Don’t ignore macOS upgrades for very long or you will increase the risk of encountering problems.You should check your archived installers often instead of assuming that they work.Old Mac computers can experience performance issues when you add newer peripherals, such as more recently made external hard drives.Target Disk Mode only works well for occasional troubleshooting, so don’t expect it to fix Mac external hard drives.He says that he learned a few things while trying to solve his Apple data recovery problem: The user received several error messages indicating a malfunction with his SSD. At least one person goes into a deep explanation of how he tried to deal with his iMac’s dead SSD. No one seems to know the precise reason that macOS can corrupt external hard drives. Why Does macOS Corrupt External Hard Drives? Mac data recovery didn’t seem possible for this user. His computer offered to reformat the drive, but that would mean losing all of his files. Despite his best efforts, he could not get the hard drive to work again. Such a small error wouldn’t usually damage a hard drive. One person in 2015 complained that his 750GB external hard drive wouldn’t mount anymore after he ejected the drive without following the computer’s safety instructions. Granted, some of the problems probably came from user error. User forums show that a small number of macOS users have had problems with their external hard drives for at least five years. When Did Mac External Hard Drives Start Getting Corrupted? For others, it means losing precious data that they need to make their businesses successful. For some macOS users, that means losing stored music and movies.

Some people have even discovered that macOS may be corrupting their external hard drives. Unfortunately, that doesn’t always happen. When you spend well over $1,000 on an Apple computer, you expect it to work perfectly.

Mac defrag external hard drive