My Book Studio II 2TB stops coping files at 50-70%


I have My Book connected via firmware 400.and I can’t copy Files from my computer. to WD Book.At 60%(sometimes less sometimes more) the light on the fron of disk stops going up and down only stays on down position.And that’s it and it’d stay there till the end of the world.Please help it happens either I copy or paste folders like 4GB or so.

Help can’t see any solution :frowning: