DEll Inspiron 15 comes with 1366x768 HD LED display with WLED backlight. it has intel core i3 380M/2.53 GHz dual core processor. it has 64 bit computing system wth mobile intel HM57 express. 4gb ram provide 1333MHz memory speed with DDR3 SDRAM technology. interface Serial ATA-300 provide read speed 8x with 320gb hard drive. for better graphic it contains intel HD graphic card with keyboard and touchpad, blurtooth.wifi. and better bettery capacity. for service you can choose over many saevice center in india.