Processor Intel Core i5 430M/450M/520M/540M Processor Intel Core i3 330M/350M/370M Processor Intel Pentium Dual-Core P6000 Processor Chipset Intel HM55 Express Chipset Memory DDR3 1066 MHz SDRAM, 2 x SO-DIMM socket for expansion up to 8 G SDRAM Display 15.6" 16:9 HD (1366x768) LED Backlight Graphic NVIDIA GeForce 310M with 1GB DDR3 VRAM Storage 2.5" SATA 640GB 5400rpm 500GB 5400rpm/7200rpm 320GB 5400rpm/7200rpm 250GB 5400rpm Optical Drive Blu-Ray DVD Combo (Optional) Super-Multi DVD Card Reader 4 -in-1 card reader ( SD/ MS/ MS Pro/ MMC) Camera 0.3 Mega Pixel web camera Networking Integrated 802.11 b/g/n Interface 1 x Microphone-in jack 1 x Headphone-out jack 1 x VGA port/Mini D-sub 15-pin for external monitor 3 x USB 3.0 port(s) 1 x RJ45 LAN Jack for LAN insert 1 x HDMI Audio Built-in Speakers And Microphone Altec Lansing Speakers SRS Premium Sound Battery 6Cells : 4400 mAh 48 Whrs Power Adapter Output: 19 V DC, 4.74 A, 90 W Input: 100 -240 V AC, 50/60 Hz universal Dimensions 38.0 x 25.5 x 3.45 ~3.57 cm (WxDxH) Weight 2.62 kg (with 6 cell battery) Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.