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A required device isn t connected or can t be accessed windows 10

FIX: A required device isn’t connected or can’t be accessed 0x000000E on Windows 10/8/8.1

Last updated on May 30th, 2019

This tutorial contains instructions to fix the following blue screen problem on a Windows 10 or 8 based computer: «Your PC/Device needs to be repaired. A required device isn’t connected or cannot be accessed. Error Code: 0x000000e».

The BSOD error 0x000000E is occurred because the boot configuration data is invalid and commonly the error appear after an improperly computer shutdown (e.g. power outage) or because your OS disk becomes damaged, or because the one mirror disk has failed, if you ‘re using the Windows mirroring feature for fault tolerance in Windows 10/8/8.1 OS.

In this tutorial you ‘ll find instructions to resolve the Error 0x000000E: A required device isn’t connected or can’t be accessed, in Windows 8 or 10 OS.

How to fix «A required device isn’t connected or can’t be accessed» BSOD Error 0x000000e on Windows 10/8/8.1

Suggestion: Before you continue to the methods below…

  1. Enter BIOS SETUP.
  2. Locate the SATA Configuration setting. (Commonly named as «SATA Mode» or «SATA Controller Mode» or «SATA Operation» or «Configure SATA as»).
  3. If the SATA Mode is set to AHCI or RAID then change it to IDE. If the SATA Mode is set to IDE then change it to AHCI.
  4. Save Changes and Exit BIOS Settings.
  5. Try to boot in Windows. If Windows doesn’t start, then revert the SATA setting back to what it was and proceed to apply the methods below.

Notes:
1. If you receive the 0x000000e, on a system that you have used software mirroring for fault tolerance, then break the mirror first, with the DISKPART tool in Recovery Environment. Detailed instructions to do that can be found in Method-2 in this tutorial.
2. In order to resolve the 0x000000E Boot error, you need to start your computer from a Windows installation/recovery media. If you don’t own a Windows Installation Media, then you can create one (corresponding to your Windows Edition and Version) directly from Microsoft.

Method 1. Fix Boot Configuration Data using BOOTREC tool.

1. Power on your PC and boot from a Windows 10 installation/recovery media.
2. At the Windows Setup screen press SHIFT + F10 to access command prompt, or choose Next –> Repair your computer –> Troubleshoot –> Advanced Options –> Command Prompt.

3. In command prompt type the following commands in order:

  • bootrec /fixmbr
  • bootrec /fixboot
  • bootrec /scanos *

* Note: If after executing the «bootrec /scanos» command you receive that «Total identified Windows installations = 0» then give the following commands, before you continue to next step:

    • bcdedit /export C:\bcdbackup
    • C:
    • cd boot
    • attrib bcd -s -h –r
    • ren C:\boot\bcd bcd.old

4. Rebuild Boot Configuration Data:

5. Press «A» to Add installation to boot list and press Enter.

6. Close all windows and restart your computer. If Windows still fails to boot, then try Method 2.

Method 2. Repair Boot Configuration Data using BCDBOOT tool.

1. Power on your PC and boot from a Windows 10 installation/recovery media.
2. At the Windows Setup screen press SHIFT + F10 to access command prompt, or choose Next –> Repair your computer –> Troubleshoot –> Advanced Options –> Command Prompt.

3. In command prompt type the following commands in order:

4. Note the size in Megabytes of System Partition. *

* e.g. As you can see at the screenshot below, the partition size of System partition is 99 MB.

5. Find out the volume number of the system partition * and the drive letter of OS drive,** by typing this command:

* At the previous step we found that the system partition is 99 MB. So, from the screenshot below, we understand that the System partition is the «Volume 2».

** The OS Drive, is the drive where the Windows installed. Commonly this is the «Volume 0», the largest volume on the list. At this example the OS drive is located at «C» drive letter.

6. Select the System partition and assign a drive letter to it. Then exit DISKPART:

  • select volume2 *
  • assign letter=Z
  • exit

* Note: Change the Volume number according your case.

7. Finally, in command prompt give this command:

* Note : Replace the letter » C «, according the drive letter of the OS volume at your case.

8. Close all windows, remove the Windows Recovery media and try to boot in Windows normally. If Windows doesn’t boot, then follow the same steps, but at the end, type this command:

  • bcdboot C :\windows /s Z: /f UEFI

That’s it! Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.

