Second hand stock sold as new

I bought i lenovo flex 2 15' laptop from dion wired on 14 Aug 2015 <br> When the sales rep said he just wants to check if the power supply is in the box i did not think strange of it only to discover later that it was second hand when i installed new software to find another customers email still active on the machine. <br> <br> I really feel this is unacceptable for a company like Dion wired to sell a product to a customer claiming its new when its returned stock. <br> <br> the serial number is : WB***7