Boot manager is missing what to do. What does bootmgr is missing mean

Some users have already had to deal with an unpleasant problem. When the OS boots, instead of the usual window, a notification appears on a black background: "BOOTMGR is missing". What to do Windows users 7 read in the framework of this article.

Possible reasons

An error occurs if the system cannot detect Windows bootloader. It is possible with such a development of events:

1. Incorrect shutdown of the computer.
2. Voltage failure in the power supply network.
3. appeared on the hard disk bad sectors and bads.
4. Change BIOS settings.

BIOS settings

First, let's check BIOS settings. This is relevant if the computer uses more than one physical disk. Perhaps the system is trying to boot from media that does not have Windows installed:

1. and check which device is selected as bootloader.
2. Put in the first place the disk with the installed Windows.
3. Save changes and check Windows boot 7.

Advice! If there are problems when turning on the computer or it does not turn on at all, try.

If Windows 7 does not boot normally, there is a special recovery environment that is called by pressing F8 before the OS boots. With its help, you can restore the work of the "old" bootloader or replace it with a "new" one.

Launch Recovery

Select "Troubleshoot your computer" from the options provided.

Important! If you are unable to download the troubleshooter, use the . When starting from a flash drive, in front of the window Windows installation 7, select the item "System Restore".

In the window that appears:

Command line

If the previous methods were unsuccessful, replace the damaged bootloader with a new BOOTMGR. This will require bootable flash drive Windows 7 and command line.

Advice! Read each section of this manual carefully to avoid mistakes.

In the same way as in the previous paragraph, go to "System Restore", only now select the "Command Prompt" option. On the command line, enter the commands one by one. After each press Enter:

1. Go to diskpart program which will allow you to work with diskpart disks
2. List all available disks list volume
3. Determine from the list a disk whose size is 100 MB (for Windows 8 and 10, the size can be 300-350 MB). This is a system reserved, hidden partition that contains a non-working bootloader. As you can see from the screenshot, this is drive C. Next, pay attention to the "Type" column. If you are using an installation disk, then the type will be CD-ROM. Remember the “Name”, in our case it is F. If you are working with an installation flash drive, then be guided by its size.
   
4. Having decided which letter, which volume is attached to, and then proceed to copy the bootloader. Exit the Disk Utility exit
5. Open the Windows installation disk F:
6. Copy the bootloader file from the installation flash drive to boot partition drive of your PC copy bootmgr C:\
7. When the message "Copied files" appears, exit installation disk exit

After copying the bootloader, you need to tell the system which disk to boot Windows from. Restart your PC and check if it works. If the BOOTMGR is missing error still appears, read on.

Important! In case you don't have a reserved disk, you can copy the bootloader to any other volume. Also, in order not to assign an active partition for booting, you can copy bootmgr to all volumes at once.

Select the command prompt again:

1. Enter bootsect /nt60 All
2. Restart your PC. If the error continues, you need to force the system to specify the partition from which to boot. Go to command prompt and type diskpart
3. Then List Disk
4. Determine system disk with Windows 7, guided by its size. Then enter the command select disk 0

   where 0 is the disk volume number.
   

Hi friends! Today we will restore the bootloader in the Windows 7 operating system, run through the pop food it will be interesting 🙂

In fact, errors with the bootloader in Windows 7 are quite common. Yes, and they can arise from many factors. For example, you wanted to install some other OS next to Windows 7, in which case the bootloader may be damaged, or not yet proper shutdown computer (immediately from the outlet).

You will most likely find out that you have problems with the bootloader from the message on the screen BOOTMGR is missing. Press Ctrl+Alt+Del to restart".

After such a message, you need to try to restore the bootloader, in fact, what we will do next.

How to restore bootloader to bootloader in Windows 7?

Windows 7 has a very good feature “System Restore“, that's it for her, and we will restore the bootloader. You can use System Restore only by booting from the installation boot disk with Windows 7.

So look for a disk, and if you don’t have it, then download and burn it to a disk, I already wrote.

We take our boot disk with Windows 7, insert into the drive and restart the computer. If the boot from the disk did not work, then we read the article and delve into the BIOS.

After you have started loading from the disk, we wait a bit and see this window:

We click on .

Check “Use recovery tools…”(as shown in the picture above) and select the operating system to restore (I do not have any OS, because I started the disk on virtual machine), your operating system will be listed there. All selected? Click "Next".

Press on . Will search for problems.

And then, if problems are found, troubleshooting will begin.

After the repair process, you will see a message stating that the problem is solved, or that the computer could not be restored. Personally, this has always worked for me. There is another way to restore the bootloader, through the command line, but I will write about this later.

I would like to separately note that often, problems with the bootloader in the Windows 7 operating system appear precisely through mechanical damage to the hard drive. Therefore, as soon as you start to have such errors, you should pay attention to hard work disk. Good luck!

Many faced a situation where the computer refused to boot and gave an error:

BOOTMGR is missing. Press Ctrl+Alt+Del to reboot

or its Russian version:

Bootmgr is missing. Press Ctrl+Alt+Del to restart

What does this error mean

The error means that the system cannot detect a working Windows bootloader on the media specified in the BIOS boot priority.

Possible Causes of the BOOTMGR is Missing Error and Solutions

1. The bootloader is damaged or missing.

Solution: You need to restore the bootloader.

Insert the Windows installation DVD (or USB drive) into the drive.

Attention! It is very important that you use the same installation distribution as when you installed the system. If you have Windows 7 Ultimate installed, then run System Restore from Windows disk 7 Home Basic will not work.

