Hi every one.! I am charan I am using the #Dell inspiron 15z# of 8gb ram laptop since 2 years. its is packed with windows 8 os inbuilt and I get updated with 8.1 also even though the performance of the laptop is good and satisfactory. I am not a heavy user I don’t use very heavy software I just use literal software but I will continues connect in internet with lan connection there is no lag and no issues. after usage of 1 and half years its literaly heating in a heavy usage beyond that everything is okay and satisfactory.