Fix Boot Device Not Found issue in Windows 10 - MiniTool Solutions

The boot device not found error message appears on the screen of your HP, Dell, Lenovo laptop or desktop? This post offers some general solutions to troubleshoot this issue for Windows users whose PC cannot find boot device.

No Boot Device Found Windows 10

"Earlier this day I was using my computer normally until I ran into a blue screen, at first I thought It was a normal error, but the blue screen suddenly faded away and my computer turned off, At that point I already knew something strange was happening but my computer suddenly turned on again, and I was greeted by diagnostics, after some time the diagnostics was completed and a message popped up along with a loud beep, the message read something among the following: No hardware issues found, no bootable devices found. And on the lower right there was an option to shutdown my computer which I did, and the same thing happened again, so after following some advices online I tried to run diagnostics to see If my hard drive worked (even though windows was installed into my ssd) and it seems that every component in my computer worked, so I decided to create a recovery drive in another computer, and when I plugged the recovery drive into my computer I was greeted by the advanced startup options screen but it only had two choices troubleshoot and turn off, so I decided to click trouble shoot and try every single option, unfortunately none worked and one even told me to reset my computer from the same menu, except the option wasn't in troubleshoot, and at this point I'm stuck, I don't know what to do anymore or if I even can recover windows from my computer, could anyone help me and tell me what to do next?"

It was what an user had posted in Microsoft forum, “boot device not detected” error is very common, have you ever encountered this issue before?

How to Fix HP Boot Device Not Found Windows 10 Solution 1: Test and Fix Hard Disk

Firstly you need to check whether your hard disk has a good state or not. Usually, the related bootable device not found issues are caused by the damaged or faulty hard disk. Therefore, it is suggested to test your hard drive.

How to do this work? Don't worry, here a reliable and excellent third-party tool – MiniTool Partition Wizard is worth recommending to you.

As partition and disk management software, it is designed to manage disks and partitions well, including resizing partition, doing conversion between NTFS and FAT32, doing conversion between GPT and MBR, migrating OS to SSD, rebuilding MBR, copying disk/partition and so on.

This tool has "Bootable Media" feature which enables you to manage your disks and partitions when there is no operating system or system fails to boot.

Before you do:

In order to do disk surface test, you need to buy MiniTool Partition Wizard Professional Edition because Free Edition doesn't support to create a bootable disc with "Bootable Media".

Step 1: After building a bootable disc and booting your computer from the device, you will go to an interface. Click "Partition Wizard" to launch this tool.

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Step 2: Then you will go to the main interface of MiniTool Partition Wizard. Select the target disk, and then click this feature "Surface Test" in the left pane.

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Step 3: Then click "Start Now" button to start a disk test. During the process, MiniTool Partition Wizard will mark bad sector "red", and mark disk block without error "green".

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Solution 2: Repair MBR or Boot Sector

As you know, MBR is a part of computer boot hard disk which contains executable code to function as a loader for the operating system and it can help PC boot successfully. Once it is damaged, your PC will fail to boot with the bootable device not found error.

Therefore, the important thing is to repair the master boot record or boot sector. In this case, MiniTool Partition Wizard Bootable Media can also offer a help.

Step 1: Please boot PC from the bootable disc you have built. Then in the main interface of MiniTool Partition Wizard, select the target hard disk to click "Rebuild MBR" from "Check Disk" menu.

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Step 2: At last, click "Apply" button to finish the boot sector and MBR to solve boot device not found issue.

Note: If you are interested in MiniTool Partition Wizard Bootable Edition, please purchase it's Professional Edition "Bootable Media" feature to make a bootable disc to boot your computer and then fix no boot device found issue.

Solution 3: Check and Modify Your PC Boot Order

You may forget to change the boot order after replacing a hard drive or migrating OS to SSD, then the incorrect hard drive is set as the first device item. As a result, Windows cannot find boot device.

In order to remove bootable device not found issue successfully, it is necessary to check whether your boot order is right or not and then modify it to boot system from the correct device in Windows 10/8/7.

1. Restart your computer, and then type a specific key to enter the BIOS.

2. Then under "BIOS Setup Utility" main interface, click "Boot". Then you can check whether the boot order is correct or not. If the computer isn't set to boot from the correct hard disk, please modify the bootable disk as the first boot device by pressing "↑↓" keys.

3. Then press "F10" to save this change.

When rebooting this computer, it will run well. Like that, the issue "boot device is not found" will be solved. If this way is not useful, please try the next solution.

Solution 4: Fix Operating System

In addition, your operating system files or folders may be deleted, lost or damaged accidentally, then no boot device detected issue happens to you. So in order to fix this error, just do as the following guidance:

  1. Prepare a Windows installation disc, CD/DVD or USB flash drive and connect it to your PC.
  2. Then during the process of installation, Then during the process of installation, fix your operating system.

In Windows 10, click "Repair your computer", then select Troubleshoot > Advanced options >Startup Repair.

Suggestion: Make a System Backup

After fixing boot device not available problem, the operating system is in the healthy state now. You'd better make an OS migration for backup. In order to ensure the system runs normally, when system unbootable issue occurs again, OS backup is necessary to recover OS to the previous point.

To back up your Windows 10/8/7, you can try MiniTool Partition Wizard Free Edition to migrate OS to SSD/HD when the system runs successfully. Just free download it for a try.

MiniTool has a piece of professional backup software for Windows 10/8/7 that is MiniTool ShadowMaker. This tool can help you to back up files, disk, partition and the operating system with simple clicks. Automatic backup, differential backup, and incremental backup are supported.

If you have this issue with your Windows 7 or 8 computer, check out this article

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