Boot from the installation disk. Press any key when you see the message Press any key to boot from CD or DVD:

In the next window, click Further:

Wait for the system to detect all installed copies of Windows on hard drives:

The recovery program will search for problems and try to restore normal Windows boot. While you see the following window, just wait:

Click the button Ready to restart your computer:

If Windows does not start to boot normally, repeat the procedure again. Sometimes, the recovery program copes with the problem the second time. If in this way it is not possible to restore the normal boot of the system, proceed to the next reason.

2. The 100 mb boot partition is not active.

In some cases hidden section 100 MB may not be. For example, if Windows 7 was installed on an existing partition after Windows XP.

Solution: make the section active.

Do the following: Launch a command prompt and type the following commands:

Diskpart - run the utility for working with disks and partitions list disk - display a list of disks sel disk 0 - select the disk on which Windows is installed list part - display a list of partitions (i.e. partitions) sel part 1 - select the boot partition active - do selected partition active

Options disk 0 and part 1 imply that your computer has one HDD, and the Windows bootloader is on the first partition (i.e. logical drive). This is the most common situation. However, it may be different.

When you see the message Section marked as active, close the console window and click the button.

Now consider a few more frivolous, but likely causes of the problem.

3. The hard drive priority settings in the BIOS have gone wrong.

If the CMOS battery is dead or has recently been removed, the settings may have gone wrong. Thus, the disk with the bootloader may be in perfect order, and the system is simply trying to boot from the wrong disk from which it is needed.

Solution: enter the BIOS, in the settings boot devices install the hard disk as the first device.

Setting the boot order to motherboard Gigabyte under socket LGA775 2010 release:

In parameter First boot device indicate hard drive:

Then, go to the section Hard Disk Boot priority:

and first install the disk on which the boot partition is located:
(The picture shows that the first number has a 180GB SSD, and the other two data drives have a lower boot priority)

Setting the boot order on a 2011 HP laptop:
(The picture shows that the hard drive is at the top of the list)

Passing advice! To avoid such situations, try to connect exactly the hard drive that contains the bootable drive to the SATA0 connector. Windows partition. With this option, if the BIOS settings go wrong, then the likelihood of changing the boot order is minimal.

4. A hard disk or flash drive is inserted into the USB port of the computer.

If USB priority boot is set in the BIOS, the computer may boot normally if there is no USB disk. However, if a USB drive is connected, the system may try to boot from it and subsequently issue error BOOTMGR is missing. Action: Disconnect all USB drives and flash drives and restart your computer.

During the startup of the operating Windows systems 7 and later, unexpected crashes occur that “spoil” the popularity of the OS against the general background. Most often, for some reason, the "seven" may not start, despite the fact that there is no damage. During startup, you may see Bootmgr is missing. What to do with Windows, in the article we will try to understand these reasons.

The following image appears on the user's screen:

What does this record mean, is it possible to solve this issue on my own, without the help of specialists?

There was an entryBootmgr is missing. What to do in Windows 7

First you need to decide what the appearance of the ill-fated record is connected with.

• Your computer has bad sectors hard drive, as well as non-working SSD computer cells. In most situations restore bootmgr possible without the intervention of specialists;
• Perhaps the PC spontaneously turned off or you accidentally pressed the “Reset” key during the reboot;
• Viruses have become active on a personal computer, this phenomenon is extremely rare;
• The user ineptly uses installed utilities that lead to a system failure.

There are several ways to solve the problem Bootmgr how to remove on your PC. Let's try to solve this problem with little bloodshed.

-"bootrec.exe /FixMbr" - MBR entry, which will redirect to the system partition;

-"bootrec.exe /FixBoot" - create a special boot entry on the actual system volume of your PC.

• Now it remains to restart the computer and turn it on again.

Perhaps, in general, a stalemate situation, when none of the above actions solves the problem of applying Bootmgr is compressed in this situation to the user. The most optimal, according to computer technology experts, will be to perform the operation using command line and teams bootrec.exe with the "RebuildBcd" attribute algorithm in effect.

A full scan will take place operating system personal computer. If during the scanning process a list of "useful" programs for the "seven" is revealed, the program will offer to load into a special attribute of the download list.

There is an entry Bootmgr is missing. what to do in Windows 10

If you have tried all of the above and nothing seems to work for you, you can go to extreme measures. Let's try to reserve the old BCD folder, which is responsible for starting your personal computer during operation and create a new Bootmgr when installing from a USB flash drive directly to your Personal Computer(PC). Please note that further actions with this command must be carried out along the chain, which is indicated below.

In some cases, the user does not know what the entry means Bootmgr is compressed. Let's try to explain the main criteria for this function.

• The device with which you launch the OS is not system unit. We turn off all available flash drives, phones, mobile devices, disks, including external hard drives, and start to force reboot the OS.
• We check the basic BIOS settings, which indicate the priority of booting the computer. It is possible that by accident the disk starts loading first, which in this case is not systemic. Check also via BIOS or special utility whether your operating system sees the hard drive (this phenomenon can be sudden on a PC).
• Let's try to reconnect the HDD cable cable, a failure is possible due to unreliable cable contact with the PC. Most likely, the cable is bent, and the signal is not sent to the motherboard.

The most critical variant of a computer failure, which allows you to understand what Bootmgr is missing means, is the banal absence of an operating system on your computer. Perhaps you spent full formatting, and your computer decided to show "character" and completely confused you. We are trying to additionally restore the OS or the corresponding partition on computer technology. As a last resort, try to check if the hard drive on the PC is damaged.