I have WD My Passport. P/N WDBABW0010 BSL-02. Not sure if that is the number you need…Anyway, I thought if you disconnected it from your computer (I have an Imac) desktop, then your data would be there on the Passport. I made sure it was all ON the Passport BEFORE I disconnected it from the comp…

Hi again, I would try running a Disk Utility test and also connecting the Passport to another Mac to verify if the problem happens again, if it does contact support to see if it needs to be replaced. How to test a drive for defects or problems on a Mac http://support.wdc.com/country/index.asp

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Passport backs up all the data and LOSES IT ALL when you disconnect from the computer

WD External Drives External Drives for Mac

questioning_1 January 10, 2015, 5:00am 10

Thanks again!