Coming soon: Fedora on Lenovo laptops! - Fedora Magazine
How to check your product or model specification in the manual - Lenovo Support US
Lenovo IdeaPad 1 15 Review | PCMag
UEFI - Wikipedia
Lenovo-UEFI-OKR-Open-Source-Code-uefi-okr-source-code-10-2-8 - Deutsche Community - LENOVO COMMUNITY
GitHub - MultimediaLucario/Lenovo-ThinkPad-T440: This repo contains the installation guide and EFI files required to get a perfectly functional Catalina and Big Sur hackintosh on your Haswell (4th gen) T440. Everything is stable