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The file system is compatible with the operating system but it’s corrupted.As a result, your computer can’t recognize the file system and then mount the external HD. The file system of the external hard drive is not compatible with Mac operating system.The third-party software hides the external hard drive.
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The external drive is set up to be hidden by the computer.If the operating system misfunctions, it will also affect the presence of the external hard drive. The macOS could also be responsible for an unshown external hard drive.The port of the drive can be destroyed due to human factors or natural wear. There is a broken or faulty cable that can’t connect your external drive with the computer.For instance, maybe it’s not plugged in tightly. The external hard drive is not properly plugged in.
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The common reasons for this phenomenon are listed below. As a result, you may understand the solutions below better.
Format external hard drive windows 10 grayed out how to#
Then, how to solve this problem? Why is your external hard drive not showing up on Mac?īefore we tell you how to solve the problem, we would like you to know some potential reasons why this happens. This can be really troublesome and annoying especially when you are in a hurry. When you plug in an external hard drive on your Mac, for example, the USB drive, it’s possible that it won’t show up on the computer.