Unmount a Drive
This HowToWiki teaches you how to unmount a hard drive that is connected to your computer. Unmounting a drive is the same thing as ejecting a drive. You cannot unmount your computer's main hard drive (e.g., the hard drive where your operating system is installed).
- Open Start x30px. Click the Windows logo in the bottom-left corner of the screen, or press ⊞ Win.
- Click the File Explorer x30px. This icon is in the lower-left corner of the Start window.
- Click or . It's in the left-hand column of folders in the File Explorer window.
- Click the drive you want to unmount. You'll find a list of all currently active drives below the "Devices and drives" heading in the middle of the page.
- This drive must be either a removable hard drive (e.g., a flash drive or SD card) or a secondary internal drive.
- Click the tab. It's in the top-left side of the File Explorer window. This causes a toolbar to appear at the top of the window.
- Click . You'll find this option in the "Media" section of the toolbar. After clicking this button, you'll see the drive's icon disappear from the File Explorer window, and a notification letting you know that it's safe to remove the hard drive will appear.
- Remove the drive from your computer. Gently disconnect the drive from your computer to complete the unmounting process.
- Open the Finder. This app, which resembles a blue and gray face, is usually found in the Dock at the bottom-left.
- Locate your drive's name. It will be on the left-hand side of the Finder window below the "Devices" heading.
- This must be a removable drive (e.g., a flash drive, external hard drive, or a virtual mounted drive).
- Click ▲. It's to the right of your drive's name. Doing so will "eject" the drive, which removes it from your Mac's available drives.
- Remove the drive from your computer. Once the drive have been safely unmounted, you can remove the physical drive from your Mac computer.
- On Windows, you can unmount a drive by clicking the USB icon in the bottom-right side of the screen and then clicking Eject.
- Failing to unmount a drive before disconnecting it may result in data loss or corruption.