Summary :

the boot selection failed because a required device is inaccessible

When booting the calculator, you may encounter the error of the boot selection failed because a required device is inaccessible. This postal service from MiniTool will bear witness yous how to solve this operating organisation booting error.

Quick Navigation :

  • What Causes the Boot Choice Failed Error?
  • How to Rescue Data When Encountering the Boot Failed Pick Failed Error?
  • seven Solutions to the Kicking Pick Failed Considering a Required Device Is Inaccessible
  • Bottom Line
  • User Comments

What Causes the Boot Selection Failed Fault?

Some users mutter that when they kicking their reckoner they come across the fault the kick selection failed considering a required device is inaccessible. It usually occurs on Windows 7/8/10 and Windows 2008 R2, as shown in the following picture:

the boot selection failed error

In general, the boot option failed because a required device is inaccessible error often comes with some dissimilar mistake codes, such as the 0xc000000f, 0xc000000e, 0xc0000225, 0xc0000185 and then on.

However, what may cause the error of the boot selection failed because a required device is inaccessible? As a matter of fact, it can exist caused past various reasons. Here, we briefly show some reasons.

  • Invalid BCD.
  • Hard drive offline.
  • Misconfigured BIOS settings.
  • Hard disk bad sectors.
  • Connection of external hard drives.
  • Cable connection effect.

And so, exercise you know how to resolve the boot pick failed mistake? To fix the kick selection failed Windows 7 error, the post-obit section will prove you the solutions. But earlier proceeding on the solutions, what you lot demand practice is to go information dorsum from the unbootable computer and so as to avoid data loss.

Hence, before fixing this the boot choice failed because a required device is inaccessible error, we will bear witness you lot how to rescue your data get-go.

How to Rescue Data When Encountering the Kicking Failed Option Failed Error?

To go your data back from the unbootable computer, you can exercise that with the assist of professional fill-in software. Thus, MiniTool ShadowMaker is strongly recommended.

MiniTool ShadowMaker enables yous to support files and keep them safe from an unbootable computer. Besides backing up files or folders, it tin can also support disks, partitions, and even the operating organisation. Information technology can besides aid to clone the Bone from HDD to SSD without information loss.

So, before fixing the boot option failed required device is inaccessible mistake, try MiniTool ShadowMaker to rescue data first. Yous can download MiniTool ShadowMaker Trial from the following button or choose to purchase an avant-garde edition.

Costless Download

Now, we will show you how to rescue information with MiniTool ShadowMaker when encountering 0xc000000f the boot choice failed because a required device is inaccessible error.

Since your calculator is unbootable when coming across the boot pick failed fault, the bootable media is required.

Footstep 1: Install and launch MiniTool ShadowMaker

  1. Install MiniTool ShadowMaker on a normal figurer, and then launch it.
  2. Click Keep Trial.
  3. Choose Connect in This Computer to proceed.
hoose Connect in This Computer to continue

Footstep 2: Create the bootable media and kicking from it

1. After entering its primary interface, go to the Tools page and click the Media Builder characteristic to continue. Then you can follow the wizard to create the bootable media.

click Media Builder to continue

two. Then connect the bootable media to the unbootable calculator. Restart your computer and press the setup key to enter BIOS.

3. Change the kick order. Hither, you need to set the bootable media as the first boot order.

change boot order

Footstep iii: Starting time to rescue your data from the unbootable computer

1. Afterward booting figurer from the MiniTool bootable media, you volition enter the principal interface of MiniTool ShadowMaker.

2. Get to Backup page, click Source module, choose Folders and Files, and select the files yous desire to rescue.

select the files

iii. Click the Destination to choose the destination path. It is recommended to save the files to an external difficult drive.

four. Afterward that, click Dorsum up Now to go the files back from the unbootable figurer.

click Back up Now to continue

When all steps are finished, you have successfully rescued information from the unbootable computer which encountered the error of the boot selection failed considering a required device is inaccessible.

Apart from the Fill-in characteristic, the Sync feature of MiniTool ShadowMaker too enables you to get data dorsum from the unbootable media.

file sync software thumbnail

How to sync files so as to keep data condom in Windows 10/8/7? Attempt to use the best file sync software – MiniTool ShadowMaker.

MiniTool ShadowMaker is a powerful tool that can help me to go along my data safe and go data back from the unbootable computer. Click to tweet

Having rescued your files, it is time to fix the fault of the boot selection failed because a required device is inaccessible 0xc0000225.

7 Solutions to the Kicking Selection Failed Because a Required Device Is Inaccessible

Now, we will show you how to fix this kicking choice failed Windows seven error.

Solution 1. Check Computer Cablevision Connections

To brainstorm with, you lot need to make sure that all computer connections are connected properly to the right ports. Bank check the connections at both ends of the cables.

If all computer cables are connected correctly, restart your computer and check whether the issue of stop 0xc000000e the boot selection failed considering a required device is inaccessible is solved.

If this solution is non effective, try the following solutions.

Solution 2. Remove All External Devices

As we have mentioned in the higher up part, the 0xc000000f the boot selection failed because a required device is inaccessible error may be acquired by the connection of external devices.

So, to solve this boot selection failed Windows 7 mistake, you demand to disconnect all peripheral devices such as printers, external hard drives, memory card readers, etc. from your computer.

So restart your reckoner to check whether the boot selection failed because a required device is inaccessible is solved.

