Jerry Geis wrote:

...

Do you have any "history" with the adapter you connected them to? If not consider it as a possibility as well (from bad experience of total filesystem/partition corruption on two hard drives only to discover it was >something on the motherboard).

Actually yes I used them many times back on C7.5 Both the motherboard and USB adapter.

I'm a tad confused: you said the USB drive was brand new - did you use them with C 7.5, or not? Can you try to do a b/u using whatever drive you used before?

mark