This happens just before the Windows boot.

When your PC starts, the BIOS starts a set of processes known as POST (short for Power On Self Test).

To know the process for this error, let us know a few more things.

Damaged or Loose Hard-Drive Interface cables.

Corrupt Hard-drive sectors (hardware related).

Hard-drive and Operating system upgrade issues.

But from Vista to Win 10, currently this “little code piece” links the hardware to OS.įirst of all let’s see the many reasons why you get this message immediately after starting the computer. Earlier there was a boot loader called NTLDR in the XP and NT era. It is the crucial link for the OS to initiate. So basically it’s like a middle-manager between your hardware and OS. It automatically runs when you start your PC. This is a tiny piece of program that resides in your boot drive.

Replace Win XP NTLDR Boot loader with Win 7 BOOTMGR.

Boot from the Windows 7 Installation DVD.

Different Things to Try to Eliminate “Bootmgr is Missing” Error.

So before I gives some typical solutions for this problem, let us understand the “booting process” first. Just like any other computer or software error, this issue also has several reasons and fixes. Other problems exist, and require different solutions. This is the most common problem and solution. The major problem lies in the Windows 7 boot loader and you need to repair the MBR (Master Boot Record). Didn’t you? (Don’t be timid, I have done this several times myself). If you faced this error you must have done that.

How to Fix “BOOTMGR is missing and System cannot Boot” in Windows 10 – Different Waysįor people who don’t know about computer error messages or less knowledgeable about OS, will try to fix with their intuitive solutions like wiping out the hard disk, repetitively running the install DVD or USB several times, playing with BIOS etc.

Just like many illogical Microsoft solutions, this solution is also stupid. It will simply say to press “ CTRL+ALT+DELETE” or “ RESTART” your computer. There are no fixes provided alongwith the error. After a failed Windows 7 install, you may encounter the “ BOOTMGR is missing” error when you make another futile attempt to install or run the OS.

Repair boot manager windows 7