1. Close secureboot in the bios, and then run the command prompt as an administrator.
2. Just enter the command bcdedit.exe/setnointegritycheckson to disable driver signature!
Method 2:
1. Click the notification to find and enter "All Settings".
2. Find and enter "Update and Security" in all settings.
3. Find the recovery and click "Restart Now" under "Advanced Startup" to restart the computer.
4. Select "Troubleshooting" after restarting.
5. Select "Advanced Options"
6. Select "Startup Settings".
7. Click "Restart".
8. Enter "7" when prompted to disable the driver's mandatory signature.