Windows8. 1 installation 7 failed to verify the digital signature of this file, please solve it.

Dear Lenovo users, hello!

Dear Lenovo users, hello:

Please modify it in the BIOS, and then install win7:

Operating Steps and Frequently Asked Questions of Windows 8/8. 1 System Model Pre-installed in Lenovo Notebook Factory to Modify Windows 7 System

/Lenovo/WSI/html s/detail _ 20 140505 152900922 . html

For more questions, please consult Lenovo Intelligent Robot:

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If you don't solve your problem, you can spit out your valuable opinions and then ask for manual service. I look forward to your satisfactory evaluation, thank you for your support to Lenovo, and wish you a happy life!

I look forward to your satisfactory evaluation, thank you for your support to Lenovo, and wish you a happy life!

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