Where do you see that there is supposed to be a recycle bin? What screen? On the My Cloud Dashboard? If the Dashboard, which tab/screen on the Dashboard?
Does your My Cloud look like this:
Or is it one of the other models listed on the following WD Support page?
The single bay My Cloud units, the general subject of this subforum (My Cloud) do not support nor have an option for a “recycle bin” within their My Cloud operating system. The multi bay My Cloud units typically and generally do support a “recycle bin” feature. But one has to enable it through the My Cloud Dashboard.
The following WD Knowledgebase article details which My Cloud models have a recycle bin:
And this WD Knowledgebase article give some general information, for certain My Cloud models, on that Recycle Bin and how to possibly access it.