Is it possible to change processors on a laptop?

Is it possible to change processors on a laptop?

I currently own a HP 2000 (I think?) laptop running OS W7 home premium 64 bit with 4 gig of ram & 500 gigs of hard drive space on I3 core 2.20Ghz processor!

Is it possible to change the processor to an i5 or i7 with 8 gigs of ram?

I know I can up the ram from 4 to 8gbs (as it is single ddr3 ram slot & I have one to spare) which I'm planning on doing anyway in about 3 months (as that is when the warranty runs out), but just wondering if i can change the processor at all?

the computer is mostly used for internet, education,work & research (95%). I have no reason to use it for playing games, as I spend more time on the computer learning & working then I do worrying about playing games + I own a Playstation 3 (so no need to use it for games)!

The programs I usually use on a regular basis is graphic programs like Adobe Photoshop/Illustrator & photo/graphic programs etc.

It works fine at the moment, but I would like it to be a bit quicker then what it is!