Lenovo G-50 is very good lappy it is easy to use I am purchased it for office work. if you want this laapy to use in official it is very good and light wait. it has 2GB RAM and 500GB hard disk which is sufficient for normal use its key board is easy to use its also have numerical key
it has a function key for use.
I am also used HP 630 but only this lappy I think perfect for mine.
this lappy is not heated and its battery life is 5hr running.