My P.C. fan started making a buzzing noise

This fan that I bought 2-3 months ago and worked without a sound is now making a very loud sound (it is still working though).

It is so loud I can hear it outside my room, it has started today, so I turned off my pc and push the fan around with pressure, it seems the noise lower by a lot but you can still hear it, do I need to oil it or something?
2 answers Last reply
More about started making buzzing noise
  1. it happens, usually with cheaper fans.
  2. Unless there's something sticking into the fan (like a stick in bicycle spokes), or you didn't secure the fan tightly to the heat sink (vibration) . . . all you can do is replace the fan.
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