The solution is as follows:
1. Open the start menu and click the computer settings inside. If not, click All Applications, find and click Computer Settings (zPC Settings); As shown in the figure:
2. In the computer settings interface, click Update and Restore on the left, as shown:
3. In the update recovery interface, click Restore on the left, find Restartnow under the advanced startup item in the right window, and click Restart the computer immediately; As shown in the figure:
4. After the computer restarts, select an option interface and click Troubleshooting; As shown in the figure:
5. In the troubleshooting interface, click Advanced Options; As shown in the figure:
6. In the advanced options interface, click Start Settings; As shown in the figure:
7. In the startup settings interface, find and click Restart; As shown in the figure:
8. The computer will restart. After restarting, just click "Disable driver forced signature" in the startup settings interface! As shown in the figure:
The above is the detailed solution of driving mandatory signature in win 10 system. If you have the same problem, you can refer to the above method to deal with it.