Series: X-Slim CPU: Intel Core i5-520UM Processor OS: Genuine Windows 7 Home Premium Chipset: Intel GS45 + ICH9M-SFF Memory: DDR2 667, Max: 4GB LCD Size: 13" 1366x768 TFT-LCD Display Graphics: Intel GMA 4500MHD Graphics VRAM: share with system memory HDD (GB): 2.5" 320GB/500GB SATA Optical Drive: N/A Audio: 2 HD speakers Webcam: 1.3M Card Reader: SD/SDHC/MMC LAN: 10/100/1000 Wireless LAN: 802.11b/g/draft-n Bluetooth: optional D-Sub (VGA): 1 HDMI: 1 USB 2.0 port: 2 eSATA: N/A eSATA/USB Combo: 1 Mic-in/Headphone-out: 1 Express Card: N/A Modem port: N/A Line-in: N/A Keyboard: 87 keys AC Adapter: 65W Battery: 4/8 cells Dimension: 330mm x 227mm x 6.0~22.5mm Weight (KG): 1.5 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.