Cooling hp envy, what's the problem?

Question

Iron

The bottom line is this, a hp envy laptop, it’s normal for work, but
if the load of the processor is 30% + for a couple of hiccups, the cooler starts at max speed
and in games the same dota max 20 load of the processor starts to buzz the temperature of the processor is 70, and
the FPS drops wildly, what to do video nvidia m 740,
cleaned thermal paste replaced

Answer 1

A conspiracy of masons-manufacturers of laptops, nothing else.

Answer 2

Perhaps the thermotubes or the cooler have lost their properties over time. cooler dismantled cleaned / lubricated?