This hp notebook is low featured notebook.its screen size only 15.6 inch.hp 4540s notebook has 500gb hard drive.chipset brsmd is intel this is good .it has2.5 ghz processer.it has intel co processer.this notebook troubleshoot feature are not good.battery strength is low.its battery backup is low.notebook camera strength is low.speakers are not steriophonic quality.this notebook is very uncomfertable.some feature are good just as ram rom but stregth are main problem .