My My Book Live 3Tb suddenly can't be accessed by my WD TV SMP

[nfodiz]

Try following this guide to factory restore the MBL without deleting the data. You will have to recreate your shares in the dashboard to get access to the data again so write down all your shares listed in the dashboard before you start the guide.

http://community.wd.com/t5/My-Book-Live/GUIDE-Fix-Dashboard-Errors-3xxxx/m-p/513954#M16581