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How Do You Unmount a Hard Drive on Mac without Losing Data

How do you unmount a hard drive on a Mac? I connect an external hard drive to my Mac but don't know how to unmount it safely. Some said that unmounting a hard drive by unplugging it from a Mac slot will lose data.

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Brithny· Answered on Jan 04, 2024

How do you unmount a hard drive on Mac? Usually, unmounting a hard drive on a Mac should click the 'Unmount' option in Disk Utility. Unmounting a hard drive by unplugging from a Mac slot may cause data loss or errors, such as 'couldn't unmount disk 69888 on Mac'.

Follow the steps below to unmount a hard drive on your Mac:

Step 1. Open 'Disk Utility' from the Applications > Utilities folder, or type disk utility in the Spotlight search box.

Step 2. Select the hard drive you want to unmount from the left panel and click 'Unmount' in the top menu.

Before unmounting a hard drive from your Mac, you should make sure that none of the files on the hard drive is opening or editing. Because suddenly unplugging the hard drive while opening a file from it may cause the file to be damaged. In this case, EaseUS Data Recovery Wizard for Mac can recover the corrupted files from the hard drive.

Download for MacmacOS 14 - 10.9  Also Available for Windows

Check out the following steps to fix corrupted hard drives on Mac and repair and open the corrupted files due to sudden unplugging of the hard drive:

Step 1. Install the EaseUS file recovery software, and connect the hard drive to your Mac.

Step 2. Choose the hard drive, and click 'Search for the lost files' to view all data on the hard drive.

Step 3. Select the recoverable files from the scanning result lists, and click 'Recover'.

Step 4. It will repair the corrupted files automatically. Save the repaired files to a safe location.

Use EaseUS Data Recovery Wizard to recover deleted or lost files easily and quickly.

Tutorials on how to recover lost, deleted, or formatted data from HDD, SSD, USB, SD card, or other storage media on Windows and Mac.

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