In "trivial" case, one can start a Linux kernel compiled with CONFIG_EFI_STUB=y and placed as \EFI\BOOT\boot圆4.efi into an x86_64 system's FAT32 EFI System Partition directly by UEFI firmware although distros don't seem to support that, leaning for grub2 instead. Dell Uefi Not BootingIt started with No boot device found then it escalated to the windows manager missing from the boot sequence and the add file shows. memtest86) in UEFI SecureBoot case it's also held responsible for running the binary's signature validation hooks within firmware.Ī boot manager can read some preconfigured menu or scan for available filesystems and boot targets (or do both like refind does) so as to present the user with a menu to choose from those. Manage the EFI/UEFI boot options: Manage the EFI System Partitions: Support Windows PC (Non-Enterprise Edition of Windows Vista/7/8/8.1/10) Operating Systems: Support Windows PC (Enterprise Edition of Windows Vista/7/8/8. ") role - or play it badly though.Ī boot loader can load and run the next-stage executable (another bootloader, bootmanager, a kernel, or e.g. There can be no extra bootloader (or bootmanager) with UEFI as the firmware itself plays bootloader role (at least to run some other bootloader/bootmanager) most of those I've seen so far lack bootmanager ("boot menu.
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