Questions tagged [bcdedit]
A command-line tool in Windows Vista and later for editing the Boot Configuration Data (BCD).
121
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Problem recreating BCD on Windows 7 64bit - The requested system device cannot be found
NVIDIA drivers upgrade crashed my Windows 7 installation, so I'm working to undo the damage.
What I can do: I can boot Windows install from the USB drive, and I can boot the Hiren's Boot CD. Although ...
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7
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How to use BCDEdit to dual boot Windows installations?
Short Version
What are the bcdedit commands necessary to setup dual boot between different installations of Windows?5
Long Version
I recently installed Windows 8 onto a separate hard drive1. Now that ...
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2
answers
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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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answers
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How to create Boot Menu Entry in UEFI Settings using bcdedit w/o copying existing {bootmgr}
Note – This thread How to add UEFI image boot option in BCDedit? is similar but the answer there is irrelevant as it does not describe my case.
This thread How remedy situation with two EFI ...
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2
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How do I change the UEFI Boot Order from within Windows 10?
I have multiple Operating systems installed, each with their respective EFI file in the ESP (EFI System Partition).
For example: I have Windows 10 at \EFI\Boot\Microsoft\bootmgr.efi, and I have ...
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6
votes
4
answers
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Why can't I edit the system BCD store via regedit?
So, as you probably know, the registry hive HKEY_LOCAL_MACHINE\BCD00000000 is actually the system BCD store; it's the same information you see when you run the BCDEDIT command (as an Administrator).
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2
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What is the best way to move MBR and bootmgr to new drive (Windows 10)?
I have several hard drives in my desktop but only 1 has the OS (Win 10). Here is an image of my Disk Manager:
Disk 2 (D:) is an old slow dying backup HDD.
Disk 1 (G:) is a much newer faster (...
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6
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2
answers
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views
Windows 8 changes boot order
I installed Windows 8 and Ubuntu 12.10 on a 3TB GPT disk in UEFI mode.
Both can boot up OK.
Both operating systems created their ntries in the UEFI boot menu, there's an "ubuntu" and a "Windows 8" ...
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5
votes
2
answers
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Running windows with faulty memory which can not be replaced
In cases of deviced with soldered/integrated RAM (eg tablets and ultrabooks), a defect in the memory means that the computer becomes an expensive paperweight.
It is clear that the best alternative is ...
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5
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3
answers
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How to figure out boot disk from bcdedit?
I have Windows Server 2008 R2 software mirror.
I boot from volume c:.
When i use:
bcdedit
I can see 3 different "Windows Boot Loader" entries with "device partition=C:". How can I figure out ...
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5
votes
2
answers
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Bluestacks does not run even though I disabled Hyper-V
I tried disabling Windows Subsystem for Linux (WSL), Windows Defender Application Guard, and Hyper-V, but even THAT didn't work. I always disable virtualization to run Bluestacks, but now I need to ...
5
votes
2
answers
15k
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How to get the GUID of different HDD partitions?
I was trying with BCDEDIT and DISKPART but that tools give me an ID that is not the GUID
Note: I am testing in Windows 7
4
votes
3
answers
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Programmatically restart computer and boot into flash drive
I originally posted this on Stack Overflow but was told that this may be a better place to post this question, so here goes;
I've created a small script which will automatically reboot a computer ...
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4
votes
1
answer
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How does Windows Vista/7/2008 bootmgr work behind the scene?
It always used to be possible to transfer a Windows installation (NT/2000/XP/2003) to a new boot medium by:
Recreating the partition table and MBR
Copying the partitions using ntfsclone
Tricky part: ...
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4
votes
4
answers
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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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4
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1
answer
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Need handholding with BCDEDIT modifications
Just upgraded my Win7-32 computer by adding a new hard drive, new memory and a new installation of Win7-64. The Win7-32 installation still exists and was on the C:\ drive but now from the Win7-64 ...
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0
answers
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Windows 10 won't boot with bcdedit hypervisorlaunchtype auto
i'm trying to run a virtual Linux on my Windows 10 Pro Maschine using Hyper-V.
In order to start that VM i have to enable the build in Hyper-V Hypervisor.
The problem is that as soon as i run "...
