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21 November 2018  Ashley S. Miller  Specialist of Customer Service Dept.
 

Summary
Receive the error code 0xc000000f when starting computer and fail to login? How to solve it? Here, reason of error code 0xc000000f and solution of fixing 0xc000000f will be provided.



Causes of the Error Code 0xc000000f

Cause 1: PC is connected with Damaged Power Cord or External Devices

As the power cord is used for a long time, it could be damaged. As a result, there could be something wrong when trying to boot the Windows. The boot process will be haulted and users may receive the error code of 0xc000000f. Besides, if the PC is connected to external devices which can not work, it will also cause error code 0xc000000f.
Check PC and power cord

Cause 2: BCD File Is Damaged or Missing

BOOTMGR boot loader is installed in Windows and BCD is a part of BOOTMGR. Moreover, BCD is a database of system configurations. If BCD is missing or damaged, it can not be found when you try to boot Windows.
Error code 0xc000000f

Cause 3: System Files Get Damaged

If a PC is powered off while processing important data, system files may get damaged then error code 0xc000000f happens.

Solution 1: Check and Change Power Cord and Remove External Devices

Step 1: Check the connection cable and replace it with a new one if it is damaged or used for a long time.
check and replace power cord
Step 2:  Try to remove all unncessary external devices including CD, USB, printer, etc. Then restart your PC.
external devices

Solution 2: Use Startup Repair in Windows Recovery Environment

Step 1: Connect your PC to Windows installation disk and start the PC.

Please change the boot order in BIOS settings and put CD-ROM or Removable Devices as the first boot choice. Then your PC will boot from Windows installation disk.

change BIOS boot order
Step 2: After booting from Windows installation disk, please click “Repair your computer” in the bottom-left corner when you enter the Windows installation screen.
Repair your computer
Step 3: Select “Troubleshoot”> “Advanced options”> “Startup Repair”. Then restart your PC after the recovery process completes.
startup repair in Windows
Tips: You can also hold down the power button two times after you start your PC and will enter Windows Recovery Environment. Then select “Troubleshoot”> “Advanced options”> “Startup Repair”. Please be careful when you force Windows to start safe mode.

Solution 3: Repair or Rebuild BCD

Step 1: Connect your PC to Windows installation disk and start the PC.


Please change the boot order in BIOS settings and put CD-ROM or Removable Devices as the first boot choice accordingly. Then your PC will boot from Windows installation disk.
change BIOS boot order
Step 2: After starting your PC, click “Repair your computer” then select “Troubleshoot”> “Advanced options”> “Command prompt”.
select troubleshoot in windows safe mode
command prompt
Step 3: Type these commands in order: bootrec / fixmbr, bootrec / fixboot, bootrec / scanos, bootrec / rebuildbcd. Please press “Enter” after you type each command.
Repair or Rebuild BCD
Step 4: Once you type the above commands, Windows will be automatically scanned and BCD will also be rebuilt. Finally, restart your PC.