How to solve Win8 can't log in

  

When Windows 8 can't log in, if you create a user account with an email address and password (Microsoft account), try logging in to the Live service on another PC (eg Hotmail) ) to see if there is a problem with your account. If you're having trouble signing in to the Live service, try resetting your password.

If you are unable to log in to the Live service on another PC, try changing your password and logging in again on your old PC.

The best way to prevent this from happening is to create a password reset disk when you create your password. This way, you don't have to reinstall if you forget your password. You can create a password reset disk by performing the following steps:

1. Insert a USB drive or other removable media as a password reset disk.

2. At the start screen, press the Windows logo key + W, type “Create a password reset disk”, and then click Enter.

3. Follow the instructions provided in the “Forgot Password Wizard” section.

Then, when you are unable to log in, click the “Reset Password" link to activate “Reset Password Wizard”.

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