HI, I have 3 WD EHDs- (2) 500GB "My Books" & (1) 1TB "Elements"units. The My Books both worked fine for a while- I bought 1, then 6 mos. later the other 500. The problem I'm having is the 722 simply does NOT recognize ANY of them unless it wants to.
The 1 TB EHD is only 2 mos. old. It worked...