A digital signature is a digital string, which can only be generated by the sender of the information, and no one else can forge it. When digital signature is enabled in win8 system, the drivers of some external devices cannot be successfully installed, which leads to the unavailability of the devices. In this case, if digital signature is disabled, win8 system can only install external drivers. Users who need it can look at the following operations.

The specific method is as follows:

1. On the right, click the pop-up settings bar;

2. Click to change the computer configuration;

3. In the computer settings, click General, and then click Restart Now.

4. After restarting, click the question;

5. Click the update option;

6, click on the system startup settings;

7. Click Restart;

8. After restarting, select item 7 to disable digital signature.

The above is all the contents of disabling digital signature in win8 system, and users who need it can set it manually.