WD Smartware CD Icon

WD External Drives External Drives for Mac
2

That’s a Virtual CD, you can remove that with a utility from the WD Web site

click on the link below to get the steps on how to do that.

http://www.wdc.com/wdproducts/wdsmartwareupdate/utilitiesstep1.asp?id=wdfMB_Essential&os=MAC

That utility allows you to enable or disable the VCD.