When the computer is turned on, the digital signature of the driver is invalid. How to repair the digital signature of an invalid driver or not forcibly prohibit loading the wrong driver when starting? Can the drive be turned on normally? This computer error is caused by installing a driver with no signature or expired signature. The solution is as follows:

You can disable Windows7 system driver signature enforcement:

Reference website:/article/3f16e003cb7d0f2590c10345.html.

2. Update the driver. Download updates such as driver wizard or driver life cycle to the latest official version.

The above two items should be solved. If it still doesn't work, please leave a message