Fix The Boot Selection Failed Because a Required Device is Inaccessible

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9.07.2021

Fix The Boot Selection Failed Because a Required Device is Inaccessible


Fix The Boot Selection Failed Because a Required Device is Inaccessible
Normally when you turn on your computer, the system will boot from the storage drive where the operating system is located. If the drive containing the operating system is corrupted, the system will have a problem starting. As a result, you may receive the error,

'' The boot selection failed because a required device is inaccessible ''

This error is usually experienced right after installing a new operating system. Even some users experience this error after changing BIOS settings. Troubleshooting this error is not an easy process since you cannot access the system directly. 

There are numerous facts which could possibly be the reason for this error. However, this problem comes with some easy solutions which helps you to get rid of this problem effectively. 

In this article, you will get the information on Fixing The Boot Selection Failed Because a Required Device is Inaccessible. These solutions can be tried even if you cannot boot into the system. 

Let's get started,


1. Check Hard drive


A malfunctioning hard disk drive can also be the reason behind the error boot selection failed because a required device is inaccessible error. Especially, if the hard drive happens to contain bad sectors or corrupted files. If you suspect the hard drive to be faulty, you can use check disk, you can use Check Disk Utility (CHKDSK) to scan the drive for errors. 


2. Check Cables


The cable which connects the hard drive may be defective causing this error. A cable may become loose or defective if it is used for many years. Therefore, check the cable for damages. And see if the cable is connected properly to the respective ports. If you suspect the cables to be loose, unplug and plug them again.


3. Change Boot Order


Apart from the hard disk drive, the computer is able to boot from peripheral devices such as the USB flash drive and external HDD. The boot order could be changed for any reason. If the prioritized boot device happens to malfunction, it will cause problems loading the operating system. In this case, you need to change the boot order through BIOS.


4. Remove External Devices


One of the external devices connected to your computer like USB flash drive, printer and scanner may be faulty leading to this error. To simply identify the faulty peripheral, you need to remove each external devices one by one. And then restart to see if the problem fixes.


5. Rebuild BCD


This issue can also be caused due to corrupted BCD files. Hence, you can simply fix the problem by rebuilding BCD files. 

To rebuild BCD,

  1. Click on Start Menu.
  2. Type ''Command Prompt''
  3. Click on that.
  4. Type the command bootrec / rebuildbcd
  5. Press Enter.

6. Restore Windows


If any recent changes triggers the boot selection failed because a required device is inaccessible error, restoring windows will undo them to revert the changes. However, this method can only be attempted if the restore points are already created. In most systems on default, the restore points are created automatically. 

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