OS: Genuine Windows 7 Home Premium, Genuine Windows 7 Professional CPU: 3rd Generation Intel Core Processors Display: 14” 1366 x 768 LED backlight System Memory: 2/4GB DDRIII, 2 slots(Max 8GB) Chipset: Mobile Intel HM77 Express Chipset Video Graphics: Intel HD Graphics 4000 Storage: 320/500/750GB 2.5" 7mm SATA HDD 5400rpm, 320/500/750GB 2.5" 9.5mm SATA HDD 5400rpm, 24G mSATA SSD (optional) Optical Disk Drive: 9.5mm Super Multi DVD RW I/O Port: USB(3.0)*1, USB(2.0)*2, D-sub, HDMI, RJ45, Mic-in, Earphone-out, DC-in Jack, Audio: 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-ion 4-cell, 2600mAh, 38.48 Wh, (Li-ion 6 cell, 2200mAh, 48.84 Wh optional) Dimensions: 335(W) x 240.8(D) x 21.5(H)mm Weight: ~1.92kg(w/ODD and 4-cell battery) 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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