OS Genuine Windows 7 Home Premium Genuine Windows 7 Professional CPU 3rd Generation Intel Core i5-3210M Processor(2.5GHz-3.1GHz) Display 14" 1366X768 LED backlight System Memory 2GB/4GB DDRIII SO-DIMM 2 slots (Max 8GB) Chipset Mobile Intel HM77 Express Chipset Video Graphics Intel HD Graphics 4000 NVIDIA GeForce GT 640M 2GB Supports NVIDIA Optimus Technology Storage 128GB mSATA Solid State Drive (m-SSD) I/O Port USB 3.0*2, USB 2.0*2, D-sub, HDMI, RJ45, Mic-in, Earphone-out, SD Card Reader, DC-in Jack, Audio 2 Watt Speaker*2, Internal Microphone Communications LAN: 10/100/1000Mbps Ethernet Wireless LAN: 802.11b/g/n Wireless Bluetooth: Bluetooth v4.0 Webcam 1.3 MegaPixel Security Kensington Lock Battery Li-polymer, 4000mAh, 4.2V, 44Wh Dimensions 339(W) x 233(D) x 18.5~21(H) mm Weight ~1.59kg (w/ Battery and m-SSD) ~1.69kg (w/ Battery and HDD) 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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