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20 Comments

D R Sherwood
November 7, 2020 @ 3:05 pm

OMG. I life saver. Worked EXACTLY as described. THANK YOU, THANK YOU, THANK YOU. Saved me from having to rebuild my pc from scratch. Thank you SO much.

Zachary D Sanso
October 26, 2020 @ 5:24 pm

Thank you so much! This literally saved me.

Nate
October 23, 2020 @ 6:22 pm

I also cloned a hard drive to a ssd, method 2 worked for me. Thank you, much appreciated

Kino
September 29, 2020 @ 5:44 pm

Method 2 saved my life. Thank you so much!

Mercury
February 25, 2020 @ 7:58 pm

Exactly the same scenario for me as Neale except I moved from SSD to M.2 NVMe and method 2 worked a charm. You saved me such a mess!! Thanks a lot.

Qwer
December 28, 2019 @ 12:02 pm

Thanks the second method works for me

Lil
November 20, 2019 @ 3:35 am

You just saved me an OS reinstall. Had to combine several of the Shift+F10 steps and for the last one, had to exit DISKPART but the UEFI boot worked. Whoohoo

Srinivasan
October 28, 2019 @ 10:36 am

Superb fix, i was in a trouble for 2 days completely. I used method 2 first, then method 1 and then method 2 at last, it magically worked.

Jamie
October 13, 2019 @ 9:26 pm

Solution 1, step 5 gave me an error that it couldn’t find the drive (or something similar. I know I should have written it down. I then went through solution 2 and it worked after step 7. HOwever, I then ran a ‘error check’ utility and when it rebooted and completed, i was back to the blue screen unable to boot. I booted back up and went back through all steps with same result and PC is back up again. I’m afraid now some utility might break it again. What does step 8 do? Should I specify /f UEFI? Is that why the scan «broke» the boot? Other than this, THANK YOU!! I’ve spent a week and all day sat making clones of my HDD going out to a new SSHD and minitool had the best options allowing me to add the uefi part to the disk, but it’s 2nd and booting, the PC wasn’t seeing it. Anyway, thanks so much!

JESUS
September 12, 2019 @ 8:58 pm

ERES UN HEROE PARA MI, OPCION 2 FUNCIONO PARA MI

Breah
August 31, 2019 @ 10:56 pm

Method 1 failed. Method 2 worked perfectly. Thank you for this guide. Please donate as well if this helped.

roland
August 20, 2019 @ 2:27 am

Option 2 perfect for me 🙂
Thanks

Kapil Kumar
August 12, 2019 @ 6:53 pm

Actually, I’ve installed additional ssd in main slot and hdd in disk drive slot using caddy. I installed windows on ssd,but by default recovery partition got created on hdd only. In the first time my windows shows the same error, but after going into boot menu and exiting from it boots normally. Everytime I need to do the same thing.
I tried everything mentioned on this site and I also reinstalled windows, it also didn’t solve the problem.

Ángel Hernández
August 24, 2019 @ 6:58 pm

I have the same problem using a Dell Latitude E5530, booting up first time throws error «a required device bla bla» then i enter into bios just to press esc and then Windows is booting as normal, i have the ssd on the caddy and my hdd in the main slot, did you fix the problem somehow?

David
July 19, 2019 @ 6:25 pm

Guys this one worked for me, simply check the hdd connections, I have a laptop that uses one hdd and one ssd, the ssd with the windows installed on it was slightly out of its place, I just pushed it back in the socket and voila.

Kevin Rose
July 11, 2019 @ 11:35 pm

Tried to clone a hard drive over to SSD and got the error message listed in this article. Option 2 worked perfectly for me. Thanks for writing this guide!

Alexandre
June 14, 2019 @ 8:45 am

Method 2 has worked but, during boot, a screen to select OS is shown. How to get rid of it? Thanks in advance.

lakonst
June 14, 2019 @ 11:31 am

@Alexandre:
1. Open the System Configuration utility (Press the Windows + R keys to open the run command box and then type «msconfig» and click OK).
2. At the ‘Boot’ Tab, highlight the OS that you want to be the default and click ‘Set as default.
3. Then highlight the OS entry and click Delete.

T
May 29, 2019 @ 9:27 pm

Thanks a lot! Method 2 saved my day 🙂

neale
May 12, 2019 @ 12:24 pm

Thanks, Option 2 worked a treat for me after a HDD to SSD ghost clone failed to boot

Источник статьи: http://www.wintips.org/fix-a-required-device-isnt-connected-or-cant-be-accessed-0x000000e-on-windows-10-8-8-1/


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