If you know for certain that the USB cable is connected securely, the issue could be with the wiring itself.
Once you’ve tried that fix and it still isn’t working, these additional issues might be the cause of your problem. Once you secure the connection, it should mount. Your USB cable is likely loose in one of the ports. The primary reason why an external HDD isn’t recognized by Mac is that the drive isn’t correctly plugged into the computer. Why Is the External Hard Drive Not Showing Up on Mac? This guide will help you recover data on an external hard drive not discovered by Mac.
If the external hard drive doesn’t show up on Mac, that HDD becomes an expensive paperweight.Īlthough it can be frustrating to have the computer not detecting your drive, it is a resolvable issue. It shows up in Finder under Devices, along with any similar windows you have open on your home screen. When you connect the external HDD to your Mac, it typically mounts so that you can read what is on the storage device.
