my swich fan problom

[ruby vortex]

i was playing my swich like playing nintendo games and i got a strange fan sound like trrrrrrrrrrrrrrrrr so when i play a game sometimes i get the sound

when i get the sound i will record it and post it here

[brave crow]

Maybe needs to be cleaned

[ruby vortex]

what cleaned

[brave crow]

The fan

[ruby vortex]

but how im not a repair guy

[brave crow]

Shoukd be a guide on how to take off the back. Then just clean dirt off the fan