Solution 3. Bank check Kicking Social club in BIOS

The boot selection failed because a required device is inaccessible afterward clone may be caused by the misconfigured BIOS settings. So, in order to solve this boot error, try to check the kicking club in BIOS.

Hence, yous can restart your calculator and press the Setup key repeatedly to enter the BIOS menu. And and then bank check whether the commencement boot order is correct. If not, set it correctly.

When it is finished, reboot your figurer to cheque whether the boot selection failed because a required device is inaccessible is solved.

how to enter bios windows 10 8 7 thumbnail

Check how to enter BIOS in Windows 10/8/7 PC (HP, ASUS, Dell, Lenovo, any PC). 2 ways with steps on how to admission BIOS on Windows ten/viii/seven are provided.

Solution 4. Run Check Deejay

If at that place are corrupted files or bad sectors on difficult drive, you may come across the kicking pick failed required device is inaccessible error. Thus, you can endeavour to run check disk utility to scan and repair them.

Now, here is the tutorial.

Pace 1: Kick the computer from installation disc

  1. Equally your calculator is unbootable, an installation disc is required. If y'all don't have, click here to download Windows 7 installation disc.
  2. Then connect it to your computer and boot from it.
  3. Select the proper linguistic communication, time and keyboard input.
  4. Then cull Repair your computer to continue.
choose Repair your computer to continue

Pace 2: Type the command

ane. In the System Recovery Options window, choose Command Prompt.

hoose Command Prompt

2. And so type the command chkdsk C: /f and hit Enter to continue. (Yous tin supervene upon the C with the letter of the drive where Windows is installed.)

type the command

After that, reboot your computer and cheque whether the consequence of the boot selection failed because a required device is inaccessible is solved.

Related article: How Do I Repair Hard Drive Error with Windows x CHKDSK Utility?

If this solution is non constructive, try the following solutions.

Solution 5. Run Startup Repair

The Startup Repair of Windows tin can aid you to resolve some boot errors, such as the kick selection failed because a required device is inaccessible. So, in gild to solve this kick choice failed error, yous can try Startup Repair.

Now, hither is the tutorial.

Step ane: Enter Windows Recovery Environment

Kicking your computer from the installation disc and enter the Windows Recovery Environment. You can meet the detailed operation instructions listed to a higher place.

Step 2: Beginning to repair

one. Afterwards entering System Recovery Options page, click Startup Repair to continue.

choose Startup Repair

2. And so information technology will scan your computer. If there are some problems with your calculator, it will detect and set them. You tin can follow the wizard to go along.

When all steps are finished, reboot your calculator and check whether the effect of the boot option failed because a required device is inaccessible 0xc0000185 is solved.

Solution 6. Rebuild BCD

Equally mentioned in the above role, the issue of the 0xc000000f the boot selection failed considering a required device is inaccessible can be caused by the corrupted BCD files. Therefore, to set this kick selection failed problem, yous can try rebuilding the BCD files manually.

Now, here is the tutorial.

Step 1: Boot computer to enter Windows Recovery Surround

  1. Boot your computer from the installation disc and select the language, time, and keyboard input.
  2. So choose Repair your computer.

Pace ii: First to repair BCD

  1. Later entering Organisation Recovery Options page, click Command Prompt to proceed.
  2. In the popular-up command line window, blazon the command bootrec /rebuildbcd and hit Enter to go on.
type the command

Note: If the program finds a Windows installation and asks whether it should add it to boot listing, type Y to continue.

When the procedure is finished, reboot your computer and check whether the issue of the boot selection failed considering a required device is inaccessible is solved.

Solution 7. Marker the Disk Online

Yous may encounter the boot option failed because a required device is inaccessible after clone. It is because the disk is offline. In order to solve the boot pick failed Windows 7 mistake, you tin marking the disk online.

Now, hither is the tutorial.

Pace 1: Kick the computer and enter Windows Recovery Surround

  1. Connect the installation disk on your unbootable computer and kicking from information technology.
  2. Choose linguistic communication, fourth dimension and keyboards input.
  3. Then cull Repair your computer to continue.

Stride 2: Mark the deejay online

  1. Later entering Organization Recovery Options, choose Control Prompt to continue.
  2. In the pop-up window, input the following commands and hit Enter subsequently each command.
  • diskpart
  • list disk
  • select disk x (x represents the disk number.)
  • online disk x

After marking the disk online, you can reboot your computer to bank check whether the issue of the boot option failed because a required device is inaccessible is solved.

All in all, this post has introduced seven ways to solve the issue of the boot selection failed because a required device is inaccessible. If all these solutions are not effective, you tin can try to reset BIOS. Otherwise, you lot can choose to reinstall the operating system. But before reinstalling the OS, please get data dorsum from first from the unbootable computer.

I encountered the boot option failed considering a required device is inaccessible error when booting figurer. But the ways listed in this post helped to solve it. Click to tweet

Bottom Line

To sum up, this post has introduced what may cause the boot option failed because a required device is inaccessible and has also demonstrated 7 ways to solve this boot pick failed mistake.

If you lot take whatsoever better solution to solve the kick pick failed required device is inaccessible, yous can share it in the annotate zone.

In addition, if you have any problem with MiniTool production, please don't hesitate to contact united states via the email [e-mail protected] and nosotros will reply to you every bit presently equally possible.