in shared computers. Solution 8: Perform System Restore or Reinstall Windows.Solution 6: Enter Safe Mode to Enable Automatic Login.Solution 5: Enter Safe Mode to Create a New User Account.Solution 4: Enter Safe Mode to Disable Fast Startup.Solution 3: Enter Safe Mode to Disable Startup Programs.Solution 1: Try Ctrl+Alt+Delete or Reboot.