Motherboard Cpu Fan Connector Not Working

The power button on a computer s case connects to the motherboard through a small thin two pin wire.

Motherboard cpu fan connector not working.

Controlling the cpu fan speed in your pc or all the fans in fact is a way to give you more control over your windows 10 experience. Installing a 3 pin fan to the motherboard. The wires going into the fan can also get in the way of the fan blades and prevent it from spinning these fans don t have a lot of torque. I thought no problem i can.

If your pc is working just fine and you re happy with how loud its fans are you don t need to adjust your cpu fan settings. The fan connector will have two guides 1 and these will need to line up with the tab 2 that is on the motherboard fan header. The fan can get clogged with dust and lint hence preventing it from spinning. From the motherboard or directly from your computer s power supply.

When i changed the cpu heatsink to a bigger one with heat pipes and since at that time i had only one 8cm fan i connected that to the heatsink it was designed to 8cm fans so that was good unfortunately the fan had only two wires no third to control the speed etc. If your cpu fan does not spin the issue could be anywhere from the fan the motherboard to the power supply unit. The fan will function normally no matter type of fan header is used. The fans in your computer can get power in one of two ways.

You can connect a 3 pin fan to a 3 pin or 4 pin header on the motherboard. Without this important but easy to miss connection your computer won t start.