three days before I bought this laptop. It is working properly. we need to install any os. finding drivers(for webcam, touchpad etc.) is little bit tough. I installed win7 along with ubuntu. working fine. proc: cheep compare to other laptop configuration 4gp ram 2mp webcam(other costly laptops have 0.3mp only) speed is ok look like costliest laptp cons: It is 2010 model processor getting heat complete discharge takes 3 hrs while you work only one application, but if you work heavily then it will discharge within 1.5-2hrs If i found any dificult i wiil comment latter