Once you've got your replacement Sky Digibox, it's not just a case of plugging it in and inserting your Sky Digital Viewers card. Sky want to make sure that they know who is using Sky Digital and in order for your replacement box to work, it much be linked to your Sky Digital Viewing card.
To do this, insert your Sky card into the slot in the front of the digibox and then call Sky Customer services on 08702 404020.
They will ask you for the version and serial number of the receiver and your viewing card number. You can find these details by pressing the "Services" button on the Sky remote, then select "System Setup", then "System Details".
Sky will then send the signal to activate your card within an an hour or two.