Questions tagged [bcd]

BCD means Boot Configuration Data on Windows Vista and higher. Its data stores boot configuration values and controls how Windows is started.

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After removing dual boot, Windows 10 didn't boot. It shows me only a black screen and cursor after Windows logo. How do I fix it?

I had Windows 11 as bootable next to Windows 10 but when I removed the 11's partition and rebuilt BCD and MBR for 10's partition, It didn't boot. It shows me only a black screen and cursor after ...
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158 views

How to disable driver signature enforcement mode if bcdedit /set TESTSIGNING ON fails?

I have been trying to set up some experimental driver, but I have typed quite several times: bcdedit /set loadoptions DDISABLE_INTEGRITY_CHECKS bcdedit /set TESTSIGNING ON Now I have an error saying: ...
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24 views

Windows Bootmanager on two NVMe drives

I have two nvme slots on my board, in one of which I have run Win 10 Pro for the past couple of years. Now I upgraded to a bigger nvme Drive and put that in the same slot, moving the old one to the ...
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bcdedit - The boot configuration data store could not be opened

I would like to run a bcdedit command, but the following error ocurred : The boot configuration data store could not be opened. Also, since the same time, all windows updates does not install properly ...
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35 views

Boot sector gets corrupted after every power outage

One of my Windows 10 computer's boot sector gets corrupted and unable to start whenever a power outage happens. Then I need to use a Windows 10 installation USB stick to fix it. I know it can happen ...
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202 views

My windows installation is not identified in bootrec /fixboot

I need to explain what exactly happened and what solutions I've tried First of all my windows 10 build 1909 was working just fine and was fully updated. But windows update just constantly reminded me ...
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1answer
211 views

Windows 10 BCD missing

I've seen countless forum posts on how to rectify this problem, but I keep encountering random issues when doing so. I'm currently using a USB stick with the windows installation media to try to see ...
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625 views

In BCD, what do the elements "displaymessage" and "displaymessageoverride" do?

As the question says. I can't find documentation covering the purpose of displaymessage and displaymessageoverride. It looks like BCD entries can have up to 3 names - the description which is what ...
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2k views

Windows 10 Update to 2004 failure - Error: 0x80004005 - 0x60016

I've been trying for the last week or so to get Windows 10 to update to 2004. I've tried all of the common solutions (sfc /scannow, DISM restore, media creation tool etc). After looking at the log ...
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946 views

bootrec /rebuildbcd finds "0" Windows installations

I have been running through several problems in the last days with my partitions and boot. I had dual-boot with Windows alongside Ubuntu, but I needed to remake everything again. This is the problem ...
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396 views

Error: "boot configuration data setting 0x25000020 has changed for the following boot application \windows\system32\winload.efi"

Yesterday I got a suspicious message when starting uTorrent, it said "The install of 'some temporary file.tmp' failed (signer certificate mismatch)". The file was an exe file with .tmp ...
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118 views

Resolving dual boot problems

I cannot successfully boot Windows through GRUB (BSOD), and cannot booth Linux through the Windows bootloader. My primary goal is to boot both Linux and Windows using a single bootloader, preferably ...
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586 views

Windows BCD error after installing Linux distro

I installed a Linux distro alongside Windows, however for some reason the GRUB menu didn't appear and not set up properly so I repartitioned the Linux drive in Windows and used EasyBCD to try and fix ...
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24 views

Cloned windows will not boot

Windows startup repair is not effective bootrec /scanos finds 1 installation bootrec /fixmbr returns success status bootrec /fixboot says access denied bootrec /rebuildbcd finds 1 installation If I ...
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224 views

Windows/Linux Bootdisk ISO

I am currently producing a bootdisk (similar to Medicat) that will boot live/installer linux and windows PE/install. I have managed to get bootmgr to load on the ISO but it says boot/BCD is missing. ...
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55 views

Windows partitions have the same c: on disk

I have 2 windows 7 installed on two C: E partitions: BCD menu is: Windows7 1 Windows7 2 when I choose in any of the 2, I enter my pc, they have the same partition C: and show the other partition ...
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248 views

Unable to install Windows 10 on Surface Book 2?

