I bought compaq presario CQ40 six month before. and I am very much disappointed with this product because I spent 32000 rupees to buy this but this laptop and now I must say my money is a totally get waste. this laptop this laptop hang using Chrome Mozilla Firefox I don’t know why. I have installed antivirus in this laptop to but nothing change still hanging I also reinstall Windows 7 but nothing changed while watching movie when I play 1080 p movies on it it also have that time too. so I do not recommend anyone to buy this thank you.