Slow external hard drive on macOS Ventura.Mac can't recognize the external hard drive when it's plugged in.You are unable to open the external hard drive and or access files on it.A popping error message that says: ' The disk you inserted is not readable.'.If you face some of the following scenarios there is a chance that you are dealing with a corrupt external drive: These failures in mounting, accessing, or reading on Mac can happen anytime from large capacity as raids, external hard drives (HDDs, SSDs), internal hard drives, until smaller capacity gears as USB flash drives, sd cards, and many other external storage devices.

Unlike hardware damages such as bad sectors, electronic failure, and other physical problems, hard drive corruption on Mac is the result of logical errors dwelling in the drive's partition table or file system. How to prevent external hard drives from corruption? How to recover lost data from corrupted external drives on Mac? How to repair external hard drive by reformatting? How to fix a corrupted external hard drive without formatting on Mac? Why your external hard drive is corrupted? With that in mind, we will elaborate on how to repair external hard drives on Mac without losing data. However, it's not uncommon for an external hard drive to suddenly stop working, become corrupted, fail to mount or to read, or turn inaccessible on Mac.Įven there is a solution to repair external drive, in order to prevent data loss, you should recover files from the corrupted Mac external hard drive, and for that, we recommend using iBoysoft Mac Data Recovery beforehand. To extend Mac's internal hard drive's capacity, transfer files between computers and back up essential data, the external hard drives are the devices most commonly used.

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