MacOS – External drive HD WD 3T My Passport with Mavericks suddenly unmounts

external-diskhard drivemacosusb

I've a problem with my external hard drive, a Western Digital 3TB, with my Mac running OS X 10.9, Mavericks.

When my hard drive is linked to my MacBook Air and, I work with it, the drive suddenly unmounts from my Mac. This happens with tasks such as viewing photos, moving files, and opening files.

I tried to exclude my hard drive from Spotlight search but the problem persists.

I've scary because I might loose all my work and files.

Best Answer

This is a WD problem, as stated below:

If you own a Wester Digital external hard drive, you might want to think twice before plugging it into your OS X Mavericks computer, or better yet if you haven’t upgraded, perhaps you might want to hold off on doing so for the moment. Western Digital has recently issued a statement warning customers about potential data loss on their hard drives should they attempt to connect a Western Digital external HDD to a Mac computer running OS X Mavericks. As it stands there are multiple forums threads across the internet where many Western Digital users have complained of data loss.

Source : ubergizmo

In addition, the HDD I brought back, as stated in my comment was a Western Digital disk as well.

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