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External Hard Drive Randomly Ejects From MacBook Pro - "The Disk Was Not Ejected Properly"

42526 Views 74 Replies Latest reply: Apr 22, 2014 4:44 AM by Schoey S RSS
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simpswim Level 1 Level 1 (0 points)
Currently Being Moderated
Jun 14, 2011 5:51 PM

For some reason my 1TB WD My Passport Essential SE keeps randomly ejecting itself from my mac computer. And I keep getting this error message pictured here:

 

image.png

In text: "The disk was not ejected properly. If possible, always eject a disk before unplugging it or turning it off. To eject a disk, select it in the Finder and choose File > Eject. The next time you connect the disk, Mac OS X will attempt to repair any damage to the information on the disk"

 

I am transferring large (5-10GB) HD video files, so I'm wondering if this is overloading the drive. However I don't think this is the case since I easily transferred these types of files on the older 500GB WD My Passport Mac USB hard drive (Model No: WD5000MEA) that I also own. Seeing that my newer 1TB WD My Passport Essential SE (Model No: WX71A31E5201) is built to perform better, faster and more reliably than my older model, I don't think this is the case.

 

I've tried resetting the PRAM on my Mac computer, and I used Mac's Disk Utility application to repair the disk (note: Disk Utility said that my drive was fine). What should I do to stop my external hard drive from randomly ejecting itself? (Hopefully the solution doesn't require me to delete/move the many, many GBs of files I have on my drive.)

 

The things that I have:

 

Computer:

Mac OSX Snow Leopard Version 10.6.7

Processor: 2.6 GHz Intel Core 2 Duo

Memory: 4 GB 667 MHz DDR2 SDRAM

 

External Hard Drive:

1TB WD My Passport Essential SE (WDBACX0010BBK-NECS)

Format: Mac OS Extended (Journaled)

MacBook Pro, Mac OS X (10.6.7)
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