How to Fix "BOOTMGR Is Missing" with USB in Windows 7, 8, 10?
Geeks - If you are seeing the "BOOTMGR is missing" error message on your computer, it means that the boot manager is unable to find the operating system on your computer. This can be caused by a variety of issues, such as a corrupt boot configuration, a faulty hard drive, or a damaged Windows installation.
To fix this error, you will need to use a bootable USB drive to start your computer and access the Windows repair tools. Here is what you need to do:
Create a bootable USB drive. To do this, you will need a USB drive with at least 4 GB of free space, and a Windows installation disc or ISO file. If you don't have a Windows installation disc, you can download a Windows ISO file from Microsoft's website and use a tool like Rufus to create a bootable USB drive.
Boot your computer from the USB drive. To do this, you will need to enter the BIOS or UEFI settings on your computer and change the boot order to prioritize the USB drive. The exact steps for doing this will vary depending on your computer's make and model, but you will typically need to press a key (such as F12 or Esc) to access the boot menu during the startup process.
Once your computer has booted from the USB drive, you will need to select the "Repair your computer" option in the Windows setup menu. This will launch the Windows recovery environment, which provides a number of tools that you can use to repair your Windows installation.
In the recovery environment, select the "Startup Repair" option. This will scan your computer for problems and attempt to fix any issues that it finds. If the startup repair tool is able to fix the problem, your computer should be able to boot normally again.
If the startup repair tool is unable to fix the problem, you may need to try using the "System Restore" or "System Image Recovery" tools to restore your computer to a previous state. These tools can be used to revert your computer to a previous point in time, which may fix any issues that are preventing your computer from starting up properly.
If none of these steps work, you may need to consider performing a clean install of Windows. This will erase all of the data on your hard drive and install a fresh copy of Windows, which should fix the "BOOTMGR is missing" error
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