Remove the method of the win7 test mode internal version 7601 in the lower right corner of the computer

  
                                    

1. Click “Start”——“All Programs 

2. Open “Attachments&<<>

3, find “ command prompt
, right click to select “ run as administrator & rdquo;

4, in the command line window, enter "ldcd; bcdedit /set testsigning off"

5, restart

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