按照wiki执行# grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=grub
(EFI分区挂在/boot/efi)
执行后
Installing for x86_64-efi platform
Could not prepare Boot variable:Np such file or directory
Installation finished.No error reported
如果继续按wiki重启就无法引导
求指导

关掉你的fast boot，security boot还有把启动模式设置到纯uefi。

都efi了，还用grub干嘛

sudo grub-install