The Win8.1 system does not recognize the DVD drive and prompts that the data signature of this device cannot be verified.

Solution:

1. Place the mouse in the lower left corner of the desktop and pop up “Start” Screen small window, right click on the small window, select “ command prompt (admin) & rdquo; command in the pop-up shortcut menu;

2, open “ administrator & rdquo; command prompt Window, enter the command "bcdedit set loadoptions ddis-able_integrity_checks”, press the Enter key.
The above is an introduction to the solution that Win8.1 does not recognize the DVD drive and prompts to verify the data signature of this device. The operation is very simple, and friends with the same problem can try it out.