How to Control CPU Fan Speed | How to Manually Control Your PC Fan

One of the chief reasons a personal computer overheat is home fans not operating at required speeds. This is much due to the automatic fan control not functioning correctly. fortunately, you can adjust your sports fan speeds manually using a few different methods. manually adjusting your winnow speed is besides an substantive step in overclocking a CPU. This guide covers how to manually adjust your CPU winnow a well as any other character fans.

Fan types

Before making any adjustments, you ’ ll need to check what type of fans you have. CPU fans will always be adjustable, but early fans in your personal computer may not be so compromising. The easiest way to identify a fan is to check the connection. There are three types of fans : Molex, DC, and PWM.

Molex fans

Molex fans are characterized by their flat four-pin connectors and their directly connection to the might add. unfortunately, because these fans bypass the motherboard, Molex fans are impossible to adjust manually. molex fImage via Amazon

PWM and DC fans

On the other hand, you can manually adjust the two remaining winnow types, which are DC and PWM. To spot a PWM winnow, look for a connection that is little, four-pinned, rectangular in determine, and plugs directly into the motherboard .pmw fImage via Amazon DC fans are about identical to PWM fans with one exception. DC fans have a three-pin connection alternatively of a four-pin. The extra pin in PWM fans makes them more power-efficient, giving the fan better performance. That being said, you can adjust PWM to run in DC mode, but it ’ s not recommended and is a downgrade in most cases.

How to adjust fan speeds using your UEFI

The best way to adjust your personal computer ’ mho fan speeds is through the Unified Extensible Firmware Interface ( UEFI ). Of run, every UEFI is unlike, but the steps listed below are alike on every motherboard.

  • Reboot your computer and enter the UEFI. 
    • To enter the UEFI after restarting, look for directions on your boot screen that detail what key to press to access the UEFI. Most commonly, the F2 or Del key will do the trick.
  • In the UEFI, locate the setting in the main menu called Smart Fan Mode, Manual Mode, Qfan Control, or something similar. 
    • You’ll know you are in the right place when you see a list of fans and a curve graph.

wfanScreengrab via Nichoas Wilson

  • Once you’ve located the fan curve graph, choose the fan you want to control and change the Fan Mode to Manual. 

The fan bend can look confusing at first gear, but it ’ s simple once you get the hang of it. On the left field side of the graph is a number denoting the fan speed, and below the graph is the temperature in celsius. When the temperature inside the case reaches the delegate temperature, it will cause the fan accelerate to increase. 211004094524 1 Screengrab via Nichoas Wilson

  • Now, edit the dots on the fan curve to get your desired fan curve.

211004094538 Screengrab via Nichoas Wilson

  • Save your settings, and reboot your computer. 

How to adjust fan speeds using software

If you use an older personal computer without a UEFI or want a more aboveboard solution, you can use third-party programs to achieve the same effect. The program used in this tutorial is SpeedTemp. however, programs like SpeedTemp may be unable to access your CPU fan depending on your motherboard manufacturer, so using the UEFI is superscript in many cases.

  • Open SpeedTemp, and click the Configure box on the top right.

speedfan 1 Screengrab via Nichoas Wilson

  • In the configuration menu, head over to Fan Control.
  • Check the box next to Advanced Fan Control. 
  • Click on the Add box located on the right.
  • Name the Fan Controller the group of fans you want to adjust.
  • Select Controlled Speed.

fan control 1 Screengrab via Nichoas Wilson

  • In the drop-down, select the fan you want to adjust.
  • Pick Sum of Speeds. 
  • Click Add under Temperatures, then add the Temperature Probe for the hardware.
  • Adjust the graph to your liking.
  • Click Ok, then go back to the main page.
  • Disable Automatic Fan Speed. 

Benchmarking

once you ’ ve set your fans to your craved speeds, you should check them to ensure everything is working equally intended. The simplest method acting to check is to use the UEFI. To do this, open your UEFI and capitulum to the Monitor section. From here you can inspect the fan speeds and temperature.

211004094605 1 Screengrab via Nichoas Wilson For more advance test, like monitoring a CPU under lode, you can employ a temperature monitor tool. A helpful creature for monitoring your personal computer ’ randomness temperature and fan speeds is open Hardware Monitor. cinebench 1 Screengrab via Nichoas Wilson And if you want to see how your personal computer reacts under stress, you can run a multi-core test in a benchmarking instrument, like Cinebench, while monitoring the temperatures and speeds with Open Hardware Monitor .

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Category : Tech

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