I'm afraid I have to agree with the others. The only things you can possibly upgrade are the RAM and perhaps a bigger hard drive. If your laptop can play half life 2, and I have no way of saying whether this is correct or not ,then I would suggest your laptop isn't bad at all. Does it really matter what others think if the laptop does all you ask of it?
But then again it is possible to upgrade a laptops cpu. But this is not something you should do unless you know what your doing. I bought a new cpu for my famous dell latitude lol andmy brother is an ict technician and he installed it for me :-)
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