Try installing the latest Smartware version available. Check the following link.
Available Downloads
http://wdc.com/wdproducts/wdsmartwareupdate/wdsmartware.asp?id=wdfMB_forMac&os=mac
Try installing the latest Smartware version available. Check the following link.
Available Downloads
http://wdc.com/wdproducts/wdsmartwareupdate/wdsmartware.asp?id=wdfMB_forMac&os=mac