HP Pavilion 15 Notebook is one of the best laptop. I am using this laptop last 1.5 year. It is very good service and smooth work for all customers. It is specially more better for employee because fast work and smoothly work done in office. HP Pavilion notebook battery backup is 4-5 hours continue. I have silver color hp pavilion 15 notebook. In this 4 GB RAM and core i3 processor 2.10 GHZ. I think you buy this laptop, you will do not face any problem in the future. Companies gives an one year warranty in this period your laptop in you face any problem, you can call to customer care and company provide an engineer at home basis.