Software⏱️ 4 min read📅 2026-06-19

How to Fix: Why am I getting BOOTMGR is missing error message?

Windows Boot Error

Quick Answer: Try booting in Safe Mode or using a Windows installation media to fix the BOOTMGR is missing error.

The 'BOOTMGR is missing' error message is commonly encountered on Windows-based systems, including the Asus Eee PC with Windows 7 Starter pre-installed. This error occurs when the system is unable to locate the Boot Configuration Data (BCD) store, which contains information about the operating system's boot configuration. The BCD store is typically located in the root of the C: drive, but it can also be found on other drives if the system has multiple boot devices.

This error can be frustrating because it prevents the system from loading and starting up properly. However, don't worry! This guide will walk you through the steps to resolve this issue without using a Windows installation media or switching to Ubuntu.

💡 Why You Are Getting This Error

  • The primary reason for this error is that the Windows installation media (CD/USB stick) is missing or not recognized by the system. When the system boots, it attempts to load the BCD store from the boot device, but if the media is not present or not properly configured, the system cannot locate it.
  • Another possible reason for this error is that the system's boot order is set incorrectly, causing the system to look for the BCD store on a non-existent drive. This can happen if the user has added a new device to the system without updating the boot order settings.

🛠️ Step-by-Step Verified Fixes

Boot from the Windows installation media

  1. Step 1: Insert the Windows 7 Starter installation CD or USB stick into the system.
  2. Step 2: Restart the system and enter the BIOS setup (usually by pressing F2, F12, or Del during boot-up). Ensure that the CD/USB drive is set as the first boot device in the boot order.
  3. Step 3: Save the changes and exit the BIOS setup. The system should now attempt to load the BCD store from the installation media. If successful, it will display the Windows installation screen.

Reinstall the operating system using a different method

  1. Step 1: Download and create a bootable USB drive containing the Windows 7 Starter installation files using a tool like Rufus or UNetbootin.
  2. Step 2: Insert the bootable USB drive into the system and restart it. The system should now boot from the USB drive, allowing you to reinstall Windows.

✨ Wrapping Up

By following these steps, you should be able to resolve the 'BOOTMGR is missing' error message on your Asus Eee PC with Windows 7 Starter pre-installed. If you're still experiencing issues after trying these methods, it may be necessary to seek further assistance from a qualified IT professional or Microsoft support.

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