Hi guys, So I have an external drive (WD MY Passport Air) that I have always used on my macbook. A couple days ago I ungraded the mac software to OS X Yosemite 10.10.1 and all the sudden the external drive won't work anymore (it says that the disk is not readable by this computer)!! I checked the disk utility, I found it there and the SMART status says that it was not supported. Any idea how I can get it to work?? I really need the information on it... I already lost them once when my other external drive broke :S Like I said it was working fine before I upgraded the software and nothing happened to it!!!