Fixed Could Not Load the MacOS Boot Volume on Bootcamp Featured Image

Fixed ‘Could Not Load the macOS Boot Volume’ on Bootcamp

Solving Bootcamp issue with a quick fix for macOS boot volume error.

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Last updated: December 24, 2023

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TL;DR

To fix the “Could Not Load the macOS Boot Volume” error on Bootcamp, follow one of these steps:

  1. Go to Apple menu > System Settings > General > Software Update to update Bootcamp drivers.
  2. Restart Mac, hold the Option ⌥ key, select Disk Utility, check partitioning, and reformat if needed.
  3. Scan for malware or viruses using security software like MacKeeper.
  4. Shut down Mac, press the Power button, and hold Command ⌘ + Option ⌥ + P + R until it restarts to reset the PRAM.
  5. Run Apple Diagnostics to check for potential hardware problems.

If you use Bootcamp and see the ‘Could not load the macOS boot volume’ error on your Mac, it means your system can’t access the macOS boot area. This can happen due to old or wrong Bootcamp drivers. In this guide, I’ll show you how to fix this error and how to avoid it later.

Before We Begin

To prevent the ‘Could not load the macOS boot volume’ error, run regular virus scans on your Mac. MacKeeper’s Antivirus can help you with that. So, download MacKeeper and prevent malware from causing errors and glitches on your Mac.

How to Fix the ‘Could Not Load the macOS Boot Volume’ Error

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You can troubleshoot and fix the ‘Could not load the macOS boot volume’ error using different methods. Below, I have shared some of my tried and tested methods to fix this error.

1. Update Bootcamp Drivers

Outdated or incompatible Bootcamp drivers can cause the ‘Could not load the macOS boot volume’ error. Updating the drivers ensures the Boot Camp software works correctly and is compatible with the macOS boot volume.

To update your Bootcamp drivers, follow these steps:

  1. Go to the Apple menu and select System Settings.
click the apple icon and select system settings
  1. Click General and select Software Update.
click general and select software update
  1. Click the Update Now button to install any available updates.
click the update now button

This will update your macOS and any drivers you have on your Mac, including the Bootcamp drivers.

2. Check Hard Drive Partitioning

If you split your Mac’s hard drive into different parts (partitioning) but don’t do it right, it can cause errors. One common issue, the ‘Could not load the macOS boot volume’ error, occurs when the macOS operating system partition is not set as the bootable partition.

To check your hard drive partitioning, follow these steps:

  1. Restart your Mac and hold down the Option key until the Startup Manager appears.
macbook air option key
  1. Select Disk Utility from the Utilities window and click Continue.
select disk utility from macos recovery screen
  1. Select your hard drive from the left-hand menu. Click the Partition tab to ensure your hard drive is partitioned correctly.
select partition in disk utility
  1. If your hard drive is partitioned incorrectly, reformat it and partition it again.
  2. Restart your Mac and try booting into Windows again.

3. Repair Corrupted or Damaged Files

If your Mac’s important files are corrupted or damaged, it can stop the computer from starting up. The operating system needs these files to work, and if there’s a problem when it tries to use them, your Mac might not boot up correctly.

To repair your Mac startup disk to fix corrupt or damaged files, follow these steps:

  1. Restart your Mac and hold down the Command ⌘ + R keys.
macbook air command r keys
  1. Select Disk Utility and click Continue.
select disk utility from macos recovery screen
  1. Select your hard drive and click First Aid.
select startup disk and click first aid
  1. Click Run to repair any corrupted or damaged files.
click run on the first aid prompt

4. Scan for Malware or Viruses Using MacKeeper

Malware can also lead to the ‘Could not load the macOS boot volume’ error. Using a tool like MacKeeper to scan your Mac can find and remove these harmful programs. This might fix boot problems caused by the malware.

Here are the steps to run a virus scan on your Mac using MacKeeper:

  1. Download and install MacKeeper on your Mac.
  2. Open MacKeeper on your Mac and click the Antivirus tab in the left-hand menu.
click antivirus under the security section
  1. Click the Start Scan button to start scanning your system for malware.
click start scan in mackeeper antivirus
  1. Wait for the scan to complete, which may take several minutes.
  2. Once the scan is complete, MacKeeper will display a list of issues. Review the list of issues and click the Fix button to resolve them.
  3. If no threats are found, click the Restart button to run the scan again or close the program.
click restart to finish the process

What Else Can MacKeeper Do?

Besides running virus scans, MacKeeper can also block ads on Mac, remove browser extensions on Mac, and remove login items. Check out my detailed MacKeeper review to learn more about its amazing optimization and security features.

5. Reset Your PRAM

Your Mac’s Parameter Random Access Memory (PRAM) stores specific settings that your computer uses to access the hardware. If the PRAM is corrupted, it can cause the ‘Could not load the macOS boot volume’ error.

