Ludwig Von Cookie Koopa Posted October 24, 2009 Share Posted October 24, 2009 (edited) I cleaned out my fan and forgot which way it was facing. It now makes a noise from time to time. Before it was dusty, it was quite.I have the Power Supply fan pointing down while the CPU fan is blowing counter clockwise. Meaning the air that blows from the PSU fan is getting caught with the current of the CPU fan.I was told counter clockwise was the correct way, however. The PSU fan is blowing directly above the CPU fan.This is how the majority of my computers is setup, out the box. The reason was the air that blows on to the CPU is cooling the heatsink.However I was thinking the air from the PSU is going to heat up the CPU.The computer is currently caseless. The original case has no where for the air to flow, asides the back. Edited October 24, 2009 by Ludwig Von Cookie Koopa Link to comment Share on other sites More sharing options...
TranceEnergy Posted October 24, 2009 Share Posted October 24, 2009 use logic. it doesn't matter that much, just make it so the air flow is as good, uninterrupted, as it can be.nintendo ftw! Link to comment Share on other sites More sharing options...
Guest Posted October 24, 2009 Share Posted October 24, 2009 He's not talking about a case fan...see thread title.The CPU fan should blow on the heatsink. Link to comment Share on other sites More sharing options...
ripken204 Posted October 24, 2009 Share Posted October 24, 2009 actually it may not matter depending on the heatsink.what heatsink is it? Link to comment Share on other sites More sharing options...
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