Dell — Regarding system sound problem

Address:

Indore, Madhya Pradesh

I have a Dell Inspiron 55SKD02 laptop which are having the following problems. 1. Speakers not working. I tried calling Dell customer service and complied with all the formalities. An engineer also visited but could not fix the problem. It has been 4 days since the engineer visited and there is no respond from the company since then . laptop is in the warranty period of 2 year