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:
/8sYxpQm
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!