I followed your advice, opened the beast, and took out the heat sink. I expected to find the heat sink in a sorry state, clogged with an insane amount of dust, but... nothing. The heat sink and the path to the fans was already virtually cleaned. I cleaned it a little more, but of course that doesn't make any significant difference.
When the machine is running, I have the smaller fan running all the time. That is the fan on top of the memory, I believe. The smaller heat sink fan also seems to be running. But it is the first smaller fan that bothers me the most. That fan just makes an insane amount noise, with a particularly high pitch compared to the other fans.
Is this just what everyone has, or is there anything I can do about this?
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