Just at the completion of one year, the HDD crashed for my DV6 1355-dx HP laptop, seems they have a timer(warranty periods ends, crash it), then after 6 month the battery is gone and showing 2-3% capacity and even its not starts without the AC adapter connected to power. The keyboard part of the numluck side is also started malfunctioning. Some of my friends who are using HP product are neither satisfied also. I would say that the products/parts are not up to the mark.