My CPU fan has been quite noisy lately, I looked inside and figuring a way to make it quieter (the system hasn't changed and been quiet in the previous years, and no overclocking or anything like that). I found that by pushing on the CPU fan, that the noise would disappear... so I tried to re-screw it perfectly, and it still seemed that the fan needed a bit of weight to push it into the motherboard better, which is challenging considering the fan is vertical when the PC is standing up. Any advice? (I can't change the fans, or buy any new components at the moment).
It's unlikely to be the bearing if it is a ball bearing fan - not so much because of the life expectancy, but because if he's pushing on it and the noise stops, it's more likely to be a vibration/installation issue IMO. Speaking of ball bearing fans, CPU stock fans (the intel stock coolers being a good example) are usually quite high quality ball bearing fans made by Delta/Nidec/Sanyo Denki, and the MTBF is quite high like 50K hours (6 years); some ball bearing fans have crazy MTBF figures like 300,000 hours, which equates to nearly 35 years. THIRTY-FIVE YEARS LOL.