I'm trying to install Windows 10 on a Surface Book 2, but Windows keeps giving the error "Windows could not update the computer's boot configuration. Installation cannot proceed." I have tried ...
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Windows Won't Boot with "hypervisorlaunchetype auto"

I have the EXACT same problem as Hypervisor BCD Boot Problem but it has not been answered. I have enabled AMD-V in bios, I have checked msinfo for any problems with Hyper-V, reinstalled Hyper-V ...
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1answer
240 views

Cant boot into Win7 anymore - RebuildBCD wont work - Startup repair wont recognize windows drive

When I try booting into my windows 7, there is a black screen saying that \Boot\BCD is missing or corrupt. What I did was get a Windows 7 iso onto a USB and when I boot that, the "Load Drives" cant ...
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1answer
40 views

Boot into windows directly (not windows boot manager)/Editing the windows BCD from linux?

I accidentally deleted the windows 7 option from the windows boot manager using bcdedit, and now can't boot into it. Any help is appreciated
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2answers
30k views

How can I add a BCD Boot Entry for Linux in Windows Boot Manager in EFI?

I have a Windows 10 Laptop booting in EFI mode. I currently have Windows 10 and Linux Mint installed. I want to be able to boot into Linux mint from Windows Boot Manager. The thing is, I kind of ...
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1answer
455 views

Setting C drive as active disk

So I had 250GB SATA SSD (called Old disk from here onwards), which had C drive on it, it was MBR, set as active and bootable. Win10 was installed on it. Now I have bought a 500GB NVME SSD (called New ...
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2k views

Cannot repair bcd because the windows installation cannot be found

I'm trying to rebuild my BCD but my windows7 installation cannot be found. So far, I have typed these commands from the Windows7 install DVD (which I booted in UEFI mode) : X:\sources>chkdsk /r c:...
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1answer
9k views

access denied with bootrec /fixboot

I got a new SSD for my windows 10 home desktop computer recently. I used macrium to clone the HDD -> SSD and changed bios to boot from SSD. But when I tried cleaning the HDD I somehow corrupted ...
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110 views

Applying an image file using ImageX script gives boot configuration data store could not be opened error with new PC

I am applying windows image files, wim files, using Microsoft ImageX. This used to work fine but on a new version of what should be the same PC it now fails. The script is like this: DISKPART /s ...
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589 views

Windows 7: boot to Windows recovery environment without the original install CD?

I installed a new disk to my system that dual boots windows 10 and CentOS, I wanted to add the original disk that boots windows 7 to grub, Grub detected an error, I unplug the other disk and attempt ...
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1answer
1k views

Missing UEFI Boot option entry

Configuration HP Omen 15 1 original HDD 1Tb with windows 10 1 M2 SSD 500Gb with Windows 10 Pro (I initially cloned HDD to SSD) See diskpart disk/vol - my main system is in Volume 4 (drive E:) on ...
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I messed with easyBCD an can't find an answer elsewhere

I am on a Dell Inspiron 5567. I first installed ubuntu to try to use linux but then I wanted to delete it and install debian instead. But the usb boot never worked for debian (I don't know if I did ...
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1answer
13k views

Deleted bcd and now can’t boot windows

My computer has been having problems restarting ever since I added hypervisor to my bcd so I tried to delete it but ended up deleting the entire bcd. I have tried rebuilding the bcd with bootrec /...
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2answers
1k views

How does the Windows Boot Manager locate the BCD?

I am trying to understand the Windows boot process. I got as far as the EFI boot manager loading the Windows Boot Manager. But then it must access the BCD in order to proceed further with loading the ...
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179 views

bcd file ignored but partition is active

I cannot boot windows 10 after the latest update. The update took ages, then I got stuck at boot on a screen called "windows rollback" on which I tried to restore to a previous version without success....
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2k views

Replace Windows bootmgr file [duplicate]

I had a problem with booting windows 10 because I've changed the bootmgr path using : bcdedit /set {bootmgr} newpath after rebooting it said that the boot sector is corrupted. Using Linux I can enter ...
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3answers
9k views

bcdedit.exe refuses to open system store

Looks like my BCD is somehow broken but I can't figure out what is wrong. The system boots just fine but it prevents windows from installing updates: MoSetupPlatform: Opening BCD store... ...
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1answer
7k views

Removing and recreating EFI partition

I've wanted dualboot Win 10 and CentOS, but TL;DR I ended up with non-booting notebook. bootrec /scanOs can't find Windows installation (it is still there though). Auto repair doesn't work, neither ...
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2answers
40k views

Where is the BCD store physically located?