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3
votes
3
answers
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views
BCDEDIT: Should device and osdevice parameters be the boot or windows partition?
My boot files and BCD are on E:,
My windows files are on C:
When setting the BCD should the windows boot loader device and osdevice be C: or E:?
I already have an entry for Windows Boot Manager ...
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3
votes
1
answer
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Cloned Windows 10 won't boot
Issue: Windows 10 clones to same disk/different SSD won't boot.
Why: I've got a M.2 NVMe with the following structure:
300 MB Recovery Partition
100 MB EFI System Partition
Windows 8.1
Unallocated ...
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3
votes
4
answers
6k
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What is the equivalent command for bcdboot in bcdedit?
Making a new boot entry for Windows 7/8 (for dual boot) can apparently be done very easily with bcdboot. For example (see here):
bcdboot D:\windows
Now, reading through forums I find people using ...
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How to set the recoveryenabled to NO in bcdedit?
How to set the recoveryenabled to NO in bcdedit on Windows 7 32 bits????
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Windows bcdedit stores config parameters in NVRAM? what does it mean?
In Win10 bcdedit /?, the help text says it will store boot configuration parameters in nonvolatile RAM (NVRAM) entries.
Is that ridiculous? As far as I know, bcdedit stores configs in disk files.
To ...
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2
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Boot error loop -> /rebuildbcd error and cant set active volume
Background
After my sister's three months of vacation with no internet access, she got home and there were many updates for Windows 10 and Norton installed.
After reboot Windows didn't start. ...
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3
votes
3
answers
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Use BCDEDIT to configure PXE boot as default boot option
I have a lab full of computers using UEFI that I want to always attempt to PXE boot before all other boot options. However, after automatically imaging a PC with Windows 8.1/Windows 10, the UEFI boot ...
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1
answer
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BCDedit showing the requested system device cannot be found, unable to get into safemode
I have a lenovo t430 laptop which boots shows the windows boot screen but then goes black for the login screen I suspect windows update has caused an issue and Im sure it can be resolved in safe mode ...
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3
votes
1
answer
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How to fix Boot Configuration Data (BCD) for Windows 8 EFI system
I have Lenovo H530 Desktop which comes with Windows 8. I tried to install Ubuntu on the system and ended up messing something on my way. Current status is my system won't boot into either one of them ...
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3
votes
1
answer
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bcdedit issue? M.2 SATA to NVME clone: Windows 10 won't boot
Problem: Windows partition won't boot after cloning M.2 SATA drive to M.2 NVME.
Background: Cloning process was simple raw dd copy. Drive had EFI, Windows 10, and Linux partitions. Cloning preserved ...
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2
votes
1
answer
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Windows 8.1 Pro won't boot, Status: 0xc000000e
My computer has been working fine until yesterday. I turned it on and immediately after the motherboard logo, I got an error screen (light blue) saying, Your PC Needs to be Repaired with an error code ...
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2
votes
2
answers
3k
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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 ...
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2
votes
1
answer
3k
views
Why can't Windows 7 find my BCDEdit store location?
Quick backstory: I'm attempting to resolve "unknown errors" that come up trying to upgrade from Windows 7 to Windows 10. Whether or not this issue has anything to do with it doesn't matter, I just ...
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votes
1
answer
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IncreaseUserVA current value
I would like to look up my current value of "IncreaseUserVA".
There is this windows setting "BCDEDIT /set IncreaseUserVa 3000" which allows me to change a memory splitting.
Well, before I want to ...
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1
answer
368
views
Is there a way to copy the contents of an ISO file to a specific windows partition and boot from it?
I'm currently trying to accomplish the following from the windows command line / powershell - create a bootable partition from an ISO, add a boot entry for it and boot from it.
It's important to note ...
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2
votes
0
answers
1k
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Remove 'BCDEdit set {bootmgr}' entry
While dual booting Ubuntu with windows, I had encountered 'Ubuntu grub not showing' problem.
At the stage, I typed on the following command on windows command prompt.
bcdedit /set {bootmgr} \EFI\...
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2
votes
0
answers
368
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How to create a custom safe mode option
I want to create a custom safe mode option (like Minimal and Network).
I began by going to the registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SafeBoot
and made a new key called ...
