The above symptom may occur on the following systems
All Idea Laptops
Press Novo button when power off and choose System Recovery. You can also enter OKR from windows onekey recovery by clicking Onekey recovery icon.
The Novo button may locates at different places on different models. If you cannot find the button following the above figure, please turn to User Guide for detailed reference. Please go to lenovo official support website, search to find out your model's user guide.
For detaiedl introduction of OKR, please refer to: IN20100607-011-Lenovo OneKey Rescue System 7.0 functional description