How to Fix Inaccessible_Boot_Device Error in Windows 11 [FIXES]

A boot drive is a physical hardware that is used to store data capable of reading files and drivers necessary for computer boot sequence. The operating system in computer is loaded through boot media, which can be hard drive, CD/DVD or a USB flash drive.

Inaccessible Boot Driver means the computer is unable to read the boot partition of Windows 11 giving you a Blue Screen of Death or BSOD. This might be related to simple boot record failure or driver issue and if left unchecked then it can lead to hard disk failure.

Various reasons why this BSOD happen are:

• Conflicted Drivers
• Corrupted System Files
• Outdated Drivers
• Broken or damaged Hard Disk Drive or SSD.

To fix this we have listed all the possible workarounds and fixes with their adjacent instructions below.

FIX 1: Check Hard Drive or SSD for Errors

 BSOD is very often related to HDD error and Inaccessible Boot Drive could be a result of a broken or damaged hard drive. Windows has an in-built tool embedded into command line for user to access and fix all hard drive related issues.

To execute this command line you need to either open command prompt Window with Automatic Repair Mode in Startup or Boot into Safe mode and then launch Command prompt with administrative rights.

After opening the command prompt, type the following command and press Enter.

1. Command Prompt in Automatic Repair Mode

chkdsk /r C:

2. Command Prompt in Safe Mode with admin rights

chkdsk /f /r

Wait for the scan to complete then reboot your computer and check if the BSOD was fixed.

FIX 2: Run SFC and DISM

Similar to above method System File Checker or SFC and Deployment Image Servicing and Management or DISM is a command line tool available to every Windows Operating System user to fix corrupted system files or similar error which could be the cause of this BSOD. To run SFC and DISM command line, do these steps:

1. Boot your computer into safe mode.
2. Go to Search bar from Start
3. Type cmd and from best match, right-click on Command Prompt.
4. Choose Run as Administrator.
5. Type sfc /scannow and press Enter.
6. Wait for it to complete.
7. Now type exe /Online /Cleanup-image /RestoreHealth and press Enter.
8. After the procedure is done, restart your computer and check.

FIX 3: Execute Startup Repair Utility Tool

A troubleshooter provided by Microsoft to repair all the issue of Startup.

1. Click Start icon and select Power
2. Hold Shift key on keyboard and click Restart from the power menu.
3. In next Window, select
4. Go to Advance options and select Start-up Repair
5. Wait it to execute everything and restart your computer.

FIX 4: Uninstall Previous Windows Update

There are many instances where a broken Windows update caused the computer system to malfunction and end up into a BSOD or other severe issue. The best option will be to downgrade your Windows update. To downgrade, follow the given instructions:

1. Open Settings from Start
2. Click Windows Update from the left menu.
3. Select Update History.
4. Now click Uninstall Update
5. Choose the most recent update you have installed from the list.
6. After finding, click Uninstall button from the top taskbar.
7. Reboot your computer to save the changes.

FIX 5: Update Your System Drivers

Updated or improperly installed drivers are the main cause of these issues including Inaccessible Boot Device error in Windows 11. To resolve this error you can go to device manager and update all the problematic drivers from there. To update using Device Manager, do this:

1. Right click on Start icon from the taskbar.
2. Click Device Manager.
3. Check for devices with yellow exclamation mark, these are your problematic driver.
4. Right click on that driver and choose Update Drivers.
5. From the following Window, select Search automatically for updated driver software
6. Make sure you are connected to a stable internet connection.
7. Follow these steps for every device with exclamation mark.

Updating your other device driver is as important as updating those devices with issues to get rid of the hustle in future. We recommend you to use Driver Solution Tool as it will not only find the issues with drivers but it will scan for all your hardware drivers with issue and update those with their correspondent latest version all with a single mouse click.

Conclusion

If you are one of those users who have faced inaccessible_boot_device error in Windows 11 then don’t panic, there are other users who reported the same. For that reason, we have mentioned all the possible fixes and workaround with steps and instructions to resolve BSOD.