i have a HP Pavilion dv2020ca, it's overheating too much, is it possible that i can upgrade the fan on it? and how would i go about taking apart of it?
Most likely not. You could possibly replace the fan, but due to the limited amount of space inside of laptops, especially a 14'' one you are most likely stuck with what you have. Have you tried to clean it out? Take a can of compressed air ($10 at Staples) and blast out the intake and exhaust vents. For me, air also flows through the Num pad on my laptop so blast out the keyboard too. This can be mostly done without even taking the laptop apart. Last resort, buy a notebook cooler.