2. The first method is to press F8 on the login waiting interface after booting to enter the advanced startup item of Windows system; The last item of 0 is to disable driver signature enforcement. According to this item, drivers without digital signature can be used when entering the system. This method is simple, but it needs to be restarted if it needs to be used normally.
3. The driver has no digital signature, or its digital signature has not been verified by the certificate authority. If you obtained the driver from the original manufacturer's CD or through the system administrator, you should only install the driver. The driver has changed. The driver has been changed after being digitally signed by the verified publisher.
4. The operation steps of using unsigned driver in 64-bit win7 are as follows: firstly, log in with the administrator account Administrator; Click Start, then click Run; Enter the command to turn off forced driver signing: bcdedit.exe-setloadoptionstable _ integrity _ checks, and then click OK.
No, the so-called unsigned is not certified by Microsoft, but your installation will not affect your use. By the way, if your win7 can't support skipping digital signatures, then the driver you may install is an old driver, which can't support win7 well.