Model: Sony VPCSB28GG
Processor Name: Intel® Core™ i7-2620M Processor 2.70 GHz with Turbo Boost up to 3.40 GHz*1
Hard Disk Drive: 640 GB*4 (Serial ATA, 5400 rpm)
RAM: 8 GB
Graphics Accelerator: AMD Radeon™ HD 6470M (SPEED MODE) / Intel® HD Graphics 3000 (STAMINA MODE)
Dimensions (WxHxD): 331 x 23.9 x 224.5 mm
USB: Hi-Speed USB (USB 2.0) Type A Connector x 2, SuperSpeed USB (USB 3.0) Type A Connector x 1
Front Side Camera: web camera (Resolution: 640 x 480, Effective Pixels: 0.3 Mega pixels)

Problem:
Battery condition not good
Screen got problem when start normally, but functional when use safe mode