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An error occurred while partitioning the disk in Boot Camp [SAFE FIX]

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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ManyMac OS users try to install Windows 10 on their computerby using a tool calledBoot Camp. Although runningWindows 10withBoot Campis relatively simple, sometimes certainerrorscan occur.

One error that users reported isAn error occurred whilepartitioningthe disk, and today we’re going to show you how to fix it.

But first, here are some more issues you can resolve with the same solutions as presented below:

We’ve written extensively about Boot Camp issues before. Bookmark this page in case you need it later.

Steps to fix disk partitioning errors on PC

Table of contents:

Fix – An error occurred while partitioning the disk

Solution 1 – Turn off FileVault

FileVault is a useful feature that encrypts your hard drive and protects your data, but this feature can sometimes interfere with Boot Camp and cause thiserrorto appear.

To see if the FileVault is turned on, you need to go toDisk Utilityand click on Macintosh HD. In the Properties, you should see Format: Encrypted Mac OS Extended (Journaled).

To disable FileVault go toSystem Preferences > Security and Privacy > FileVault.

Click the padlock and then disable FileVault. After disabling FileVault, you should be able to installWindows 10by usingBoot Campwithout any problems.

Few users reported that FileVault was paused on their system and unable to resume for some unknown reason, therefore the only solution was to reinstallMac OS.

FileVault not working as expected? See this quick guide to get FileVault back up and running again.

Solution 2 – Repair your disk

Users reported that thiserrorwas caused by directory problems, but you should be able to fix these problems simply by repairing your disk.

Before repairing your disk, we advise you to create a backup just in case anything goes wrong. After creating a backup, follow these steps:

Looking for the best backup software for Windows 10? Here are our top picks.

There’s one more way to do this. The following process is a bit more advanced, but you should be able to do it by following these steps:

As you can see, repairing your disk is simple, but before you do it, be sure to create a backup just in case.

Users reported that the second method fixed this issue for them, but if you’re not an advanced user, use the second method only if the first one doesn’t fix your problem.

Some users are also suggesting to boot to Recovery disk by holdingCommand + Rduring the boot. Now just selectDisk Utility, select your hard drive and click onRepair Disk.

After your disk is repaired, you should be able toinstallWindows 10usingBoot Camp.

Solution 3 – Restore yourMacfrom a backup

Several users are suggesting to restore yourMacfrom a backup and check if that fixes the problem.

To do that, boot to the Recoverypartitionby pressingCommand + Rduring the boot. After entering theRecoverypartition, restore your Mac and check if the problem is resolved.

Solution 4 – Perform a complete reinstall

According to users, this problem can occur if your Apple_HFSpartitionis transformed into Logical Volume Group. If that’s the case, you’ll have to perform a complete reinstall.

Before doing that, back up all your data and disconnect all external hard drives. After you did all that, follow these steps:

This is a drastic solution that can take a while to complete, and you should use it only if other solutions are unable to fix this problem.

Use Windows Refresh Tool to clean install Windows 10 safely!

Anerroroccurred whilepartitioningthe diskis one of the commonerrorswhile installingWindows 10usingBoot Camp, but in most cases, you should be able to fix it by starting your computer in Single User Mode and running /sbin/fsck -fy command.

If that solution doesn’t work, feel free to try any other solution from this article.

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Milan Stanojevic

Windows Toubleshooting Expert

Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.

Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.

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Milan Stanojevic

Windows Toubleshooting Expert

Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.