You just have to find the % at which your fan stops working by looking at it.Ĭheck that your fan supports PWM, too. Speedfan sets speed according to temperature, so you don't even really need to read the RPM. Some fans do not report speed properly, but can still be controlled. ![]() Negative air pressure: More fans are blowing air out of the case than drawing air in, causing a slight vacuum effect. Put your case on the table and look inside while doing this. Assuming all the fans are the same size and speed, then you have one of three possible options for the air pressure inside the case: Positive air pressure: More fans are drawing air into the case than blowing air out of the case. ![]() Try disabling any fan option in BIOS (use the "always on", "max", "not intelligent" or similar option)ĭo not worry about speeds. The best way to adjust your PC’s fan speeds is through the Unified Extensible Firmware Interface (UEFI). Check your manual (or google) for PWM support. Some board circuitry only support control for the cpu fan, some on cpu + one other fan only. On my board, the cpu fan is shown as case fan, somewhow.ĭo not assume that your motherboard supports fan control on all your fans. Option 1: Fan setting in BIOS Select the fan that you want to configure Select DC or PWM control according to your fan type. Installing is as easy as dropping a dll in the plugin folder, thats it. Fan Control is a free software that allows the user to control his CPU, GPU and case fans using temperatures. ![]() Don't forget to untick "Automatic" on the main screen other the arrows do nothing!ĭo not assume that numbers match and that Speed03 is your fan, maybe it's your cpu fan showing? Set them all to manual and try them one by one. Fan Control is a free software that allows the user to control his CPU, GPU and case fans using temperatures. Name the Fan Controller the group of fans you want to adjust. The key part in speedfan is setting your motherboard PWM fans to "Software controlled" (now called Manual I noticed) in Options for your chipset, then try to increase or decrease various speeds until you find one that affects your fan (you'll probably find one for your CPU too). Click on the Add box located on the right.
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