What Does “Disk Not Ejected Properly” Mean on a Mac? Share March 28, 2021 Dm4r Technology If you suddenly unplug a removable drive from your Mac, you’ll see this message in the upper-right corner of your screen: “Disk Not Ejected Properly.” But what does it mean, and why do you need to eject before unplugging a drive? Let’s explain. Read This Article on How-To Geek › Source : What Does “Disk Not Ejected Properly” Mean on a Mac?