Using a brand new My Book Duo with an iMac. After 30 minutes (the default), the drive goes to sleep if not in use, and the status LCD flashes slowly. After that, the disks still exist on the desktop but opening the disk does not wake up the drive, and all the files are gone, as if the disk is empty…

Problem: My Book Duo doesn't wake up after sleeping

DRC August 7, 2019, 3:21am 12

You might try uninstalling WD Utilities. That fixed a similar problem I was having with a My Passport for Mac and My Passport Ultra (refer to My Passport don't wake up on Mac).

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Problem: My Book Duo doesn't wake up after sleeping

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