WD 4TB - Yosemite - Disk Not Readable

Hey,

Need any help or advice given. Gave a friend my external My Book 4TB Drive to get some files from it, and he said he couldn’t get it to work.
I know it was working beforehand on my machine which was running Mavericks. But since then I’ve updated to Yosemite and I learned he was on Yosemtie too.

I have another 3TB drive and it works both on Mavericks and Yosemite. I just find it strange my never drive, the 4tb doesn’t work.

Now when the drive is plugged it I get the following error message “the disk you inserted was not readable by this compute” with three options: initialise, ignore or eject.

Any help or advice given is greatly appreciated.

Maybe you should try contacting WD’s Technical Support about this. You can do so either by phone or email.

To Contact WD for Technical Support
http://support.wdc.com/contact/index.asp?lang=en

Support by Country
http://support.wdc.com/country/index.asp

Regards,