Quality Less Items & Very Bad Service

Location/place: KADAPA

Name of company/service: Lenovo,& Wipro

Dear sir,
I purchased Lenovo G500 Laptop On 16/07/2013 for 40000, From Day 1 i have problems with that laptop.I requested New Laptop on same Week But they didnt respond for my service & still i am faceing same problem.Please do Need Full for me