Hello, Regarding the issue with the BIOS not allowing you to reset secure boot, you may need to check with Lenovo support for assistance with accessing the BIOS settings. They may be able to provide you with the necessary steps to reset secure boot and allow you to install Windows 10. However, please note that modifying BIOS settings can be risky and may cause issues with your device. It is recommended to seek assistance from manufacturer's support team. Best Regards, Hania Lian
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