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My ps4’s fan is really loud. I carried with me to my dad’s place before it got louder and it was in it’s original box while I carried it and i carried it carefully avoiding hits. After that when i got home it got loud. I noticed it when I booted it up and noticed that it was louder than when i bought it and when i went and played games it got even louder. It’s like a vacuum cleaner nowadays
This is most likely due to the case of dust build up inside the machine. Use this guide on how to open up the machine for cleaning: Only perform this step if you’re out of warranty on the machine. Sony PlayStation 4 Repair Note that you will have to redo the thermal paste for the logic board. If the PS4 has like no dust and is clean, try redoing the thermal paste on the logic board. Bad heat transfer from the APU can cause the fans to ramp at very high speeds.