Recently, Xiaobian suddenly needed to check some DVDs at work, so she inserted them into the DVD drive. However, I found that my computer's Win8.1 system couldn't recognize the DVD drive, and prompted "Windows can't verify the data signature of this device", and an exclamation point was displayed in the device manager. Later, after some research, it was finally solved. Next, Xiaobian will share with you the solution that Win8.1 system can't verify the data signature of this device when it is put into DVD.

Recommendation: Download win8.1 without activation

1. Place the mouse in the lower left corner of the desktop to pop up the Start screen window, right-click the window and select the command prompt (administrator) from the shortcut menu, as shown in the figure;

2. open the "administrator" command prompt window, enter the command "bcdeditsetloadoptionsddis-able _ integrity _ checks", and just press enter, as shown in the figure;

actually, the method to solve the problem that Win8.1 can't verify the data signature of this device when it is put into DVD is very simple. If you encounter this problem, you may wish to operate it.

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