I noticed that some minutes after booting it the pc starts to produce a fast ticking like a fan hitting some loose cable but I checked and the fans are unobstructed.The noise is barely noticeable with earphones on and it looks like it comes from the fan at the back of the case, or maybe the one on the cpu and motherboard.
When I turn off the pc the noise gradually slows down with the fan speed.
When I turn off the pc the noise gradually slows down with the fan speed.
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