Switching the HDD with a 7200rpm drive will provide the biggest boost to performance. And they are cheap (2-2.5k for a 500GB).Bought a Inspiron 15R two weeks ago. It lags a lot with 2GB of RAM and a i3 proccy. I did all i can to optimize the startup and speed but no use. Can adding 2 more GB of RAM will solve this?
BTW, It is not my choice, it is given by my company.