Incredible connection sold a laptop with outdated technology

We bought a Proline laptop from Northgate Incredible connection in September. After a while it started giving a blue screen error. We persevered but now it is giving this error continually and just shuts down. Today I took it to Northgate for advice. Beauty told me they don't have anyone at tech support and they will have to send it for repairs??? I asked where it would be sent to and if I could take it myself as I wanted to know why a new laptop behaves in this way. She said I should take it to the Fourways branch of Incredible connection as they have Tech support and a workshop. So I take it to Fourways. They have one person in Tech support so I waited for him. He looked at the laptop and said I was sold a laptop with outdated technology and I would have to replace and update the hard drive . He said the sales person was wrong in selling this laptop. Why on earth would they sell us a laptop that is outdated and why should I pay for that privilege, and more expense to have it updated!