How to Fix Windows Error Code 0x00000079: A Comprehensive Guide

Windows Error Code 0x00000079, also known as “INACCESSIBLE_BOOT_DEVICE,” signifies a critical issue where the operating system fails to access the system partition during startup. This error disrupts your ability to boot into Windows, often resulting in a blue screen with the error code displayed. Here, we provide an in-depth guide to resolving this error, ensuring your system returns to normal operation swiftly.

Understanding Error Code 0x00000079

The “INACCESSIBLE_BOOT_DEVICE” error indicates that Windows cannot access the necessary system partition to complete the boot process. This issue can stem from several sources, including corrupted system files, incorrect driver installations, or hardware failures. Identifying the root cause is crucial for effective troubleshooting.

1. Restart Your Computer

A simple restart can sometimes resolve transient issues. Power off your computer, wait for a few minutes, and then power it back on. This step ensures that the error is not a temporary glitch caused by a minor issue.

2. Check Hardware Connections

Loose or faulty hardware connections can trigger Error Code 0x00000079. Follow these steps to ensure all connections are secure:

Power off your computer and unplug it from the power source.
Open the computer case (for desktops) or access the internal components (for laptops).
Verify that all cables connected to the hard drive and motherboard are secure.
Re-seat RAM modules and expansion cards to ensure they are properly connected.

3. Boot into Safe Mode

Booting into Safe Mode allows Windows to start with minimal drivers and services, helping to identify whether the issue is software-related. To boot into Safe Mode:

Restart your computer and continuously press the F8 key (or Shift + F8) during startup.
Select “Safe Mode” from the Advanced Boot Options menu.
Once in Safe Mode, check for recent changes that might have triggered the error, such as new software installations or driver updates.

4. Update or Roll Back Drivers

Driver issues can contribute to the INACCESSIBLE_BOOT_DEVICE error. Follow these steps to update or roll back drivers:

Boot into Safe Mode.
Open Device Manager by right-clicking on the Start menu and selecting “Device Manager.”
Expand the categories and right-click on the hardware components, such as disk drives or storage controllers.
Select “Update Driver” and follow the prompts to update the driver. If the error occurred after a recent update, select “Roll Back Driver” to revert to the previous version.

5. Run CHKDSK and SFC Scans

Corrupted system files and disk errors can cause Error Code 0x00000079. Use the following tools to scan and repair these issues:

CHKDSK

Open Command Prompt as an administrator.
Type chkdsk /f /r and press Enter. This command will scan for and attempt to repair disk errors.
Restart your computer and allow CHKDSK to complete the scan.

SFC Scan

Open Command Prompt as an administrator.
Type sfc /scannow and press Enter. The System File Checker will scan for and repair corrupted system files.
Restart your computer after the scan completes.

6. Check for System Updates

Outdated system files or operating system versions can lead to boot issues. Ensure your Windows installation is up-to-date:

Open Settings and navigate to “Update & Security.”
Click “Check for updates” and install any available updates.

7. Restore Your System

If the error persists, performing a System Restore can revert your system to a previous state before the issue occurred:

Boot into Safe Mode or use a Windows installation media to access recovery options.
Select “Troubleshoot” and then “Advanced options.”
Click “System Restore” and follow the prompts to restore your system to a point before the error appeared.

8. Repair Windows Installation

In severe cases where other methods fail, repairing the Windows installation may be necessary. Use the Windows installation media to perform a repair install:

Insert the Windows installation media and boot from it.
Select “Repair your computer” and then choose “Troubleshoot” followed by “Reset this PC.”
Choose “Keep my files” or “Remove everything” based on your preference.

9. Verify Hard Drive Health

A failing hard drive can cause the INACCESSIBLE_BOOT_DEVICE error. Use diagnostic tools to check the health of your hard drive:

Download and install a hard drive diagnostic tool from your drive manufacturer or a trusted source.
Run a complete scan to check for physical damage or bad sectors.

10. Seek Professional Help

If none of the above solutions resolve the issue, it may be time to seek assistance from a professional technician. Persistent issues could indicate underlying hardware problems that require expert diagnosis and repair.

Conclusion

Addressing Windows Error Code 0x00000079 involves a methodical approach to identify and resolve the underlying causes. By following the steps outlined in this guide, you can effectively troubleshoot and fix this critical error, ensuring a smooth and reliable Windows experience.

how to fix windows error code 0x00000079