If it can't be turned on, it's likely that the driver didn't make a digital signature, so he needs to apply for an EV code signature certificate. The method is as follows:

1, recommended list of Windows Hardware Developer Center, and choose to apply for EV code signing certificate;

2. Then download "code signing Wizard" from Baidu Software Center to sign the driver, which can avoid the problem of failed installation of Win 10, establish the reputation of smartscreen and reduce the warning of system trust.

1) Open the code signing Wizard, and select the applied EV code signing certificate in the certificate selection area. Taking double signature as an example, first select SHA 1, then select the corresponding SHA 1 certificate, and pass the PFX certificate or certificate library; Then select SHA2, select the corresponding SHA2 certificate, connect to PFX certificate or certificate library, and enter the certificate password. Finally, click on the signature;

2) In the file selection area, select the file to be signed.

3) Select "Kernel Signature" under the selected signature type directory.

4) Click "Time Stamp" to add a time stamp, click "Sign" to execute the signing operation, and wait for the signing to be completed.

Refer to Baidu's experience:/article/76a7E409E45974fc3a1578.html.

Individual user method is as follows:

1. Individual users can start the BIOS and set "Disable driver mandatory signature" first.

2. After restarting, check which drivers are unsigned, update and upgrade, and check the method.

How to detect unsigned drivers in Win 10 system? The method is as follows:

1) Enter "sigverif" and press Enter to open the tool;

2) Click "Start" to start the detection process;

3) Wait a moment after startup to see the test results.