Hello my name is yashoda and today I am sharing my personal experience about HP 4540 S notebook I recently brought this is one of the poor laptop for me because this laptop have so many problems first one is hanging issue when I use this laptop normally will hang automatically I dont know why this one I have call the customer care of HP then they suggested we go to service centre and repair this device when I went for a HP service centre for repair this laptop they are not repair good but laptop same problem is happening again I am very unsatisfied with the HP service and this out of her heating issue also when I use this laptop for a long time it will it automatically and battery is also very poor office laptop and this laptop is not your friend I am very satisfied with this laptop and HP service