What if the reinstallation system cannot verify the digital signature?

You can cancel digital signature verification in two ways:

Method 1:

1, click the start menu. Enter cmd in the search, and then run as an administrator;

2. Execute the following command:

BCDEDIT-SET load options DISABLE _ INTEGRITY _ CHECKS

BCDEDIT -SET TESTSIGNING ON

3. restart the Win7 system.

Method 2:

1. Press F8 to start the advanced startup menu of win7.

2. Then select "Disable driver signature enforcement";

3. Then install the driver in this mode to ignore the signature.