What should I do if the Win8 system has a black screen after updating the patch?

  
In order to ensure the security of the system and the system can get the latest software in time, Microsoft will regularly push various patches for each Windows system. Recently, users have black screen after entering the system after updating the patch under Win8. What should I do?
Win8 system update patch after the black screen solution:
1, boot continuous F8 select security mode, choose to repair your computer, select troubleshooting;

2, choose to restore the computer;

3. Click Next;

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