Fix Boot Configuration Data Is Missing Error Windows 10

Synopsis

How to fix The Boot Configuration Data file is missing some required information error in Windows 7, 8, 8.1 and Windows 10? View solutions here.

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  • Domain - www.aomeitech.com

  • Category - Computer Basics/Computer Basics

  • Submitted By - Helen Green

  • Submitted on - 2018-03-30 14:31:39

Description

This article applies to Windows 10, 8.1, 8, 7 as well as Windows Vista, not including Windows XP. The steps of the following solutions are nearly the same for different system version except for some names of the options are not exactly the same in different systems.\r\n\r\n“The Boot Configuration Data file is missing some required information” Error\r\nHave you ever come across this Windows startup problem together with a blue screen with error code 0xc0000034? Sometimes the error code can be 0xc0000098, 0x0000000e, 0xc000000e, 0xc000000d, etc.\r\n\r\nBoot Configuration Data Is Missing\r\n\r\nOr, get “the Boot Configuration Data for your PC is missing or contains errors” message in Windows Boot Manager?\r\n\r\nBoot Configuration Data Missing\r\n\r\nThis is the same issue which will cause your machine won’t boot. Then, how to fix it? Just as you can see, it recommends you to make use of Windows installation disk’s repair tool. If you do not have one, you can either contact your system administrator or computer manufacturer to get one, or download Windows 10 installation media creation tool and make one by yourself.\r\n\r\nThe following solutions have chances to damage your data though they are still there now. Thus, you’d better to make a backup of crucial data before any fix to the error. There are two ways to move your data out:\r\n\r\nTake the hard disk out, connect it to a working computer and copy data out.\r\n\r\nOn a working machine, create a bootable media with professional backup software AOMEI Backupper. Boot the failed machine with the bootable media and backup important files out by embedded AOMEI Backupper.\r\n\r\nHow to fix The Boot Configuration Data is missing Windows 10?\r\nThe causes of boot configuration data file is missing windows 10 are one of the two:\r\n\r\nWindows Boot Manager (Bootmgr) entry is not present in the Boot Configuration Data (BCD) store.\r\n\r\nBoot\\\\BCD file on active partition is damaged or missing.\r\n\r\nIf it is the first cause, you will get “the Boot Configuration Data for your PC is missing or contains errors” message. Luckily, you can fix it by this guide: Fix BOOTMGR (Boot Manager) Is Missing Problem in Windows 7/8/10.\r\n\r\nIf it is due to the second reason, follow below solutions.\r\n\r\nSolution 1. Windows Automatic Repair\r\n\r\n1. Boot target computer with Windows installation disk.\r\n\r\n2. Choose your language, time as well as keyboard input to continue.\r\n\r\n3. Choose Repair your computer – Troubleshot – Advanced – Startup Repair and then wait it finishes.\r\n\r\nSolution 2. Bootrec.exe Rebuild BCD\r\n\r\n1. Select Repair your computer – Troubleshot – Advanced – Command Prompt after boot from Windows installation media.\r\n\r\n2. Type bootrec /rebuildbcd and press Enter.\r\n\r\nThis command will scan for Windows installations that is not included in the BCD and then ask you if you want to add one or more to it. You may be shown one of the following two results.\r\n\r\nSample 1\r\n\r\nRebuild BCD Sample 1\r\n\r\nSample 2\r\n\r\nRebuild BCD Sample 2\r\n\r\nIf you get the first result, it indicates that Windows installation data in the BCD store exists but bootrec can’t find additional Windows installations on the machine to add to BCD. Just continued to the next step.\r\n\r\nIf you get the second result, type Y or Yes to “Add installation to boot list” question. When it finishes successfully, restart the computer without Windows bootable media; it should work if there is no other system problems.\r\n\r\n3. If the BCD store exists, you can first of all “remove” it and then rebuild it. Type bcdedit /export c:\\\\bcdbackup and press Enter. This command can export the BCD file named bcdbackup to partition C.\r\n\r\n4. Remove hidden, ready-only and system attributes from BCD store in order to manipulate it by typing attrib c:\\\\boot\\\\bcd -h -r -s and press Enter.\r\n\r\n5. Type ren c:\\\\boot\\\\bcd bcd.old and press Enter to rename BCD store.\r\n\r\n6. Rebuild the BCD again by command bootrec /rebuildbcd and answer Y. When it operates successfully, restart the machine and it should fixboot Windows 10.\r\n\r\nTips: You can further fix MBR (Master Boot Record) and DBR (DOS Boot Record) by the following commands if fix BCD not work.\r\n\r\nbootrec /fixmbr\r\n\r\nbootrec /fixboot\r\n\r\nOr, you can make use of reliable disk partition manager - AOMEI Partition Assistant to help you rebuild MBR. AOMEI Partition Assistant is included in the bootable media created by AOMEI Backupper above. Or, you can directly create bootable media by Partition Assistant on working machine and this bootable media also embedded with Partition Assistant and AOMEI Backupper.\r\n\r\nRebuild MBR\r\n\r\nSolution 3. Create BCD\r\n\r\nOpen the above command prompt, type bcdboot c:\\\\windows and press Enter. This will copy BCD boot file from Windows partition to the motherboard partition. Finally, restart your PC.\r\n\r\nSolution 4. Manually Rebuild BCD Store with Bcdedit.exe\r\n\r\n1. Get to above command prompt.\r\n\r\n2. Type cd /d Partition:\\\\Windows\\\\System32 and press Enter. Partition represents the Windows partition letter which is usually C.\r\n\r\n3. Type bcdedit /enum all and press Enter. In the output of this command, in Windows Boot Loader section, note the GUID listed for resumeobject and you will use it later.\r\n\r\n4. Type bcdedit -create {bootmgr} -d "Description" and press Enter. Description represents description for new entry.\r\n\r\n5. Type bcdedit -set {bootmgr} device partition=Partition: and press Enter. Partition represents the letter of the partition and usually it is C.\r\n\r\n6. Type bcdedit /displayorder {GUID} and press Enter. GUID represents the GUID in step 3.\r\n\r\n7. Type bcdedit /default {GUID}and press Enter. GUID represents the GUID in step 3.\r\n\r\n8. Type bcdedit /timeout Value and press Enter. Value represents the time in seconds before Windows Boot Manager selects default entry created in step 7.\r\n\r\n9. Finally, restart the machine to see whether the Boot Configuration Data file is missing problem fixed or not.\r\n\r\nSee more detailed information of this solution >>\r\n\r\nSolution 5. Set Windows Partition Active\r\n\r\nSometimes, the partition where Windows installed is not set active will result in Windows can’t boot and give you “The Boot Configuration Data file is missing some required information” error message. Thus, just set Windows partition active will solve the issue.\r\n\r\nGo to above command prompt, type in the following command one by one and each with pressing Enter:\r\n\r\ndiskpart\r\n\r\nlist disk\r\n\r\nselect disk # (# is the number of system disk)\r\n\r\nlist volume\r\n\r\nselect volume # (# is the number of system volume)\r\n\r\nactive\r\n\r\nexit\r\n\r\nDiskpart Active Partition\r\n\r\nOr, you can boot up the failed computer with bootable media created by AOMEI Partition Assistant and active Windows partition with Partition Assistant.\r\n\r\nSet Active Partition\r\n\r\nTo Sum It Up\r\nAll above 5 solutions have tested by others and helped users to solve boot configuration data is missing in Windows 10, 8.1, 8 or Windows 7. For different situation, the working solution may be different. And, for you, one of them will handle your issue. If unfortunately they all fail, you can try the last solution to reinstall OS. Note to backup crucial data before reinstallation!

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