I switched my laptop from Dell to Lenevo. Specs
CPU : Intel i3 6006u
Graphic Card : Inegrated Intel HD graphic 520 and Nvidia 920M 
RAM : 4 GB
But my Lenevo runs very slow. I tried formatting it few times still no effects. 
My Dell laptop had i3 3rd gen and Intel HD graphics and 4 gb RAM 
Did I...