I recently purchased a Mac Mini. Since I already had an internal blu Ray burner from LG, I also purchased an external (SATA/USB 2) case. Details: Blu ray Burner: http://www.lg.com/us/data-storage/lg-BH10LS30 External Case: http://www.sabrent.com/category/hard-drive-enclosures/EC-ST5B/ My Mac does not see the drive. Once connected, the tray closes and each time I open it, it closes again. Once closed a couple of seconds, I cannot open it any more. If I (manage to) insert a disc, it does not appear on my Mac Mini. Once I disconnect the USB, the drive remains open or closed. Toast also does not see the recorder. Now here is the interesting part. Both the Blu Ray writer and the external case seem to work fine: 1. The LG recorder works fine in a Windows machine. I also upgraded the firmware. 2. The case also seems fine: I have an older LG burner (BH08LS20), however, this one does not recognize empty Blu Ray discs (but does read them and writes DVD and CD). This is the reason I replaced it with the BH10LS30 (which if I am not mistaken is a more recent model). If I connect this "old" BH08LS20 using the external case, the Mac Mini recognizes the drive. So I can read BD/DVD/CD an write DVD/CD. This tells me the external case is also working fine. Help much appreciated.