how do i upgrade to a better graphics card?

[manlay]

hello guys,

new to this. Just bought ghost reckon advanced warfighter. Noticed that i need to upgrade graphics card. How can this be done?
cheers manlay

[xstatic]

It's very bad for me because I bought my notebook no too late and some my favourite games are not give many fps.:smileysad:
So, thank you
How do you think: is turbocash giving more speed to games?