To 2gb, and i was told my crucial to use this http://www.crucial.com/store/mpartspecs.aspx?mtbpoid=8D...
i tried to put the ram into my computer and it wasn't fitting into the slots, but i could be putting it in wrong im not experienced.
What i want to ask is, is this the right ram for my computer?
Yes. RAM comes out easier than it goes in. Make sure it's not back to front (there will be a slot in the ram that lines up with a piece of plastic on the slot) and that the clips are in the open position (facing outwards) line the notch up first and press firmly at one end, once it pops press firmly at the other end to close the second clip. To be honest it's much easier to watch a you tube video to see how it's done.