Buying A Computer "Case" Fan... Does It Always Run At 100% Unless Told Otherwise?
Fresh3 days ago
Mar 15, 20263187 viewsConfidence Score0%
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Problem
What happens if I do not plug it into the motherboard and it does not have a switch? I have seen fans before with an "off/low/high" switch that allows you to manually set their speed. I have seen fans that plug into the motherboard and are controlled by the OS. I am curious... what does a fan do by…
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Fix for: Buying A Computer "Case" Fan... Does It Always Run At 100% Unless Told Otherwise?
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Well, kind of. Fan speed control is done by varying voltage or through Pulse Width Modulation (using a constant voltage and cutting it up into pulses to vary speed). If you're plugged into a motherboard, that's what it does. If it has 3 wires, the t…
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