What is causing the Selected Boot Device Failed error
After investigating the issue and looking at various user reports, we have created a list will culprits that are often responsible for causing the selected boot device failed error:
- Secure Boot is enabled in BIOS – The error is often reported to occur when secure boot is enabled and legacy mode is deactivated.
- Legacy boot is disabled in BIOS – Certain computers (especially older HP and Dell models) will display this issue when Legacy Support is disabled from the BIOS settings menu.
- Hard disk failiure – This particular issue can also occur if your hard drive has developed bad sectors that prevent your operating system from being loaded.
- System file corruption – Corrupted Windows system files can also lead to the apparition of this issue.
Method 1: Performing a Startup Repair using Command Prompt
It’s possible that the issue is occurring because the files that are being used in the startup procedure have become corrupted. You might be able to fix the issue by inserting the installation media and performing a series of commands through Command Prompt that will repair the startup operation.
Here’s what you need to do:
- Insert your Windows disk and press any key when the Boot from CD or DVD prompt appears. If you don’t have an installation media disk, you can transform a regular USB flash disk into Windows installation media by following the steps in this article.
- Click on Repair your computer in the lower left corner of the screen.
- Next, select Troubleshoot and click on Advanced Options.
- Click on Command Prompt from the list of utilities.
- In the Command prompt window, type the following commands and press Enter after each one. These commands will scan for any inconsistencies during the booting process and rebuild the Boot Configuration Data.
Bootrec /fixmbr Bootrec /fixboot Bootrec /scanos Bootrec /rebuildbcd
- Once all commands have been registered, close Command prompt and restart your machine.
At the next startup, see if the error has been resolved. If you still get the same error message, continue with the next method below.
Method 2: Disabling Secure Boot and Enabling Legacy BOot from BIOS settings
Users in a similar situation have reported that the issue was fixed and their computer booted normally after they accessed the BIOS settings and disabled Secure Boot. Other users have reported that the issue was only fixed after they enabled Legacy Support.
You can verify if this fix is effective by accessing your BIOS during the startup phase. To do this, press the Boot keyaccording to your manufacturer’s guidelines during the startup process. You can search only for your specific Boot key or try any of the following: F2, F4, F8, F10, F12 or Del key.
Once you’re into your BIOS settings, look through the System Configuration options and find Legacy Support and Secure Boot. Once you do, set Legacy Support to Enabled and Secure Boot to Disabled. Then, make sure to save this configuration and reboot your computer.
PRO TIP: If the issue is with your computer or a laptop/notebook you should try using Reimage Plus which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption.
If this fix is effective, your computer should boot up normally without the “The selected boot device failed. Press <Enter> to continue” error.
If the issue is still occurring, continue down with the next method below.
Method 3: Investigating a hardware failure
If you’ve come this far without a result, it’s almost certain that the issue you’re dealing with is not software related. The thing is, the majority of the cases dealing with this issue that we researched turned out to be hardware failures – either a bad drive or a faulty motherboard.
One procedure that will give you an idea whether your hard disk is going bad is to press Esc + F2 when the error message appears. This will trigger a drive scan that will let you know whether your issue is hardware related.
If the results point towards a hardware failure, send your computer to service to warranty if you’re still eligible. If not, look for a professional capable of doing additional investigations.
Method 4: Performing a repair install or a clean install
If the first method was not effective, let’s make sure that the issue is not caused by system file corruption.
The easiest method of finding out if this is true is to perform a clean install. However, doing this means that you’ll lose your personal files, applications and potentially everything that you stored on your Windows driver.
A more elegant way is to perform a repair install. This procedure will reinstall all Windows-related components while allowing you to keep your personal files and applications.