How do I oil an switched-mode power supply (SMPS) fan?
The SMPS fan on my old Pentium 4 box is fairly noisy of late.
A. Should the fan be oiled?
B. What precautions should be taken?
C. Where should the oil be applied?
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PSU fans are usually sealed bearing or use solid graphite lube, and I can tell you from experience that opening up a PSU can be dangerous. You could in theory replace the fan, but it's worth spending the 30 or so dollars to buy a nice new PSU, preferably with a 120 mm fan.