There are several tools to edit the BCD store, like bcdedit and Visual BCD Editor. They are editing the so-called "BCD Store". Where is it located physically? In filesystem (where)? On physical ...
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1answer
701 views

Cannot import bcd.temp when trying to rebuild corrupt BCD on Windows 2012 server 64bit

I have a Windows 2012 server which died on me a week ago. There is a full description of what's gone wrong here. It seemed I'd finally found a solution here. I have moved to USB2.0 to eliminate that ...
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1answer
157 views

Booting 2 Windows partitions on Single HDD; One via UEFI vs One via CSM BIOS - Possible?

Booting 2 Windows partitions on Single HDD; One via UEFI vs One via CSM BIOS - Possible? I'd like to be able to copy/ clone a Win 8.1 BIOS-MBR booting partition from a Hard drive 1 to the HDD 2 of a ...
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1answer
446 views

Error 0xc000000f when trying to boot Windows 10

OK, I have 3 entries in my BCD. They are: Windows 10 Insider Preview Windows 10 (Recovery) Windows 10 (ISO) The 1st one is my primary entry. The 2nd one is ONLY used if the 1st one fails to work (I'...
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1answer
38 views

Error when installing Windows 10

When I try to install Windows 10 on my laptop I get an error stating that the installer is unable to move into the next step of installation and to restart my PC to install Windows. This happens ...
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1answer
2k views

0xc000000f BCD error in windows 10... Nothings working

Its been a long night... I bought a new computer with no os. I was going to copy my copy of windows 10 pro to a 250gb ssd. While copying the power went out. This usually is just a minor annoyance but ...
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1answer
3k views

Windows 10 INACCESSIBLE_BOOT_DEVICE

I have moved my system partition to create 150 MB of space that I will later allocate to the boot partition. Due to this now whenever I try to boot I get the BSOD of INACCESSIBLE_BOOT_DEVICE. I ...
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1answer
2k views

Windows installation not identified. ?? Boot Configuration data file BCD error code " 0xc0000024"

The day just kept getting better!... I was in safe mode tidying up the loose ends of my compromised security ordeal only to be met with this message: "Windows 10 boot configuration data file is ...
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1answer
11k views

How to change BCD internal drive letter assignment

As you know, the following values can be changed by using BCDEDIT: device partition=E: osdevice partition=E: But question is that how did BCD name a certain volume (e.g. E: above) and how can it ...
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1k views

Can I change the icon of a Windows Boot Entry?

Is ist possible to change the icon for the ArchLinux entry shown below for Windows 10 (e.g. to the ArchLinux logo instead of the cmd-ish icon), using BCDEdit or some other tool?
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2answers
7k views

Use Windows 7 installation disk to fix Windows 10 BCD

My whole question is in the title. Is it possible to repair Windows 10 BCD using another version of Windows installation disk, Windows 7 in this case? I got the Windows 10 BCD corrupted when I ...
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1answer
371 views

Windows 10 not booting: Drive seems to have disappeared

I bricked my system by (I think) interrupting sfc /scannow somehow. Whatever I did, Windows won't boot anymore and throws this error. I tried all the usual things with recovery tools, like CHKDSK, ...
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1answer
863 views

Bootable dual-Win installation USB flash drive based on BCD

I made a flash with Win 10 installation on top of NTFS/BCD system after which I've added other bootable images to BCD like TeraByte Image for Windows, EaseUS Partition Master etc, all WinPE loaded ...
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1answer
5k views

Installed a new SSD, Windows still boots from the old one

I recently got a new 1TB SSD for my computer (a Lenovo ThinkPad P70). My plan is to have this disk as the main Windows 10 boot drive, and keep the old one (500GB) as a secondary drive. I didn't want ...
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33 views

Dual boot Windows OS automatic configuration

After soom manipulation with temporary connected another Win10 operating system installed on another HDD I got complicated situation wih my current Win 8 OS. I hadn't drive E: previously and I think I ...
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1answer
2k views

BCDEdit set device to not available Volume GUID

When running bcdedit on a not local store it's impossible to set the device parameter of the bootloader to a not locally available device. How to do it? In particular: I'm trying to set an external ...