Booting process of Windows NT: Difference between revisions

Revision as of 00:15, 30 March 2023

Revision as of 00:38, 30 March 2023

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== Boot loader phase ==

{{details|NTLDR|Windows Boot Manager}}

The Windows NT startup process starts when the computer finds a ''Windows boot loader'', a portion of the Windows operating system responsible for finding Microsoft Windows and starting it up. Prior to Windows Vista, the boot loader was [[NTLDR]]. Microsoft has also released operating systems for [[Intel Itanium]] processors which use [[IA-64]] architecture. The boot loader of these editions of Windows is [[IA64ldr.efi]] (later referred as simply IA64ldr). It is an [[Extensible Firmware Interface]] (EFI) program.<ref>{{cite web |title=In Windows Server 2003, you may not be able to start a computer from a GPT disk when the computer has an Itanium processor (Revision: 2.2) |url=http://support.microsoft.com/kb/902195 |access-date=October 29, 2011 |work=Microsoft Support |publisher=Microsoft Corporation}}</ref> Windows Vista and later use the Windows Boot Manager (<code>bootmgr</code>).

=== Operating system selection ===