A stubborn error “BOOTMGR is missing” pop up on your display when your system is malfunctioning or facing some real problems, or some files are corrupted or missing. Despite pressing the Ctrl+Alt+Del button simultaneously to restart the system the error pop up again on the screen. Let’s understand in detail what happens when the error occurs.
What is BOOTMGR?
BOOTMGR is a short form for Windows Boot Manager which is a software and usually run on volume boot code. Usually, the BOOTMGR file is a read-only file where no changes can be done it is usually placed in the boot directory of the partition and is set in the active mode. Majorly it plays a crucial role in starting the Windows operating system by reading the boot configuration data and displaying the Windows system selection menu.
What BOOTMGR is missing error depicts
BOOTMGR is missing Windows 10 error may appear because of the intrusion of the virus in the boot sector or windows update and installation may cause the problem or the hard disks has crashed down or the system is trying to boot from a USB or flash or hard drive which is non-bootable.
BOOTMGR is missing error for Windows 10: Easy solutions
There are a lot of possible causes for BOOTMGR errors, including the most common “BOOTMGR is missing” error message.
The most common cause for BOOTMGR errors include corrupt and misconfigured files, hard drive and operating system upgrade issues, corrupt hard drive sectors, an outdated BIOS, and damaged or loose hard drive interface cables.
Another reason you might observe BOOTMGR error is if your PC is trying to boot from a hard drive or a flash drive that is not properly configured to be booted from. In other words, you can say that it’s trying to boot from a non-bootable source.
There are few solutions listed below with images with that the “BOOTMGR is missing” error can be fixed. Keep reading!
Disconnect all external media or non-bootable devices
- The very first troubleshooting method one can try is disconnecting and external media connected to your USB, Flash drive or optical drive. As the system will start booting the system by reading these external media which are non-bootable media.
- Once the USB or Floppy are disconnected restart the PC and look out for the error.
Changing the BOOT order from BIOS
- Once the BOOTMGR is missing error appears on the screen press Ctrl+Alt+Del key altogether to restart the computer.
- Once the system’s logo appears to start pressing F12 or F2 or F8 or F10 or Esc or Del key continuously to get in the boot menu. The key to getting into the BOOT menu varies for different computer manufacturers. Consult before hitting the key.
- Navigate to Boot tab and scroll up and down arrow to select the Hard disk option and press F10 to save the changes and exit the window. Restart the computer it will run normally.
Running the startup repair without CD/DVD
- Windows start repair program can help in replacing the missing or corrupted file. To run a Windows repair program press F8 key several times during the booting process to enter into the Windows Recovery Environment (WinRE). Navigate to Troubleshoot > Advanced options> Startup Repair option.
- This might help in resolving the issue.
Rebuilding the Boot Configuration Data using bootrec.exe
- Insert the Windows 10 installation CD and restart the computer.
- When the message pop-up “Press any key to boot from the CD or DVD“. The system will start booting through the installation CD.
- Select “Repair your computer” from the menu once the language, time and keyboard method is set.
- Navigate to Windows installation drive of your preference usually, it is c:\
- Hit the Next button and select the Command prompt option.
- Type the bootrec /rebuildbcd command in the window and hit enter to run the program.
The bottom line of this entire tutorial is to guide you the easiest solution for solving the BOOTMGR is missing error manually by following each troubleshooting method one after the other. Devicetricks guides you to solve such kinds of error faced by your Windows operating system or by your phone. Visit our website to stay tuned with our new featured blogs on technical error faced by computers and phones. If you find this article helpful please like, share and follow our Facebook page as much as you can. Write us back in our comment box what you feel about the article or want to suggest some points.