I have updated my Mac from snow leopard to mountain lion and my book is not responding do I need to update this also eddis46


Can you let us know exactly the model number of the My Book…

the model is my book essential  thank you


Are you able to see your drive in disk utility?

Also if possible connect your drive to a different Mac computer…

Now, if the problem is with Smartware download the version 1.3.4.x

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