Hello, I have an Alienware laptop and it says ‘Bootmgr is missing’! How can I solve this problem to access to my laptop? Is it a big problem with my laptop’s system? I usually use this laptop to play games. But I don’t know which factor causes this error. Could you please help me out of this problem?

What’s Bootmgr(Windows Boot Manager)?

Bootmgr is short for Windows Boot Manager. It’s a windows boot manager which is normally located in your computer’s operating system boot volume (Mainly C:\ drive). Bootmgr is mainly to control boot volume which helps to execute winload.exe when a computer starts to load pre-installed Windows, and Bootmgr is used by system loader to continue the Windows boot process. Bootmgr only works with Windows 10, Windows 8.1, Windows 8, Windows 7 and Window Vista, but boot managing department on Windows XP is called NTLDR.

How does the error ‘Bootmgr is missing’ happen on your PC?

Generally, ‘Bootmgr is missing’ problem occurs right after when you boot your computer, and the error message can be showm as below:

“BOOTMGR is missing
Press Ctrl Alt Del to restart”
“BOOTMGR is missing
Press any key to restart”
“Couldn’t find BOOTMGR”


There are many various causes for BOOTMGR error and it’s hard to tell. However, the most common reasons 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. Also BOOTMGR error happens happen if you boot your PC from a hard drive or flash drive that is not properly configured well to be booted from. It’s very upsetting that you can’t access your PC because of Bootmgr errors. Therefore, to correctly identify what causes the error and how to fix it properly will be important task for you to get your PC worked normally again.

How to fix ‘Bootmgr is missing’ problem

To fix ‘Bootmgr is messing’ problem, you are suggested to follow the ways below to have a try by running Startup Repair from Windows Recovery Environment (WinRE)
To run Startup Repair from the Windows Recovery Environment (WinRE), follow these steps:
1.Insert the Windows installation disc into the disc drive, and then start the computer.
2.Press a key when the message Press any key to boot from CD or DVD appears.
If your PC does not detect the media automatically
a.During the restart process, read the screen for any instructions that explain how to interrupt normal startup and enter the basic input/output system (BIOS) setup utility. Most PCs use the F2, F10, ESC, or DEL key to begin the BIOS Setup.
b.Look for a tab in the BIOS Setup Utility that is labeled Boot Order, Boot Options, or Boot. Following the directions on the screen, use the arrow keys to go to the Boot Order, then press Enter.
c.Locate the CD, DVD, or USB flash drive (this might be called Removable Device) in the Boot list. Following the directions on the screen, use the arrow keys to move the drive up so that it appears first in the Boot list. Press Enter. The boot order sequence is now changed to boot from the CD, DVD, or USB flash drive.
d.Press F10 to save your changes and to exit the BIOS Setup Utility. Select Yes in the confirmation window. The PC will restart.
3.Select a language, a time and a currency, a keyboard or input method, and then click Next.
4.Click Repair your computer.
5.In the System Recovery Options dialog box, select the drive of your Windows installation, and then click Next.
6.At the System Recovery Options dialog box, click Repair your computer.
7.Click the operating system that you want to repair, and then click Next.
8.In the System Recovery Options dialog box, click Startup Repair.

Warm Suggestion: If you can’t manage to deal with the ‘Bootmgr is missing’ problem by yourself, you’re suggested to contact our Yoosecurity online Technician for a more professional fixing!

Published by Tony Shepherd & last updated on October 8, 2016 5:19 am

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