I would like to upgrade the CPU in my Dell Inspiron 17R N7110 laptop. Here is what I know at this time: The chipset is an Intel HM67 Express. That chipset supports both 4-core and 2-core Sandy Bridge CPU's which includes i3-2330M (the current CPU), i7-2640M (2-core), i7-2670QM (4-core), and...