CPU: AMD Athlon II Dual-Core Processor OS: Genuine Windows 7 Home Premium Chipset: RS800M+SB820M Memory: DDR3 1066, Max: 8GB LCD Size: 14" 1366x768 WXGA Graphics: ATI Mobility Radeon HD545V Graphics VRAM: DDR3 512MB HDD (GB): 2.5" 250GB/320GB/500GB SATA Optical Drive: Super-Multi Audio: 2 High Quality Stereo Speakers Webcam: 1.3M Card Reader: 4 in 1 (SD/MMC/xD/MS) LAN: 10/100 WLAN: 802.11b/g/n Bluetooth: optional D-Sub (VGA): 1 HDMI: N/A USB 2.0 port: 3 USB 3.0 port: N/A eSATA: N/A eSATA/USB Combo: N/A Mic-in/Headphone-out: 1 Express Card: N/A Modem port: N/A Line-in: N/A Keyboard: 103 keys AC Adapter: 65W Battery: 6 cells Dimension: 344.4(L) X 221(D) X 13.5~28(H)mm Weight (KG): <2.2 kg It is highly recommended to always use the most recent driver version available. Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.