Unhappy customer

I purchased a laptop at one of your stores and a damaged laptop was delivered to my house, I then called the store to advise them of such I was advised to return it back to them and was told that I would receive another. Till to date I haven't received any feedback or as to when I'll be getting a replacement of that. The store manager does not even have courtesy to call me back after having called in several times. I have never received such appalling services ever because no one can give a clear indication or feedback.