Friend had purchased the tablet from Argos.
It was confirmed there was a manufacturing fault where the Nook would overheat and switch off. Still within warranty but an Argos employee advised them thats as they had it over 90 days would need to contact the Manufacturer.
Barnes and Noble organised collection and they received it on 02/10/14. After many emails B & N advised it was out of stock and they would need to wait for a replacement.
Friend then asked for a full refund at the end of november and it was flatly refused and that's where they asked me for help.
Sent an email to Argos to advised that they had given incorrect information and it should have been argos that dealt with it.
On receiving the confirmation of purchase Argos refunded in full