[neo_ny_23]

Hi,
my Compaq Presario 2500 laptop gets over heated within few moments of use (around 45 minutes to 1 hour of use) and when I am doing long projects which take hours, it randomly freezes every 3 or 4 hours of use and then I have to manualy restart it again to work on it.
I checked the laptop temperature and when I start my laptop its like around 25 to 30 degrees celcius, but soon it gets heated upto 45 or even 50 plus temperatures.
So is thereany way to decrease my laptop temperature or anything I can do to protect it?