Ok. Now forward this to ebay and paypal and maybe the police too. I wouldnt even dignify him with an answer.
Regardless of anything else if the rj45 connector was broken and it wasnt specified in the listing then your entitled to a refund - end of story. Anything else he says is completely irrelevant.
agreed 100%. Hes the (insert expletive from email here) for selling a lappy without describing what was wrong with it.