I purchase this before 4 year and I don’t get any problem with this.G580 series from lenovo company is a good product it having 4gb ram with core i3 processor and also having 500gb.lenovo G580 having a good Accu Type keyboard and it looks pitty awesome.it having dolby music system it builts bottom of the laptop.great processor and intel corei5 and 1.5gb graphic card. ram and hard disk we have choose how much we required. so friends please take a look on this product.