Everything is Free

How to fix 3F0 not found boot device error on Windows 10?

0 9

Sometimes we may encounter a lot of problems when opening the computer, whether it is a laptop or a computer, and among these problems is the 3f0 error. In this article, we will learn how to fix 3f0 boot not found. Just follow the explanation to the end.

How to Fix 3f0 Not Found Boot?

What is 3f0 Error?

Among many system errors, the message “Boot device not found” appears when you turn on the computer, which means that the boot device was not found, is one of the common computer problems faced by computer users. It happens unexpectedly without giving you a chance to act. But you can easily fix the boot device or hard drive that displays Boot Device Not Found – 3F0 error by following a set of procedures. These steps are applicable when you see any of the following HDD errors on your computer screen:

How do i fix boot device not found?

There are many possible errors and problems with your computer, such as BSOD errors, red/black screen problems, unbootable operating system, corrupted system files, etc. Out of all these problems, boot device not found 3F0 is a very common error especially among HP laptop/computer users.

This error occurs when starting Windows 10/8/7 PC. This error message indicates that your operating system cannot find the bootable disk of the hard drive. The boot device not found – hard disk 3f0 error will prevent your PC from booting and will also make your work inconvenient.

The boot device not found 3F0 error mainly tends to be encountered on HP (HP Pavilion G6), Lenovo, Acer, and Dell laptops/desktops running Windows 7/8/10.

So, if you are also getting the Hard disk 3f0 error, boot device not found error on your HP computer and you don’t know how to fix this error, then this article will guide you through different solutions to fix the error. this on your Windows 10 PC.

What causes 3F0 error boot device not found?

In order to fix the boot device not found error in HP computer, you must first know the possible reasons causing this error on your PC. After going through user reports, I listed the following reasons:

  1. Use a non-bootable device or disk to start the computer.
  2. When the boot hard drive fails/corrupts.
  3. If there is a virus or malware presence on your computer.
  4. Using the wrong boot order in the BIOS.
  5. If the MBR / boot sector is damaged.
  6. When the hard disk has any kind of connection problem.
  7. If the boot or system files are corrupted or damaged.
  8. Due to damaged hard drive partitions.

How to fix 3F0 not found boot device error on Windows 10 PC?

Solution 1: Change the boot order.

The first thing you need to do is make sure that you have selected the correct hard drive to boot from. If you accidentally or mistakenly choose an unbootable device to start with, your PC won’t boot successfully.

And, eventually, you’ll end up with Boot Device Not Found. Please install an operating system to your hard disk error message.

So to fix the problem change the boot order in your BIOS and then let it be booted. However, if you still cannot fix the error, move on to the next solution.

Solution 2: Perform a Hard Reset to fix the 3F0 . boot device not found error.

If your hard disk is damaged or corrupted, performing a factory reset on your computer will be a great move to fix HP laptop 3F0 error. During system factory reset, you can choose to reset system settings or just delete user data.

In case, if your hard disk is completely damaged, then you should do a full factory reset as that will be the best option for you. Below are the steps that you can follow to implement this solution to fix hard disk 3F0 error on HP problem.

1- Turn off your PC > remove power adapter.

2- Removable battery, if there is an option to do so.

3- Disconnect all cables, including hard drive.

How to fix the error of the device 3F0

4- Keep pressing the power button for a period of 15 seconds so that it drains the remaining power on your system.

5- Insert the battery > plug in the AC adapter back to your laptop.

6- Turn on your computer.

7- When your PC boots and shows the boot menu, select Start Windows normally using the arrow keys and press the Enter key.

error 3f0

8- Now, reconnect all the peripherals.

Solution 3: Check the hard drive with the HP Diagnostic Tool.

Use HP PC Hardware Diagnostics even if the computer does not open Windows and shows boot device not found hard disk 3F0 error.

1- Turn on your computer and keep pressing Esc until a menu appears on the screen.

2 – Next, press F2.

3 – Select Components Tests from HP PC Hardware Diagnostics.

hp pc hardware diagnostics uefi

4 – Select Hard Drive from the Component Test menu.

Components Tests

5 – Click Quick Test, then click Run once.

system extensive test hp

6 – If your computer has multiple hard drives, select the hard drive you want to check. Or, if you want to test all hard drives, select Test All Hard Drives.

7 – After completing the test, the results will show up on your screen.

8 – If there are still any problems with your hard drive, run the Extensive Test.

