Connect external power source if the hard drive requires one.Replace the USB cable or adapter in case you suspect it to be damaged.Connect the hard drive to a different USB port or a different Mac.Reconnect the USB connector or adapter to fit the hard drive snugly.Fix External Hard Drive Connectivity IssueĮnsure proper connectivity of your external hard drive to your Mac.
For MacBook Air, MacBook Pro, or MacBook with non-removable battery-press and hold Shift + Control + Option + Power Button for 10 seconds.ģ.
PORTABLE EXTERNAL HARD DRIVES FOR MACBOOK PRO MAC
The contained files and the external drive’s integrity comes to a stake.ĭon’t worry, read and apply the below fixes to resolve Mac unmounted external drive issue. Consequently, data inside the unmounted external hard drive turns inaccessible. But sometimes the external drive won’t appear on any of these places. When you connect an external hard drive on Mac, it will show up on Desktop, Finder, and Disk Utility. Recover Data from Non-Mounting External Mac Hard Drive Fix External Hard Drive Connectivity Issue Methods to Fix the External Hard Drive Not Mounting on Mac Issue.