A command-line tool in Windows Vista and later for editing the Boot Configuration Data (BCD).
Questions tagged [bcdedit]
125 questions
79
votes
11 answers
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 automated Windows repair fails, I can get to…
Domchi
- 2,789
39
votes
7 answers
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 Windows 8 in installed I want to dual-boot back…
Ian Boyd
- 23,066
8
votes
0 answers
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 partitions on one drive? developed my interest in this…
rajeev
- 1,984
8
votes
2 answers
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 harddrive sectors (where)?
On Flash ROM of…
Dims
- 13,414
7
votes
3 answers
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 (7200rpm) HDD which used to have the OS on it.
Disk 0…
MilkyTech
- 223
7
votes
2 answers
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 WinPE at \EFI\WinPE\Boot\bootx64.efi
When I boot into…
Dylan
- 293
6
votes
4 answers
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).
However, if I try running regedit as an…
Govind Parmar
- 184
6
votes
2 answers
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
6
votes
2 answers
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" entry.
The boot order can be altered in the…
netom
- 263
6
votes
4 answers
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 which boot entry is related to which physical…
rumburak
- 299
6
votes
2 answers
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 Space
Windows 10 (clone source)
I want to extend…
Rhaenys
- 932
6
votes
3 answers
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 into it's recovery sequence (Windows Recovery…
GrumpyCrouton
- 131
- 2
- 8
5
votes
2 answers
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 to replace the defective RAM, but when this is…
jgustavo
- 401
5
votes
2 answers
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 enable virtualization for the new Bluestacks N…
5
votes
4 answers
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…
Poma
- 1,896