Got a KDL-22EX320 tv recently - plaesed with with but having an issue with connecting external drive via USB so that I can record to it.

I have tried with two different external drives - a 2TB Western Digital and a 250gb La Cie - the tv recognises the drive being attached but, when I try and Register it, the tv formats it for a few minutes then gives the message "HDD Registration Failed".

I checked that the tv is running the latest firmware and it appears to be.

Any suggestions? Does the drive need to be pre-formatted in any particular way?

Regards and thanks in advance.