How to Install Windows XP When Bootmgr Is Missing

Written by curt lanning
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Bootmgr is a file more commonly known as boot manager. It controls which operating system your computer boots into. If this file goes missing or becomes corrupt, you computer won't be able to start because it won't detect any operating systems on the computer, even if you have one installed. Having this file missing when you want to install Windows XP can be a pain, but you can still install Windows XP with this file missing.

Skill level:

Things you need

  • Windows XP CD

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  1. 1

    Check and see if your BIOS is set up to boot from the CD drive. Do this by turning on your computer and looking for the message that says "Press to enter set-up" (where "" is the key to press to enter set-up; each computer is different). Press that key, and when you enter BIOS, look for the words "Boot order" and make sure "CD Drive" (or DVD depending on what kind of drive you have) is at the top of the list. Then exit your BIOS, saving the changes you made.

  2. 2

    Insert your Windows XP CD into the disc drive and turn the computer on. When the message "Press any key to boot from the CD" appears, press any key on the keyboard. At the welcome screen for Windows XP set-up, press the "Enter" key.

  3. 3

    Press "F8," and on the next screen pick the hard drive you want to format and install Windows XP on. Then, click "Next."

  4. 4

    Wait while set-up installs Windows XP. Most of the process is automatic, but at times it will stop the installation and wait for you to enter in information or choose options for the operating system. You have now installed Windows XP despite the Bootmgr file being missing.

Tips and warnings

  • Don't worry about the missing Bootmgr file. It only prevents you from getting into your operating system. You don't need it to install Windows XP. By starting the computer with the disc in the drive, you install Windows XP without booting into your old operating system. It will create a new and working Bootmgr file for your Windows XP installation.

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