i have an Intel(R) Pentium(R) M processor 1.70GHz and its speed is 1.65GHz it has 512mb of RAM and it runs choppy at times. when i get on the computer at first it runs normally and when i play a game it still runs normally. but after a while the computer begins to run choppy. the game runs choppy and if i try to watch videos they look choppy but the audio is fine. can anyone help me with this problem