KB2902864 solves the Windows 8.1 system prompt "SecureBoot is not properly configured"

  

Symptom:

After upgrading Win8.1, enter the desktop, the bottom right corner of the desktop will display "SecureBoot is not properly configured" . As shown below:

Cause Analysis:

Microsoft started with Windows 8 system and introduced a new boot security technology "secureboot"; both "safe boot". Starting from the Windows 8.1 system, the system will automatically detect whether the machine is turned on and the "safe boot" function. If it is not enabled, it will prompt in the lower right corner of the desktop "Secureboot is not configured correctly." ”

Solution:

Solution 1: Turn on Secureboot in BIOS

Method:

Knowledge ID: 106425 Lenovo Notebook from Windows8 After upgrading Windows 8.1, the solution in the lower right corner of the desktop indicates that SecureBoot is not configured correctly.

Option 2: Update the Microsoft patch and close the prompt in the lower right corner.

Method: Please download the attached patch or click the Microsoft official website below to download KB2902864 installation.

Microsoft official address: http://support.microsoft.com/kb/2902864

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