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2
votes
2
answers
757
views
Automatic switching between different installed Windows systems
I have currently 3 Windows systems installed on my machine (2x Win7, 1x Win8). To switch between them I have to restart my PC, choose right system in Windows Boot Manager and hit enter. Can I write ...
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votes
1
answer
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How do I identify & fix a defunct MBR entry on a remotely-admin'd Win2008 Server?
My 1&1 Winserver had a disk replaced, and I managed to rebuild the RAID so I have once again two synched disks. The trouble is whenever the server is rebooted it seems to be still trying to boot ...
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votes
1
answer
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Windows 8.1 Boot Issues - Possibly Graphics Driver?
Yesterday I was notified my desktop was going to restart in 15 minutes. So I quickly finished what I was doing and I clicked "Restart and Update." I let it shut down and restart like normal but when ...
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0
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Windows 7 - bcdedit shows device and osdevice = unknown
I recently added a new 2 TB drive to my desktop, and reordered how SATA cables were plugged into my motherboard for my other 3 disks (moving some to SATA 6 gb/s port on motherboard etc). This new ...
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1
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Direct boot from Windows to Linux with UEFI
I'm trying to create scripts on both Linux and Windows allowing direct booting to each other with UEFI.
On linux it looks like:
efibootmgr -n 0001 && sync && reboot
Where "0001" is ...
2
votes
1
answer
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How to use windows bootloader to dual boot windows and ubuntu on uefi?
What I exactly tried is...
Installed windows 10 with uefi.
Installed Ubuntu 17.04 with uefi on the 20GB drive. The ubuntu bootloader is installed on the efi system partition created while installing ...
1
vote
2
answers
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View Windows 7 BCD Settings
I recently ran the command bcdedit /set {default} bootstatuspolicy ignoreallfailures to ignore Windows Startup Repair.
I would now like to verify that this option was set in BCD. How can I go about ...
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Clear all entries from bcdedit
I was wondering if anyone had a batch file that cleared ALL entries from BCDEdit.
I plan on using bcdboot to insert the correct boot entry after it is cleared.
Note: I am not authorized to use third ...
1
vote
1
answer
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How to Clone OEM Recovery Partitions
I have a PC running Windows 10 May 2019 Build 18362.
I'm trying to migrate from a small M2 NVME SSD to a larger and faster one. I tried different disk cloning/imaging apps with no luck (True Image, ...
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1
answer
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Changing "Startup and Recovery" settings with BCDEDIT in Windows 7
I would like to know if it's possible to change "Startup and Recovery" options from the command-line..
I would like to:
Change time to display list of OS to: 1 seconds
Enable and set time to ...
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3
answers
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What does BCDEdit do?
My new Windows 7 installation fails to boot.
At Microsoft support page, I found this howto (using the Windows 7 Recovery Disc):
bcdedit /export C:\BCD_Backup
C:
cd boot
attrib bcd -s -h -r
ren C:...
Tessio
1
vote
1
answer
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What is the difference between bcedit and diskpart for deleting partitions
I successfully removed grub in two different ways:
First one was to use rmdir inside the EFI volume after assigning it a letter using diskpart, and the second one was using bcdedit and deleting the ...
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1
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Windows 10 - Ubuntu: Windows bootmgr set to wrong partition
I am using Dell Inspiron 7560, dual booted with Windows 10 and Ubuntu. Windows is installed on a 128 GB SSD and Ubuntu is installed on a partition of a 1TB HDD. Each of the drives also have an EFI ...
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1
answer
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Installing Windows 10 with bootloader on a different disk?
I'm trying to install Windows 10 on a brand new NVMe disk, but I just found out my motherboard can't boot from these (but windows sees it natively in the installer and installs just file), however, I ...
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1
answer
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Creators Update and bcdedit change?
Does anyone know if creators update introduced changes to bcdedit? My searching hasn't turned up much yet.
However, a standard script that I used to get machines setup for a safe mode reboot no ...
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1
answer
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How to identify and remove unused boot entries on Windows 2008 server after mirrored disk failure
I had one of the software mirrored disks on a Server 2008 R2 server fail. It dropped off, a reboot brought it back, but it was out of date, so I had to revert to the mirror and rebuild the bad disk (...
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