Fix Inaccessible Boot Device Blue Screen Error on Windows 10


The Inaccessible Boot Device is one of the most commonly seen blue screen error. It mostly appears in Windows 10. Now, you will know how to fix this problem.

Generally, Blue screen errors are caused by driver problems on your PC. This inaccessible boot device error is no difference. But, Some software related problem and misconfigurations also can cause this BSOD error on Windows 10. So, If you want to troubleshoot this problem, you will also have to go through some different methods.

Screenshot Inaccessible Boot Device

How to Fix Inaccessible Boot Device Error on Windows 10

The fixes for this blue screen of death error-totally depend on why you are encountering this problem. But, Fortunately, There are some common but very effective methods that you can follow to fix this problem. Also, there are some unique techniques that will work in critical situations. However, Here are solutions to fix inaccessible boot device error.

Note: If you can’t access Windows normally, boot into safe mode. Then, try the following methods.

1. Update Drivers

As most blue screen errors appear due to driver incompatibility issues, you should follow this method as the first solution. Updating a driver can fix its internal problems, incompatibility issues. It also solves any problems that are caused by that driver. In fact, It is hard to find out which driver is problematic. So, As a common solution, you should keep all the drivers up to date. It will ensure your PCs maximum performance and stability. Also, It helps to prevent BSODs like inaccessible boot device error. However, you can update drivers in two ways. One is automatically and another one is manually one by one. However, To update automatically, use Driver Booster or Driver Easy.

driver booster outdated drivers

But, If you don’t want to use these tools, follow the manual method. Here are the instructions.

  • At first, Open the Windows Device Manager. To do it, you can type devmgmt.msc in the start menu and hit enter.

Update Fingerprint Driver

  • However, In the device manager, you will see all the lists of your PC drivers in category-wise. Just Right-click on the driver you want to update and choose “Update Driver.”
  • Now, Follow the on-screen instructions.
  • Do it for all the drivers to update them all.

After updating, restart Windows. It may fix the blue screen of death you are facing.

2. Uninstall Recently Installed Software/Update

One of the most common reasons behind this problem is recently installed update or software. If you have recently installed software and got this inaccessible boot device error, uninstall it. It should solve the problem.

Also, If you are encountering this error after updating Windows, uninstall the recent update. If you don’t know how to do it, follow these instructions.

  • At first, Go to Control Panel > Programs > Programs and Features.
  • Now, Click on View Installed Update.
  • Then, Find the recently installed update from the list and uninstall.

If you can’t uninstall in this way, do the following things.


  • At first, Boot into recovery mode.
  • Now, Click on Troubleshoot > Advanced Options.
  • Then, Go to Uninstall Updates.
  • Choose which update you want to uninstall.

3. Disable/Uninstall Antivirus Temporarily

Antivirus programs are useful for many reasons. But, These third-party software may also cause problems like BSOD errors. So, To troubleshoot inaccessible boot device error, uninstall or disable antivirus temporarily. Then, see if it helps.

4. Disconnect External Devices

For some weird reasons, external devices connected to your PC or laptop may also cause this problem. So, You check by disconnecting them. It may help in a few cases.

5. Disconnect Additional Hard-Disks and SSDs

If you have extra external or internal hard disks connected with your PC, disconnect them. Then, see if it fixes the Inaccessible boot device error. According to a few users, this trick worked for them. If it works for you, it can be a quick solution when you encounter this problem.

6. Enable AHCI in BIOS

It is another working solution to get rid of this inaccessible boot device blue screen error. According to many users, enabling AHCI mode in BIOS has fixed their problem. If you don’t know how to do it, follow these instructions.

  • At first, Boot into BIOS dashboard. To do it, Press Del/F12/F10/F2 (depends on your motherboard) button when your PC first shows up anything on the screen after pressing the power button.
  • Then, Navigate to the appropriate options, find and enable AHCI mode.

7. Update BIOS

How to Update Motherboard BIOS

Still getting that blue screen of death error? You probably need to look into your BIOS/UEFI firmware. Sometimes, Outdated BIOS causes this type of problem. So, Update it to resolve the inaccessible boot device error. If you don’t know how to do it, read: How to update BIOS/UEFI

8. Repair Disk Errors

As the problem is related to the boot device, you also should check for any errors on your hard-disk. In this case, you should run the chkdsk command. It helps to identify and fix basic disk errors. However, If you don’t know how to run this command, look at this complete guide to repair disk errors.

9. Analyze Dump FIle

Still getting this error? You probably should identify what actually is causing this problem. In this case, you can analyze the memory dump file. It will help you to identify the actual reasons behind inaccessible boot device blue screen on Windows 10. Then, you can take proper steps to fix this problem.

Basically, These are the most working solutions to fix inaccessible boot device error on Windows 10. But, You also can check for memory problems and make sure all the cables on your PC are connected properly. It also may help. By the way, If you know any additional methods that may work, feel free to share in the comment box.

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Hasibul Kabir is the founder of TechClassy. He is a Tech Blogger, Web Developer & Hobbyist Game Developer. He loves to write on technology, mainly Windows, macOS, iOS, etc.


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