Nintendo switch fan very loud?

sh
- in Nintendo
5

My Nintendo Switch has been quite loud for about 3 weeks now (I almost can't hear the sound of the game anymore, so I cleaned the fan, but after 20 minutes of playing Pokémon the fan snaps off completely and it's just annoying. My switch is now 2 -3 years old and had no problems with the fan for a long time.
Is the fan completely defective or did I do something wrong?
what can I do

Ev

Do you have the problem only with Pokémon? If so, what's wrong with the game? If the problem also occurs with other games, the fan is out then unfortunately only a fan replacement helps.

I know the problem very well.

de

I do not dare to open the console at all… Anyway, it is always advised that you also have to renew the thermal grease. But that does not always help.

sh

So you prefer a new fan or new paste?

de

Well that probably depends on the wear, but maybe a new paste would be the solution first.

Ev

I'll say it like this. If you no longer have a warranty on the console, then it does not matter if you change the fan. You can't do much wrong with this. For safety, you can take pictures gradually. This facilitates the assembly.