A CPU fan is more than just a fan. It is attached to CPU with power pins/wires and a sensor that tells it how fast to run. If the CPU is heating, the sensor will make the fan run faster. As such, the ...

It can feel jarring to restart your computer and see an error message instead of your computer’s lovely login screen. Worse, when that error message is one of these ...

There can be many reasons why your CPU might have sudden temperature spikes and dips. This will explain the reasons, and then share how you can fix it: If your CPU temperature increases and decreases ...

Fan Control is a great tool for doing exactly what its name suggests, giving you complete control over your system's fans, including your CPU and GPU fans, plus any water cooling pumps that you may ...

The project illustrates the control of a PC fan speed and using an Arduino microcontroller to read a LM35 temperature sensor. The use of an optocoupler is covered along with Pulse Width Modulation ...

One of the first things you get to learn about computers is that any amount of processing produces some amount of heat as a byproduct. It's not unusual for even a well-cooled computer processor to ...

IIRC the extra pin on a 4 pin motherboard header may report if the fan has totally stopped, like a failure line, to tell the mobo to shut the CPU off. I've got an old 4 pin fan here from a '94 vintage ...

So I built out a new box some months ago with the help of the fine Ars folks and it's been running great until recently.. for some reason the fans seem to randomly ramp up high for a few seconds then ...