Hi all,I have a Xbox 360 slim 4gb and a 250gb western digital Scorpio blue (which I have read is compatible) I then put it in the slot and turned my Xbox on, it seems to spin Hi all,I have a Xbox 360 slim 4gb and a 250gb western digital Scorpio blue (which I have read is compatible) I then put it but is not recognised anywhere, any help? Many thanks Alex.