CPU: Intel Core i5 Processor OS: Genuine Windows 7 Home Premium Chipset: Intel HM55 Memory: DDR3 1066, Max: 8GB LCD Size: 14” HD TFT LCD (16:9) Graphics: NVIDIA GeFroce GT 325M + Intel integrated graphics Graphics VRAM: DDR3 1GB HDD (GB): 2.5" 250GB/320GB/500GB SATA Optical Drive: Super-Multi Audio: 2 high quality speakers Webcam: 1.3M Card Reader: XD/MS/SD/MMC LAN: 10/100/1000 Wireless LAN: 802.11b/g/n Bluetooth: Bluetooth V2.1 (Optional) D-Sub (VGA): 1 HDMI: 1 USB 2.0 port: 3 USB 3.0 port: N/A eSATA: 1 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: 350(L)x234(W)x29.7~33.5~39.5(H) Weight (KG): 2.2 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.