It seems the solution is to change the UEFI settings: https://download.lenovo.com/pccbbs/mobiles_pdf/Enable_Secure_Boot_for_Linux_Secured-core_PCs.pdf https://

It seems the solution is to change the UEFI settings: https://download.lenovo.com/pccbbs/mobiles_pdf/Enable_Secure_Boot_for_Linux_Secured-core_PCs.pdf https://download.lenovo.com/pccbbs/mobiles_pdf/Enable_Secure... Better articles about the same problem: https://mjg59.dreamwidth.org/59931.html https://mjg59.dreamwidth.org/59931.html https://www.phoronix.com/news/Lenovo-Pluton-Windows-Default https://www.phoronix.com/news/Lenovo-Pluton-Windows-Default