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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Computer detects Windows 7 operations system twice

After using the following commands in windows repair iso: bootrec.exe /FixMbr bootrec.exe/FixBoot bootrec.exe/RebuildBCD bcdedit /export C:\BCD_Backup c: cd boot attrib bcd -s -h -r bootrec ...
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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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Windows 8 \boot\bcd corrupt file error

I want to install Windows 8. I already had Ubuntu and I deleted its partition. Now I can't install Windows 8 and get an error regarding file \boot\bcd being corrupt. I have no partitions now, so no ...
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5answers
65k views

How to use BCDEdit to dual boot Windows installations?

What are the bcdedit commands necessary to setup dual boot between different installations of Windows?5 Background I recently installed Windows 8 onto a separate hard drive1. Now that Windows 8 in ...
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1answer
416 views

Moving my bcd from HDD to SSD - Windows 7

I have windows 7 installed on my SSD, but the /boot/ and bootmgr are on my hard-drive. I want to move them to my SSD for faster booting times. So i figured that I can fix the problem using the ...
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2answers
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Triple boot WIndows 7, Windows 8, and Mountain Lion on Macbook Pro

Ok, So I have a bit of a unique situation here I could use some help on. I've modded my summer 2011 MBPro to have 2 harddrives by replacing the optical drive. OSX Mountain Lion is installed on a ...
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2answers
2k views

Hibernation fails; The system cannot find the file specified

Recently I installed Ubuntu 12.04.1 LTS on my Lenovo Y480. Hibernation was working properly after the Ubuntu install, but I was making sure all of the operating systems on my system worked, including ...
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2answers
648 views

Installing Windows 8 from a Hard Drive forces it to be a dependend drive to load Windows

I wanted to do a clean install of Windows 8 using a hard drive as an installation medium to a clean separate hard drive. Here is an initial hard drive config: A Windows 7 (I boot from it by default) ...
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2answers
682 views

Windows doesn't boot, Ubuntu does

I needed more space on my Ubuntu partition so I shrunk my Windows 7 partition by 25GB and then went into GParted on a live USB so I could extend my Ubuntu partition. At the same time I deleted the ...
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1answer
1k views

Option to set a drive letter missing

So.. I need to edit the BCD for a partition on my local hard disk using a program called EasyBCD. This program needs the partition to be mounted (have a drive letter) so it can access \Boot\BCD, but ...
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613 views

Booting Windows7 kernel from an initrd/wim image file

I'm wondering if it's possibile to have Win7 kernel and relative drivers (especially storage drivers) to boot from an initrd-like image file (maybe .wim?) and later then mount the windows root ...
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797 views

Can grub and BCD work simultaneously?

Here's my setup. After I installed a new SSD, I have: Original Windows 7 on sdc1 (to be retired) Copy of Windows 7 on sdb2 A Windows system partition on sdb1 Ubuntu 12.04 on sda, /boot and ergo grub ...
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Windows 8 RP doesn't start: 0xc0000428

My DVD Drive is broken, so I needed another option to install Windows 8. What i've tried is to create a VMWare machine assigned to a phisical drive and installed Windows 8 RP. Within VMWare this ...
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2answers
7k views

HP Recovery partition not accessable after repartitioning

I have HP Laptop that came with preinstalled Win 7. It actually had 4 primary partitions: 200 MB System partition that is not visible in Windows C: partition HP_Recovery partition of about 15 GB ...
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1answer
510 views

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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2answers
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Windows boot config data and partitions

Since Vista, Windows stores the boot menu in a Boot Configuration Data store (BCD). I took a look at mine today, and here's the entry for the one and only Win7 instance: Windows Boot Loader ...
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374 views

Why does the “System” process have my BCD open?

I discovered this when I tried to use EasyBCD to well, edit by bcd, but it said "The current file is in use and cannot be opened by EasyBCD..." So I tried to use handle.exe to stop it but it said ...
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1answer
465 views

Has BCDEdit Changed between Vista and Windows 7?

In Vista I got -displayorder to work with BCDEdit. But in Windows 7 I cannot change the display order. The only BCDEdit command that works for me is -timout. I have researched the topic, but the ...
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1answer
8k views

total identified windows installations: 0 (missing bootmgr?) WIN7

Using dual boot, I can access my H: (WIN7 boot) drive when I boot to my C: (Win-XP) drive but I cannot boot to Win7 directly. No change in hardware. Been working fine for 2 years. All previous ...
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136 views

Booting an unavailable Windows 7 Install

I had a drive with a full Win 7 install on it, but I installed a new Win 7 to a different drive, and the Boot configuration on that drive was completely removed. What would be the easiest way to ...
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1answer
313 views

Why is my OS not showing up under the Startup and Recovery Page?

I had a triple boot situation where I deleted the system reserved partition. I was able to get it back by following a gentleman's advice when I asked this question: Removing Linux Partition on ...
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bcdedit and testsigning mishap

I recently used bcdedit from an elevated command prompt to turn 'testsigning' on so I could load a custom driver. Much to my dismay, when I rebooted nearly all of my drivers were ignored by windows, ...
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What are the dangers of manually setting IncreaseUserVA?

I run visual studio 2010 on a 32bit system and regularly run into issues with running out of virtual memory so I can no longer do things like copy / paste in VS. I checked out a few options and the ...
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1answer
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Utility to interpret BCD.LOG and BOOTSTAT.DAT binary files (W7 Boot hangs)

The main question is : "Are there any utility that can interpret these two binary files: BCD.LOG BOOTSTAT.DAT both of them updated during the Vista/W7 boot process ? I already know of EasyBCD and ...
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WIndows 7 cannot boot - bootrec reports FS not found or corrupt

For 3 days now I've been unable to boot into my Windows 7 partition, and all my research has been to no avail. I'm hoping someone here has more ideas on how to fix this. When I boot up now, I get the ...
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2answers
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moving the location of BCD Store?

How do I verify that the BCD store has actually moved? I had: Windows Boot Manager -------------------- identifier {bootmgr} device partition=F: description ...
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3k views

Setting “USEPMTIMER” with BCDEDIT

What's the correct way to set the "USEPMTIMER" value with BCDEDIT (i.e. for Vista/Windows 7)? There's plenty of information around regarding setting it in boot.ini, but none that details how to set it ...
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1answer
642 views

System Drive and C: contains boot and bootmgr. Which Boot and bootmgr are being used by Windows 7?

I have a machine with Factory installed Windows 7. It has three partitions System Drive Windows Partition (C:drive) Recovery Partiition Now, there is a folder named Boot and a file named bootmgr ...
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276 views

Will Windows 7 pick up XP when grub is installed

There's similar questions but nothing quite exactly what i'm looking for I have a laptop that currently dualboots XP and Ubuntu, with XP chainloaded by grub. I'd like to get windows 7 in the mix, ...