Can you give us some specs of your computer?
CPU, RAM (amount, speed and make) Power Supply size, hard drives etc...
As much as you can.
My computer's spec list
CPU AMD sempron(scoket 462) 2200+
H.D. Maxtor 80G(8M cache,PATA interface)
Display card chip: ATI radeon 9550(128M128bit)
Motherboard: Abit nf7(use nVidia noforce 2 chip)
Thank you,above is my main specs,and other specs i think it would not beget promble.Thank you again