If there appears a message indicating uninitialized external hard drive, it has 2 meanings:įor 1st time user of a brand new external hard drive, you will be required to initialize the disk for use, if your mac shows it as initialized external hard drive when connecting, it means your new external hard drive is not activated and not ready for use, your mac needs to use its own language to assign a starting value to the variable of this external hard drive.įor users who have initialized the external hard drive before, uninitialized external hard drive means your mac cannot read your disk anymore and deems this risk is not accessible, while this happens in most of the cases when talking about uninitialized external hard drive. 5 recovery modes to restore data lost due to different reasonsįree Download What Does Uninitialized External Hard Drive Mean?.Recover 200+ types of file from external and internal hard drive.