Struggling with a "selected boot device failed" error on your computer? There's no need to panic. Explore these six straightforward solutions, complete with step-by-step visual guides, to get your system back up and running immediately.
The "Selected Boot Device Failed" error indicates that the system cannot initiate a boot sequence from the designated USB, CD/DVD, or hard drive.
There are many reasons that can cause the selected boot image did not authenticate error. Here are a few common causes:
◤ Incorrect BIOS settings: Features like "Secure Boot" may be misconfigured, or the BIOS may be set to an incompatible boot mode (Legacy vs. UEFI).
◤ Wrong boot order: The system is attempting to boot from a non-bootable or unavailable device because it is prioritized in the BIOS/UEFI menu.
◤ Corrupted system files: Missing or damaged files required for the startup process prevent the OS from loading.
◤ Hard drive failure: Physical damage or mechanical failure of the storage drive can render it unreadable.
◤ Damaged boot sector: If the sector containing the Master Boot Record (MBR) or GUID Partition Table (GPT) is corrupted, the hardware cannot locate the operating system.
Now that we've identified the potential cause of the "Failed to select boot device" error, let's explore some effective solutions to help you resolve this issue and restore your system to normal operation. Follow the steps in the next section to resolve this problem automatically.
If you’re looking to skip the manual troubleshooting, AOMEI Partition Software offers a more streamlined solution. Its dedicated "Boot Repair" tool is designed to automatically detect and resolve the "Selected Boot Device Failed Dell" error with minimal effort.
✍ Why use AOMEI Partition Software?
◉ Algorithmic precision: The R&D team has refined the software’s algorithms through extensive analysis of complex startup failures.
◉ Comprehensive fixes: Beyond just this specific error, it addresses a wide array of common boot issues effortlessly.
◉ User-friendly: It simplifies technical repairs, making it an ideal choice for those who prefer an automated, "one-click" style approach to system recovery.
A safe and reliable disk partition management tool that helps you migrate OS to SSD or HDD, reorganize disk space, and improve overall PC performance.
Step 1. Install and launch AOMEI Partition Software. In the Main Tab, please click the "Recover" tab and select "Boot Repair".
Step 2. The Boot Repair tool will pop up. Please click "Next" to start the system’s boot entries scan process.
Step 3. After the process is completed, it will display the scan result: system paths, system versions, and boot status. And, all repairable boot entries will be available to select.
► Advanced Settings: Select a location to store the repaired boot entry.
◆ Repair to the current disk: The system will boot from the current disk and ensure the boot files are complete and functioning properly. (By default)
◆ Repair to another disk: This operation will repair the boot entry or create a new system boot entry to ensure the system can boot from the disk you select.
Step 4. Select one/multiple repairable boot entries you want to repair and click the "Repair" button to start the boot repair.
Step 5. Wait for the repair process to finish. Once it is finished, you can check the repair result. If it succeeds, you will get a "Repair Successfully" result.
Dealing with a "Selected Boot Device Failed" error can be frustrating, especially when it feels like your PC is playing hard to get. Here are the completed steps and details for those six common solutions to get Windows 10 or 11 back on track.
Your BIOS/UEFI might be trying to boot from a USB drive, an empty CD drive, or the wrong hard disk. You need to ensure the primary drive containing Windows is at the top of the list.
Step 1. Restart your PC and tap the BIOS key (F2, F12, Del, or Esc) repeatedly.
Step 2. Locate the Boot tab or section.
Step 3. Move your primary hard drive (usually labeled "Windows Boot Manager" or the drive’s brand name) to the #1 priority position.
Step 4. Save and exit (usually F10).
The Boot Configuration Data (BCD) tells Windows how to start. If it's corrupted, you'll need a Windows Installation Media (USB) to fix it.
Step 1. Boot from the installation USB and select Repair your computer > Troubleshoot > Advanced options > Command Prompt.
Step 2. Type the following commands one by one, pressing Enter after each:
bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd
Step 3. Restart your computer.
System file corruption can prevent a successful boot. You can run these tools via the Command Prompt in the Advanced Options menu.
Step 1. Open Command Prompt from the Recovery Environment.
Step 2. Run the System File Checker: sfc /scannow /offbootdir=C:\ /offwindir=C:\windows (Replace C: with your drive letter if different).
Step 3. Follow up with DISM to repair the system image:
DISM /Online /Cleanup-Image /RestoreHealth
If you recently changed your hardware or updated your BIOS, the boot mode might be mismatched.
Step 1. Look for Boot Mode or Storage Controller Mode.
Step 2. If it is set to Legacy, try switching it to UEFI (or vice versa).
Step 3. Additionally, check if Secure Boot is causing a conflict; try toggling it off to see if the device boots.
Windows has a built-in "Startup Repair" tool designed to fix basic registry and driver issues that prevent booting.
Step 1. Boot into the Advanced options menu using installation media or by forcing a restart three times during the boot logo.
Step 2. Select Troubleshoot > Advanced options > Startup Repair.
Windows will diagnose the PC and attempt to fix the error automatically.
If software fixes fail, the physical connection or the drive itself might be the culprit.
Step 1. If you are on a desktop, ensure the SATA and power cables to your SSD/HDD are securely plugged in.
Step 2. If you use an M.2 NVMe drive, try unscrewing it and re-inserting it into the slot.
Step 3. If possible, connect the drive to another computer to see if it is recognized. If the drive doesn't show up at all, it may have reached its end of life.
The "Selected Boot Device Failed Windows 10" error stems from misconfigured BIOS settings, incorrect boot priority, or corrupted system files and hardware. To resolve this, users can utilize automated tools like AOMEI Partition Software or perform manual fixes, such as adjusting boot order, rebuilding the BCD, and running system commands (SFC/DISM). If software solutions fail, inspecting physical hardware connections or replacing the drive may be necessary.