Here’s how to reset your PRAM on Mac:

  1. Shut down your Mac.
  2. Press the power button and immediately hold down the Command + Option+ P + R keys.
macbook air option command p r keys
  1. Hold down these keys until your Mac restarts, and you hear the startup sound twice.
  2. Release the keys and let your Mac start up normally.
  3. Try booting into Windows again.

6. Run Apple Diagnostics for Hardware Issues

If the other fixes don’t work, your Mac might have a hardware problem. Run an Apple Diagnostics test to check. It’ll give you error codes and descriptions to figure out the issue. If you’re still stuck, you can reach out to Apple Support for more help.

To use Apple Diagnostics on Mac to check for hardware issues, follow these steps:

On Apple Silicon Mac

  1. Disconnect all peripherals except the keyboard, mouse, Ethernet, display, and power cable.
  2. Turn off your Mac.
  3. Power on your Mac and continue holding the Power button until the startup options screen with the Options icon appears.
startup options screen
  1. Press the Command ⌘ + D keys.
macbook air command d keys

On Intel-Based Mac

  1. Disconnect all external devices except the keyboard, mouse, Ethernet, display, and power cable.
  2. Shut down your Mac from the Apple menu.
click the apple icon and select shut down
  1. Press the Power button and immediately press and hold the D key on your keyboard until a list of languages appears.
macbook air touch id d keys
  1. Select a language to start Apple Diagnostics.
select a language from the list
  1. The checking process usually takes 2-5 minutes. Once it’s completed, you’ll see a report listing detected issues.
  2. If you see an error message or reference code, note it and contact Apple Support or an authorized Apple service provider for further assistance.
apple diagnostics result

Causes of the ‘Could Not load the macOS Boot Volume’ Error

The ‘Could Not Load the macOS Boot Volume’ error on a Mac can be caused by several factors:

  1. 🗂️ Partition Issues: If the partition containing the macOS is not correctly set as the bootable volume, this error can occur.
  2. 🛠️ Corrupted System Files: Damaged or corrupted system files can prevent the macOS from booting properly.
  3. 🦠 Malware or Viruses: Malicious software can interfere with the operating system and cause booting errors.
  4. 🚦 Outdated or Incompatible Drivers: Especially in Bootcamp setups, having outdated or incompatible drivers can lead to this error.
  5. 💽 Hardware Problems: Issues with the hard drive or other hardware components can prevent access to the macOS boot volume.
  6. 💻 Software Conflicts: Sometimes, conflicting software, especially those that modify system files or boot processes, can cause this error.

Fix the macOS Boot Volume Error on Mac

Encountering the ‘Could not load the macOS boot volume’ error can be frustrating, but with the right solutions and prevention strategies, you can get your Mac back up and running in no time.

You can also keep your system protected by following these tips:

Frequently Asked Questions

  1. What if I can’t access my hard drive to repair it?

    If you can’t access your hard drive to repair it, there may be a hardware issue. To diagnose and fix any hardware problems, you’ll have to take your Mac to an Apple Store or an authorized repair center.

  2. Can I prevent the ‘Could not load the macOS boot volume’ error from occurring?

    Yes, you can prevent the ‘Could not load the macOS boot volume’ error from occurring by keeping your Bootcamp drivers up to date, creating a backup of your hard drive, installing anti-malware software, regularly scanning your system for viruses or malware, and checking for hardware issues regularly.

  3.  Will I lose any data if I fix the ‘Could not load the macOS boot volume’ error?

     Whether you lose any data when you fix the ‘Could not load the macOS boot volume’ error depends on the solution you use. If you repair corrupted or damaged files, you may lose some data. However, if you update your Bootcamp drivers or check your hard drive partitioning, you shouldn’t lose any data.

  4.  Can I fix the ‘Could not load the macOS boot volume’ error myself?

    Yes, you can fix the ‘Could not load the macOS boot volume’ error by yourself in most cases. However, if the issue persists, it’s best to take your Mac to an authorized repair center for professional help.

Hashir Ibrahim

Author

I'm Hashir, a tech journalist with a decade of experience. My work has been featured in some of the top tech publications like MakeUseOf and MakeTechEasier. I have a bachelor's degree in IT, a master's in cybersecurity, and extensive knowledge of Apple hardware, specifically MacBooks. As the senior writer at MacBook Journal, I write in depth guides that help you solve any issues you have with your mac and unbiased reviews that help you make the right buying decisions.

Ojash

Reviewer

Hi there! I'm Ojash, a tech journalist with over a decade of experience in the industry. I've had the privilege of contributing to some of the world's largest tech publications, making my mark as a respected Mac expert. My passion lies in exploring, using, and writing about MacBooks, and I enjoy sharing my expertise to help others make informed decisions and get the most out of their MacBook experience. Join me as we delve into the fascinating world of MacBooks together!

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