I purchase one sony laptop Model VIO VGN-ER56GG/B on dated 24/11/2009. After buying I feel that the backup of the laptop was not sufficient. Even after full charge if I don't use it for 3-4 days its battery become almost empty.Cursor of this system was also not working properly. Then I submitted this laptop on Sony Dayanand Vihar, Delhi service station, they returned me this laptop after 10 days. I found the both problem in the system was remain same. After that I got busy for some outstation and abroad travelling.Then I... read full review »