ocessor & Cache Memory Intel Core i7 Processor 820QM/720QM : 1.73 GHz - 1.6 GHz, with Turbo Boost up to 3.06/2.8 GHz; Chipset Intel HM55 Express Chipset Main Memory DDR3 1333/1066 MHz SDRAM, 3 x SODIMM socket for expansion up to 12GB SDRAM Display 18.4" 16:9 Full HD (1920x1080) LED backlit Video Graphics & Memory NVIDIA GeForce GT335M, with 1GB DDR3 VRAM Hard Drive 2.5" 9.5mm SATA 640GB,5400rpm 500GB,5400rpm;7200rpm 320GB,5400rpm;7200rpm Dual HDD support Optical Drive Blu-Ray DVD Combo Card Reader 5 in 1 card reader SD,MMC,MS,MS-Pro,XD Video Camera 2.0 Mega Pixel web camera Fax/Modem/LAN/WLAN Integrated 802.11 b/g/n or 802.11b/g Built-in Bluetooth V2.1+EDR (optional) 10/100/1000 Base T Interface 1 x Microphone-in jack 1 x Headphone-out jack 1 x VGA port/Mini D-sub 15-pin for external monitor 2 x USB 3.0 ports 2 x USB 2.0 ports(1 for E-SATA combo port) 1 x RJ45 LAN Jack for LAN insert 1 x HDMI 1 x S/PDIF Audio Built-in speaker and microphone SonicMaster Battery Pack & Life 6 cells: 5600 mAh 63 Whrs AC Adapter Output: 19 V DC, 6.3 A, 120W Input: 100-240V V AC, 50/60 Hz universal Dimension & Weight 53.0 x 28.0 x 3.00~3.60 cm (W x D x H) 4.40 kg (with 6 cell battery) Security BIOS Booting / HDD User Password Protection LoJack 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.
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