Originally Posted by Zyber

All HP Pavilions have a design flaw with the heat-sink on the motherboard. It means that the GPU will often melt and fry your laptop due to the heat problem.

There was (is?) also a class-action lawsuit regarding this.

It is a good idea to remove any dust from the fan annually with compressed air. Just from the outside. It is not an easy operation to get access to the fan from the inside on these laptops because you need to remove the motherboard too.