Insatisfação/ Produto com defeito

I bought the product and received it on 13/6, today on 24/6 the notebook is no longer working if it is not connected to the socket, 11 days with the product and it is already damaged. I entered

I contacted Dell to make the exchange, which would already be an inconvenience, and they informed me that they will not exchange it because 7 days have already passed. A product that was not cheap, an investment, I barely used 10 days of something that is supposed to last a long time and is already damaged, and the company's solution is to change the battery and I will have to send it and receive a product back It has barely been used and will need to be repaired. A feeling of enormous dissatisfaction with the service and the product that I have now. Willingness to cancel the sale, even if it is necessary to open a  <Private data removed from public view. DELL-Admin>