Equipment: Lenovo y7000p
System: Windows7
1. First, click the Microsoft icon in the lower left corner and type Run in the search box.
2. Then click Open Run.
3. Then enter gpedit.msc in the running interface and click OK.
4. Then in the local group policy editor window that opens, find and click: User Configuration-Manage Templates? -System? -? Driver installation.
5. Then in the opened page, find: code signing driven by equipment, and left-click: code signing driven by equipment.
6. Finally, in the opened device driver code signing window, select Enabled, and in the option drop-down box, you can choose from warning, blocking and ignoring. Select here to block: command the system to refuse to install files without digital signature, thus solving the problem of driving digital signature.