Error: Boot Configuration Data file is missing in Windows 10
“I've got this blue screen every time I start up my computer that says: Your PC/Device needs to be repaired. The Boot Configuration Data file is missing some required information. File: \BCD. Error code: 0xc000000d. You'll need to use recovery tools. If you don't have any installation media (like a disc or USB device) contact your PC administrator or PC/Device manufacturer. How can I fix it? I'm using Windows 10 by the way. Thanks!”
Have you ever encountered this error in Windows 10 saying your PC needs to be repaired? You might feel frustrated or even panic if it keeps showing and prevents the computer from booting up normally.
The cause of the problem is not hard to understand - when you boot your computer, it will check all the required configuration files to make a successful startup. If any information of the boot configuration data (BCD) file is corrupted or missing, Windows would not be able to boot up, and you are likely to receive this message: the Boot Configuration Data file is missing some required information.
How to fix Boot Configuration Data missing in Windows 10?
As the prompt on the error screen saying, you’ll need to use the recovery tools on your installation media, no matter it’s a disc or USB. But if you don’t have any, don’t worry too much, there are also approaches aside from contacting the manufacturer. Now, let’s have a look at these commonly used methods.
1. Rebuild BCD with Command Prompt
To fix corrupted BCD in Windows 10, you can rebuild it with command prompt. Here are the approach:
Step 1. Insert the available installation media, boot your computer from it (you may need to change boot order in BIOS). Select the language and other preferences, then tap Next button.
Step 2. Click Repair your computer at the left-bottom corner of Windows Setup.
Step 3. Click Troubleshoot and choose Advanced options, you can see multiple further options then.
Step 4. Click Command Prompt, type following commands and press Enter key after each.
Step 5. Type A at last to add the installation to the boot list, then press Enter.
Step 6. Now you can quit command prompt, and tap Continue to launch Windows 10.
2. Fix the issue with Startup Repair
Startup Repair is also a handy feature built into Windows. You can use it to fix some boot problems.
Step 1. Insert the installation media and boot your computer with it.
Step 2. Click Next > Repair your computer > Troubleshoot > Advanced options just as in method 1.
Step 3. Choose Startup Repair and wait till the repairing completes.
Step 4. Restart the computer to see if the error still exists.
If you have problem with using it, learn more about how to fix Windows 10 Startup Repair not working.
3. Create a bootable media easily if you don’t have any
This is a common situation in real life that you can’t find the installation CD when you actually need it. But since it’s the precondition to fix BCD missing in Windows 10 or Windows 8, you may need an effective alternative at first.
In my case, one of the easiest ways it to make a bootable disc by yourself, and the Create Bootable Media tool in AOMEI Backupper is a good choice. It’s totally free of charge, and the operation is pretty quick and simple.
First, you should find a working PC with Windows system. Download the freeware AOMEI Backupper Standard. It’s an all-around backup & restore program which can not only create bootable drive, but also solve many data related problems in Windows 10/8.1/8/7/XP/Vista, such as creating system backup image and recovering it.
Step 1. Install and launch the software on that working Windows PC, click Home > Tools > Create Bootable Media.
Step 2. Make your choice from two disc types, the second one Windows PE is recommended since it provides more flexible and convenient operations than Linux bootable disc. Click Next to continue.
Step 3. If your system is installed on a GPT disk, you can choose from following options. Then hit Next button.
Step 4. Select a storage media as you want. Corresponding media should be connected to your computer successfully in advance. Click Next to start the process.
Step 5. Wait for the progress completes and pull out the disc or USB.
Step 6. Now you’ve got a bootable media. You can use it to boot the computer with corrupted BCD, following the steps in Method 1 or Method 2.
Normally you can keep the default selection in Step 3 (Create legacy bootable disc). The second option is designed to improve the compatibility of being used on multiple computers with different hardware configurations.
A CD-burning program is required if you want to use CD/DVD as bootable media.
4. Perform system backup in case of BCD missing or corruption
Now you’ve known how to fix Boot Configuration Data missing in Windows 10. The problem is, solving it once doesn't mean it would never happen again.
As you know, Boot Configuration Data file is a part of system files. It is complicated and also vulnerable, which means you may encounter error 0xc0000034 as well as similar issues over and over.
To protect your computer better, you can make an image backup of the system when it’s in good condition or on a regular basis. Luckily, the operation can also be done with the software I mentioned earlier.
Step 1. Launch AOMEI Backupper Standard and click Backup > System Backup.
Step 2. The operation system will be automatically specified as the source. You just need to select a destination path. In addition to local disk, you can also backup system image to network drive/NAS, extertal hard drive, USB and so on for higher security. Alternately, you can also edit Task Name to make it easy to distinguish, or click Options, Schedule, Scheme to customize and optimize the backup. Then click Start Backup to begin.
Step 3. Wait till the process ends, click Finish to exit the wizard.
Step 4. Next time you encounter a system error, you can boot up Windows with the created bootable media, and restore your system to a point when there’s no such an error.
Incremental and differential backup are both available in this software, you can make the choice as you like. Note the scheduled differential backup can only be performed in AOMEI Backupper Professional and higher editions.
Options - it offers you multiple practical options to comment on the backup, choose backup mode, compress image, split image, etc. Some features in it (like backup encryption) are only available in advanced editions.
Schedule - here you can run the backup automatically on a daily, weekly or monthly basis. Two more options are provided in advanced editions: Event triggers, USB plug in.
Scheme - it will delete older backups automatically with the rules you set to save the space. It’s only supported by advanced editions.
System Backup will only create an image of system partition. You can also perform other backup features such as file backup or partition backup to protect your important data.
When you encounter the error that Boot Configuration Data file is missing some required information in Windows 10, you can follow the methods in this post to fix it. If you don’t have any bootable media, AOMEI Backupper enables you to create one by yourself. And after the problem is solved, don’t forget to create a system backup with the software in case such issues happen again.
What’s more, AOMEI Backupper can also help you to solve problems such as Windows 10 reset failed, backup failed, repairing disk error and so on. It’s an all-in-one data backup & disaster recovery solution to protect your Windows PC.