Windows Failed To Start File Efi Microsoft Boot Bcd
- Failed To Start File System Check On /dev/dis
- Windows Failed To Start File Efi Microsoft Boot Bcd Windows 10
“Windows Boot Manager Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: 1.insert windos cd and run a repair your computer option. File: /boot/bcd Status: 0xc000000f “.
For a typical deployment scenario, you do not need to modify the BCD store. This topic discusses the various BCD settings in the BCD store that you can modify. On UEFI systems, this includes settings for the following boot applications:
- 2) make a service to /EFI/Microsoft/Boot nuke itself automatically. 3) an API to prevent windows writing these files. 4) stop windows updates completely (would like to avoid this however) 5) if all else fails BCD entry to launch grub2.efi. Edited by ndog37, 01 August 2017 - 10:58 AM.
- Mar 19, 2011 BOOT BCD 0xc000000d unreadable boot configuration data I am running Windows 7 64 bit Ultimate on two PCs on my home network. I went to use one yesterday and was presented with a.
- Hi Everyone, After imaging a PC using UEFI PXE I get an error when Windows 7 first tries to boot. The error is from Windows Boot Manager. Windows failed to start.
- “Windows Boot Manager Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: 1.insert windos cd and run a repair your computer option. File: /boot/bcd Status: 0xc000000f “.
The following sections describe the available settings for each of these boot applications in detail and how to modify each application for UEFI systems.
For simplicity, the BCDEdit examples in this section modify the BCD system store. To modify another store, such as a copy of the BCD-template, include the store name in the command line.
Windows Boot Manager Settings for UEFI
Windows Boot Manager ({bootmgr}
) manages the boot process. UEFI-based systems contain a firmware boot manager, Bootmgfw.efi, that loads an EFI application that is based on variables that are stored in NVRAM.
The BCD settings for the device
and path
elements in Windows Boot Manager indicate the firmware boot manager. The template that is named BCD-template for Windows includes the following settings for Windows Boot Manager.
Device Setting
The device
element specifies the volume that contains Windows Boot Manager. For UEFI systems, the device
element for Windows Boot Manager is set to the system partition volume letter. To determine the correct volume letter, use the Diskpart tool to view the disk partitions. The following example assumes that the system has a single hard drive that has multiple partitions, including a system partition that has been assigned a drive letter of S.
The following Diskpart commands select disk 0 and then list the details of the volumes on that disk, including their drive letters. It shows volume 2 as the system partition.
If the system partition does not have an assigned drive letter, assign one by using the Diskpart assign command. The following example assumes that the system partition is volume 2 and assigns it S as the drive letter.
After you have determined the system partition volume, set the device
element for Windows Boot Manager to the corresponding drive letter. The following example sets device
to drive S.
Path Setting
The path
element specifies the location of the Windows Boot Manager application on that volume. For UEFI systems, path
indicates the firmware boot manager, whose path is EFIMicrosoftBootBootmgfw.efi.
You can confirm that BCD-template has the correct path by enumerating the values in the store, as follows:
To explicitly set path
to EFIMicrosoftBootBootmgfw.efi, use the following command.
Other Settings
You should set Windows Boot Manager to be the first item in the display order of the UEFI firmware, as shown in the following example.
You should also specify the topmost Windows boot loader application in the Windows Boot Manager display order. The following example shows how to put a specified Windows boot loader at the top of the display order.
In the preceding example, <GUID> is the identifier for the specified Windows boot loader object. The next section discusses this identifier in greater detail.
Note A multiboot system that has multiple installed operating systems has multiple instances of the Windows boot loader. Each instance of the Windows boot loader has its own identifier. You can set the default Windows boot loader ({default}
) to any of these identifiers.
Windows Boot Loader Settings
A BCD store has at least one instance, and optionally multiple instances, of the Windows boot loader. A separate BCD object represents each instance. Each instance loads one of the installed versions of Windows that has a configuration that the object's elements have specified. Each Windows boot loader object has its own identifier, and the object's device
and path
settings indicate the correct partition and boot application.
BCD-template
for Windows has a single Windows boot loader object that has the following settings.
The identifier for this Windows boot loader is {9f25ee7a-e7b7-11db-94b5-f7e662935912}. You can use this GUID on your system or let the BCDEdit tool generate a new GUID for you.
To simplify BCDEdit commands, you can specify one of the Windows boot loaders in the BCD system store as the default loader. You can then use the standard identifier ({default}
) in place of the full GUID.The following example specifies the Windows boot loader for EFI as the default boot loader, assuming that it uses the identifier GUID from BCD-template.
Device and OSDevice Settings
The following elements specify key locations:
The device
element specifies the partition that contains the boot application.
Failed To Start File System Check On /dev/dis
The osdevice
element specifies the partition that contains the system root.
For the Windows boot loader for EFI, both elements are usually set to the drive letter of the Windows system partition. However, if BitLocker is enabled or a computer has multiple installed versions of Windows, osdevice
and device
might be set to different partitions.BCD-template sets both elements to drive C, which is the typical value. You can also explicitly set the osdevice
and device
values, as shown in the following example. The example also assumes that you have specified the Windows boot loader for EFI as the default boot-loader object.
Path Setting
The path
element of a Windows boot loader specifies the location of the boot loader on that volume. For UEFI systems, path
indicates the Windows boot loader for EFI, whose path is WindowsSystem32Winload.efi.
You can confirm that BCD-template has the correct path
value by enumerating the values in the store. You can also explicitly set the path
value, as shown in the following example.
Windows Memory Tester Settings
The Windows memory tester ({memdiag}
) runs memory diagnostics at boot time. The BCD settings for the application's device
and path
elements indicate the correct application.
Yamaha mio sporty review. Note Note: Intel Itanium computers do not include a Windows memory tester and do not require {memdiag}
settings.
BCD-template for Windows has the following settings.
Device Setting
For UEFI systems, the device
element for the Windows memory tester is set to the system partition drive letter. The following example assumes that the system partition is drive S, as used in earlier examples.
Path Setting
The path
element specifies the location of Windows Test Manager on the volume that the device
element has specified. For UEFI systems, path
indicates the EFI version of the application (EFIMicrosoftBootMemtest.efi).
You can confirm that BCD-template has the correct path
value by enumerating the values in the store. You can also use the BCDEdit tool to explicitly set the path
value, as shown in the following example.
With RUFUS all I get is a distorted Starting windows logo screen (attached). With option 2 and diskpart I get a
boot error (attached).
You attachments do NOT work because you are actually emailing a robot that converts the text content of the e-mail to a github issue. If you want to provide files, please don't use e-mail but go to #254 and add a new entry.
Also, if option two also fails, then it really looks like this is an issue with your specific system, not Rufus.
One thing I noticed is that with RUFUS, the EFI/BOOT folder only has
bootx64.efi, while the diskpart (option 2) version has all the original
files and font folder etc. plus the bootX64.efi that I added.
That's normal. Only /efi/boot/bootx64.efi is needed. Also, many people have been installing Windows 7 x64 in UEFI mode using Rufus, using the same directory structure and files as the ones you have, so if this was an issue with missing or misplaced files, it would have been reported a long time ago.
Again, if option two fails, your problem doesn't seem to have anything to do with Rufus.
But just to be on the safe side, you may want to attach the complete log that Rufus produces when you create your USB flash drive, to see if there's anything of significance in there.
Windows Failed To Start File Efi Microsoft Boot Bcd Windows 10
You may also want to try the Windows 7 USB tool.
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