Solution 4: Restore BIOS to Default Settings.

Some users use a non-bootable disk to boot their system and if you are doing it the same way, then you should restore the BIOS to its default settings to fix this error. To do this, follow these steps:

  1. Press and hold Power to turn on the computer.
  2. Continue to press the F10 key to enter the BIOS setup menu.
  3. Now, press the F9 key to load and restore BIOS Setup Default.
  4. Once done, press F10 to Save settings & Exit from the menu.
  5. Now, select Yes > press Enter after receiving Exit Saving Changes.
  6. Next, follow the onscreen instructions to restart your PC.

Solution 5: Reconnect the hard drive.

Well, before applying this method, let me tell you that doing it yourself is quite risky. So, if you can’t do it yourself, get help from professionals. To reconnect your hard drive, follow these steps:

  1. Turn off your system and unplug the power cable.
  2. Remove the battery, if possible.
  3. Disconnect the hard drive > reconnect the hard drive.
  4. Reassemble your computer and then turn it on to see if the problem is fixed.

Solution 6: Repair and rebuild damaged MBR.

The Master Boot Record (MBR) is the part of the hard disk that helps find where your operating system is to be loaded on your PC’s RAM.

So boot device not found error can usually also happen if there is any mistake with your MBR. MBR corruption can happen due to a number of reasons, such as malware or virus attack, MBR overwriting, or disk failure. In any case, you need to rebuild the MBR to fix the problem.

Solution 7: Fix your OS

If your operating system folders or files are accidentally deleted or lost or corrupted, then it will lead you to major problems including 3f0 error boot device not detected.

Therefore, to fix this error, you need to do the following:

1 – Take any Windows installation disc or CD/DVD or USB flash drive and connect it to the PC.

2 – Launch Command Prompt during the installation process.

advanced options

3 – Go to System Recovery Options and click Startup Repair if you are a Windows 7 user.

4 – For Windows 8/10 users, click Repair your computer > select Troubleshoot > click Advanced options > select Automatic Repair (for Windows 8) / Startup Repair (for Windows 10).

advanced options startup repair

This trick should work to fix the problem that prevents Windows from starting or loading.

Solution 8: Replace the hard disk.

This is not the last option for you because replacing the hard disk will be expensive and you will also lose your data. So before buying a new Hard Disk for your PC, you must try the External Hard Disk. Then see if after doing this you can access the drive. If you can access it, then you don’t need to replace it.

Boot device not found Error 3F0: FAQ

What does 3f0 error boot device not found hard disk mean?

The boot device not detected error message appears while starting the computer and it indicates that your operating system cannot detect the hard drive or the Windows installation disc.

Why am I getting boot device not found error on HP laptop

There are several reasons behind getting this error message on HP or any other laptop/desktop. Some of the most common reasons are:

  • Wrong boot order in BIOS.
  • Damaged / damaged hard drive.
  • Corrupted boot sector or MBR.
  • Hard disk connection problem.
  • If the boot device is damaged.

What should I do if my HP laptop shows error 3f0 boot device not found bootable?

These are the effective ways that you can try to fix this error on your Windows 10 computer:

  • Hard Reset your computer.
  • Fix boot order.
  • Reset BIOS to default settings.
  • Run HP diagnostic tool.
  • Regenerate broken MBR.

How can you fix hard disk error?

If you are experiencing hard disk errors, you can apply any of the following solutions:

  • Run an SFC quét scan
  • Using CHKDSK
  • Check for bad sectors for hard disk

Recommended Solution – Fix various Windows 10 PC errors/problems

If you find your Windows 10 PC/laptop is running slow or you are facing various stubborn computer errors and problems then you should scan your system with the one and only PC Repair Tool.

It is an advanced repair tool that can detect and fix various Windows problems and stubborn computer errors with just one scan.

With this you can fix various update errors, repair the corrupted Windows system files, DLL errors, registry errors, prevent virus or malware infection, and much more.

This not only fixes errors but also optimizes your Windows PC performance like new to optimize gaming performance.

Get PC Repair Tool to make your PC error free and speed up


The Windows 10 boot device not found 3F0 error will not only prevent you from booting the system, but will also turn it into a malfunctioning machine.

So don’t panic or fret if you ever have this problem on your device, instead apply the effective fixes mentioned in this article to fix the hard disk error code 3F0.

Read also:

How to Transfer Files From Phone to PC

Leave A Reply

Your email address will not be published.