How to Fix 0xC000000F (Windows Boot Manager)
Quick Answer
Error 0xC000000F indicates that the Boot Configuration Data (BCD) for your Windows PC is either missing or corrupted, preventing the system from starting. The fastest fix often involves using Windows installation media to repair the BCD.
What Causes This Error
- Corrupted Boot Configuration Data (BCD) file
- Damaged or disconnected hard drive/SSD
- Incorrect boot order in BIOS/UEFI settings
- Corrupted system files or MBR (Master Boot Record)
- Power outages or improper shutdowns
- Malware infection
Step-by-Step Fixes
1Check Physical Connections and Boot Order
- Shut down your computer completely.
- Disconnect and reconnect all data and power cables to your hard drive or SSD.
- Restart your computer and enter the BIOS/UEFI settings (commonly by pressing F2, Del, F10, or F12 during startup).
- Navigate to the 'Boot' or 'Boot Order' section.
- Ensure that your primary hard drive or SSD containing the Windows installation is listed first in the boot priority.
- Save changes and exit BIOS/UEFI, then attempt to boot the system.
2Perform Startup Repair using Windows Installation Media
- Insert your Windows installation media (USB drive or DVD) into your computer.
- Restart your computer and boot from the installation media. You may need to change the boot order in BIOS/UEFI settings.
- Select your language, time, and keyboard input, then click 'Next'.
- Click 'Repair your computer' in the bottom-left corner.
- Select 'Troubleshoot' > 'Advanced options' > 'Startup Repair'.
- Choose your operating system (e.g., Windows 10/11).
- Allow the repair process to complete. This may take some time.
- Restart your computer after the repair is finished.
3Rebuild the Boot Configuration Data (BCD) for 0xC000000F
- Boot from your Windows installation media as described in the 'Perform Startup Repair' fix.
- Select your language and region, then click 'Next'.
- Click 'Repair your computer'.
- Select 'Troubleshoot' > 'Advanced options' > 'Command Prompt'.
- In the Command Prompt, type the following commands, pressing Enter after each:
- bootrec /fixmbr
- bootrec /fixboot
- bootrec /scanos
- bootrec /rebuildbcd
- If prompted to add installation to boot list, type 'Y' and press Enter.
- Type 'exit' and press Enter to close the Command Prompt.
- Remove the installation media and restart your computer.
4Run System File Checker (SFC) and DISM
- Boot from your Windows installation media and open Command Prompt as described previously.
- In the Command Prompt, type 'sfc /scannow' and press Enter. This will scan for and repair corrupted system files.
- Wait for the scan to complete. This may take a significant amount of time.
- After SFC completes, type the following DISM commands, pressing Enter after each:
- DISM /Online /Cleanup-Image /CheckHealth
- DISM /Online /Cleanup-Image /ScanHealth
- DISM /Online /Cleanup-Image /RestoreHealth
- These commands check and repair the Windows image.
- Type 'exit' and press Enter, then restart your computer.
5Check Disk for Errors
- Boot from your Windows installation media and open Command Prompt.
- Type 'chkdsk C: /f /r' and press Enter. Replace 'C:' with the letter of your Windows installation drive if it's different.
- If prompted that the volume is in use, type 'Y' to schedule the check for the next restart.
- Type 'exit' and press Enter.
- Remove the installation media and restart your computer. The disk check will run during startup.
Frequently Asked Questions
What does error 0xC000000F mean?
Error 0xC000000F indicates that the Boot Configuration Data (BCD) file, which tells Windows how to start, is either missing or contains errors. This prevents the operating system from loading.
Do I need a Windows installation media to fix 0xC000000F?
Yes, in most cases, you will need a Windows installation USB drive or DVD to access the recovery environment and perform the necessary repairs, such as Startup Repair or rebuilding the BCD.
Can a bad hard drive cause error 0xC000000F?
Yes, a failing or physically damaged hard drive or SSD can corrupt the BCD or prevent the system from accessing it, leading to error 0xC000000F. Checking physical connections and running disk checks are important steps.
Will fixing this error erase my data?
The recommended fixes, such as Startup Repair or rebuilding the BCD, are designed to repair the boot process without deleting user data. However, it is always advisable to have a backup of important data.