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Windows NT OS Kernel: The kernel loads into memory the system registry hive and other drivers that are marked as BOOT_START. Windows operating system loader: Essential drivers required to start the Windows kernel are loaded and the kernel starts to run. Windows Boot Manager: Windows Boot Manager finds and starts the Windows loader (Winload.exe) on the Windows boot partition. Firmware reads the master boot record (MBR), and then starts Windows Boot Manager. This pre-boot process ends when a valid system disk is detected.

PreBoot: The PC's firmware initiates a power-on self test (POST) and loads firmware settings. To troubleshoot boot problems, first determine in which of the following phases the computer gets stuck: Phase There are several reasons why a Windows-based computer may have problems during startup. If you're looking for more general information about recovery options, see Recovery options in Windows 10. Then it will give you Language selection option click Next.This article is intended for use by support agents and IT professionals. You will be prompted to “ Press any key to boot from disk” so go ahead and press Enter. Insert the Windows Installation or Repair disk into your drive and reboot the system. 3] Rebuild the Boot Configuration Data from Windows Recovery Environment.Īlthough the images show Windows 7, Windows 10 and Windows 8 users need to follow a similar procedure using the installation media for their version of Windows. You can run Startup Repair from Advanced Startup Options in Windows 10, or from WinRE. 1] Run System Restore from Windows Recovery Environmentīoot Windows 10 into Advanced Startup Options screen and sue the System Restore option.

Rebuild the Boot Configuration Data from Windows Recovery Environment.

Run Startup Repair from Advanced Startup Options in Windows 10, or from WinRE.

Run System Restore from Windows Recovery Environment.

You basically have 3 ways to fix this problem: Are you receiving the Missing Boot Manager error? In this article, I will tell you how you can fix the Bootmgr is Missing error message in Windows 10/8/7.īootmgr is missing, Press Ctrl+Alt+Del to restart This is one of the most common boot issues you might come around, in the Windows operating system.