Guys yesterday I installed windows 7 32-bit and i am very dissapointed!! I had windows xp and the computer was ok with all !! but with windows 7 my computer has a lot of problems!! i can't open 2 or 3 windows, i can't play games because it lags and then i have to make restarts !!!! i have installed all drivers for graphics card !! what can i do to make my pc faster?? Do I have to buy graphics card or new ram ??? please help me!!