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Oracle Solaris 11.1 and later support UEFI boot for x86 systems with UEFI firmware version 2.1 or later. GRUB 2 is used as the boot loader on x86. [139] OpenBSD 5.9 [140] introduced UEFI boot support for 64-bit x86 systems using its own custom loader, OpenBSD 6.0 extended that support to include ARMv7. [141] illumos added basic UEFI support in ...
It replaced the NTLDR present in older versions of Windows. The boot sector or UEFI loads the Windows Boot Manager (a file named BOOTMGR on either the system or the boot partition), accesses the Boot Configuration Data store and uses the information to load the operating system through winload.exe or winresume.exe. [2]
On Apple Mac computers using Intel x86-64 processor architecture, the EFI system partition is initially left blank and unused for booting into macOS. [13] [14]However, the EFI system partition is used as a staging area for firmware updates [15] and for the Microsoft Windows bootloader for Mac computers configured to boot into a Windows partition using Boot Camp.
In this guide, we'll show you the steps of creating a USB flash media to perform an in-place upgrade or clean installation of Windows 10 on computers using UEFI firmware with the Media Creation ...
The boot loader is responsible for accessing the file system on the boot drive, starting ntoskrnl.exe, and loading boot-time device drivers into memory. Once all the boot and system drivers have been loaded, the kernel starts the session manager (smss.exe), which begins the login process.
Also, Windows 11 requires UEFI to boot, [87] with the exception of IoT Enterprise editions of Windows 11. [10] UEFI is required for devices shipping with Windows 8 [88] [89] and above. Other alternatives to the functionality of the "Legacy BIOS" in the x86 world include coreboot and libreboot.
EasyBCD runs on Windows and modifies the Windows Boot Configuration Data (BCD) to add support for other operating systems. Windows NT, Windows 2000, and Windows XP are supported by handing off the control of boot to either NTLDR or the EasyBCD-specific EasyLDR, which bypasses NTLDR and boots directly into the OS. [4]
The USB boot software can also be used to make Windows 8, 10, or 11 run entirely from USB. YUMI (Your Universal Multiboot Integrator) is also a separate open-source product release that has several enhanced features, some have been integrated into UUI.