

Once properly set up in Finder, your external hard drive should appear. Switch to the Sidebar tab, and under Locations, check External disks.Check External disks in the General tab.Click the Finder menu and select Settings.If you can't see your plugged-in external drive on the desktop or in the Finder sidebar, allow it to show up in Finder settings. Hopefully one or more of these will help your Mac successfully read your drive. Here, we have collected multiple solutions for you.

Now that you know why your external hard drive is not showing up, let's move on to your biggest concern - how to troubleshoot. How to Fix External Drive Not Showing up on Mac
