DION WIRED DOESN'T DO WHAT THEY SAY.

Hi. I bought a laptop online Dion wired on black friday it got delivered 2 weeks later, when it came I opened the box switched it on and was not happy with the laptop so I closed it put everything back as it was and called dion wired head office the next day to let them know I'm not happy and would like a refund. They told me that I need to take in to my closest store so they can make sure no viruses etc I took it to mall of the south where the manager DJ was very unhelpful and told me that the laptop is in great condition but for them to take it back I would have to incur a 20% handling fee. I was furious because on their website it clearly says that you can get a refund if you return within 7 days. Also the terms and conditions say that as long as it's in original packaging which it is. I called head office to complain they told me someone would contact me. No one has contacted me and they do not want to give me a refund. They are saying that the fact that I switched it on means it's used. I don't think this is right of them to do this as per their policies and my consumer rights.I refuse to accept that they will not refund me, I'm now sitting with a product that I don't want.