About WIN8 can not install an unsigned driver "third-party INF does not contain digital signature information" solution

Lenovo's mobile phone today to help students Brush，Experience the following problems：

Third-party INF does not contain digital signature information

Because the phone requires the use of windows Brush Well，And I only win8 virtual machine，Just install the driver win7 drivers，Installation of giving rise to a problem。

Via the network verification，Solution is as follows：

 

1. Recall win8 right sidebar，Then select Change PC settings
2. conventional
3. Advanced - immediately restart
4. Troubleshooting - Advanced
5. Choose startup settings
6. 7- select Disable Force Digital Signature Information
7. Familiar red warning box on the back!

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