This article needs additional citations for. Unsourced material may be challenged and removed.Find sources: – ( May 2010) The process of Windows NT 6 ( and later) differ from the startup process part of.In this article, unless otherwise specified, what is said about ' Windows Vista' also applies to all later NT operating systems. For Windows Vista, the or loads the Windows Boot Manager (a file named BOOTMGR on ), accesses the Boot Configuration Data store and uses the information to load the. Then, the BCD invokes the boot loader and in turn proceeds to initiate the. Initialization at this point proceeds similarly to. Contents.History Windows Vista introduces a complete overhaul of the Windows operating system loader architecture. The earliest known reference to this revised architecture is included within slides distributed by during the of 2004 when the operating system was codenamed 'Longhorn.'
This documentation mentions that the Windows operating system loader would be undergoing a significant restructuring in order to support and to 'do some major overhaul of legacy code.' The new boot architecture completely replaces the architecture used in previous versions of.Most of the steps that follows the, including kernel initialization and user-space initialization, is kept the same as in earlier NT systems. Refactoring in resulted in being completely replaced by Credential Providers and graphical components in Windows Vista and later. Boot Configuration Data. Windows Boot Manager (BOOTMGR) with Windows 7 highlighted and options to load Windows Vista through BOOTMGR and XP through NTLDR.Boot Configuration Data (BCD) is a firmware-independent for configuration data. It is used by Microsoft's new Windows Boot Manager and replaces the that was used by NTLDR.Boot Configuration Data is stored in a data file that has the same format as hives and is eventually mounted at registry key HKEYLOCALMACHINEBCD00000 (with restricted permissions ).
For UEFI boot, the file is located at /EFI/Microsoft/Boot/BCD on the. For traditional BIOS boot, the file is at /boot/BCD on the active partition.Boot Configuration Data may be altered using a command-line tool (bcdedit.exe), using (regedit.exe), using, or with third-party tools such as, BOOTICE, or Visual BCD Editor.Boot Configuration Data contain the menu entries that are presented by the Windows Boot Manager, just as boot.ini contained the menu entries that were presented by NTLDR. These menu entries can include:.
Options to boot Windows Vista and later by invoking winload.exe. Options to resume Windows Vista and later from hibernation by invoking winresume.exe. Options to boot a prior version of the Windows NT family by invoking its NTLDR. Options to load and to execute a.Boot Configuration Data allows for third-party integration, so anyone can implement tools like diagnostics or recovery options.Boot loaders winload.exe The Windows Boot Manager invokes winload.exe—the operating system —to load the operating system kernel executive and core.
In that respect, winload.exe is functionally equivalent to the operating system loader function of in prior versions of Windows NT. In systems, the file is called winload.efi and the file is always located at windowssystem32boot.winresume.exe If the computer has recently, then bootmgr will instead invoke winresume.exe. The only difference is the alternate boot mode and the splash screen displaying 'Resuming Windows'. In UEFI systems, the file is called winresume.efi and is always located at windowssystem32boot.Advanced Boot Options With the advent of the new boot manager in, many components have been changed; one is the Advanced Boot Options menu that provides options for advanced boot modes (i.e. Due to the implementation of in and up, access to the Advanced Boot Options menu has been disabled by default. However, access is still possible with a BCD modification. These are the possible boot modes:.
Repair Your Computer - Boots (WinRE or Windows RE). Safe Mode - Loads Safe Mode, a boot mode with minimal drivers and resources intended for malware removal or replacing faulty drivers. Safe Mode with Networking - Loads Safe Mode along with the network drivers. Safe Mode with Command Prompt - Loads Safe Mode with the as the shell instead of. Windows Explorer can still be loaded by typing explorer at the command prompt. Enable Boot Logging - Enables writing of ntbtlog.txt, a file that will log the boot process; listing drivers that loaded and drivers that did not.
Enable low resolution video - Disables the default graphics driver and uses the standard driver. Intended in case the user changed the resolution to an unusable level (i.e. 320×200 at low refresh rates ). Last Known Good Configuration - Loads configuration based on the last successful boot process. Intended for corruptions. ^ de Boyne Pollard, Jonathan.
Frequently Given Answers. Inside the Windows Vista Kernel – Startup Processes.
Retrieved 2010-10-01. ^ (February 4, 2008). Retrieved April 18, 2015. Ritz, Andrew (2004). Archived from (PPT) on June 9, 2004. Retrieved April 18, 2015.
Retrieved 4 December 2014. ^ (8 November 2011). Microsoft Corporation. Microsoft TechNet.
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Bo Yans.Further reading.
My somewhat ancient Hewlett-Packard laptop is running Windows Vista, and I never see Vista mentioned in articles about upgrading operating systems. Can it be upgraded to Windows 10?A. Windows Vista is not mentioned in most articles about updating a computer to Windows 10 because for the new operating system. The free Windows 10 upgrade is available only to Windows 7 and Windows 8.1 users until July 29. If you are interested in moving from Windows Vista to Windows 10, you can get there by doing a time-consuming clean installation after buying the new operating system software, or by purchasing a new PC.To go the less expensive route, first make sure your computer meets the Windows 10 system requirements, which are. At the very least, the PC must have a one-gigahertz processor and one gigabyte of memory for the 32-bit version of the system (or two gigabytes for the 64-bit edition). The computer also needs 16 to 20 gigabytes of hard-drive space and a DirectX 9-compatible graphics card running the WDDM 1.0 driver software.If your hardware meets the requirements and you want to proceed, you also have to which costs $120 for the home version.
(Some experienced users have wrestled onto older computers, but this is not for the technically faint of heart.) Before you install Windows 10 on the old PC, back up your files to an external drive so that you can copy them back to the computer after the upgrade. You will also need to reinstall all your programs that are compatible with Windows 10. The upgrade process from Windows Vista takes time and money, and if the computer is old and comparatively slow, you may not find it worth the effort.
Buying a new PC with up-to-date hardware specifications and Windows 10 already installed (and then to the new computer) obviously costs more, but it provides many more years of Microsoft support and system updates.You could also just keep using your current system if you are happy with it. However, keep in mind that Windows Vista, which was, is approaching the end of its planned life cycle next year. Microsoft’s extended support for the system.