How To Change CPU Fan Speed Without BIOS? | 2021 Updated!

how to change cpu fan speed without bios

How to Change CPU Fan Speed Without Bios

A CPU fan is one of the most critical components in ensuring that your machine runs smoothly. The ability to monitor the CPU fan can aid in keeping your machine cool and quiet.

To cool down your CPU, increase fan speed if your machine is overheating. However, overheating isn’t the only reason you’ll need fan speed regulation. If your fans are running at full speed for no apparent reason, you might need to slow them down using one of the methods in this post.

Most people tend to adjust the fan speed of their CPU in BIOS. It is the most commonly recommended form, but it does not always perform.

how to change cpu fan speed without bios

These methods could work for you if you’re having trouble slowing down or rising CPU fan speed.

The following steps will show you how to change CPU fan speed without BIOS.

  1. External Fan Controller.
  2. Fan Control Software.

1. External Fan Controller

Have you tried anything and still don’t know how to change CPU fan speed without BIOS?

You may want to consider using an external fan controller. You can track the temperature of your PC and manually change the speed of your fans with a fan controller.

You will help your machine achieve the perfect balance of quiet and cool by using one of the best pc fan controllers.

Before you go out and buy a PC fan controller, think about the aesthetics, pin support, buttons, and channels.

Thermal paste and cooling systems are good for safety, but you can also use an external fan controller to maximize your fans’ efficiency.

Thermaltake Commander F6

The Thermaltake Commander F6 isn’t the most attractive external fan controller, but it’s very common. It has a three-pin socket and can control up to six fans at once. The unit includes an RGB LCD that displays temperature and fan speed, as well as six control knobs, a short circuit alarm, and six temperature sensors.

See the image below

Thermaltake Commander F6

2. Fan Control Software

Various fan control software is available, including Corsair Connection, NoteBook FanControl, HW Monitor, Argus Monitor, SpeedFan, and others. All of them are useful, but we’ll show you how to use SpeedFan to regulate fan speed in this post.

When the CPU gets too hot, a PC fan controller program can silently increase the fan speed and then reduce it when the device returns to normal.

You can monitor fan speeds with a number of different programs. Choosing the right one, on the other hand, should be your top priority.

It would be beneficial if you checked to see if the program you choose is compatible with all operating systems, including Windows 10.

If you’re interested in using a PC fan controller program, SpeedFan is a good place to start.

What is SpeedFan?

Speed fan is a free application for Microsoft Windows that tracks CPU part fan speeds and temperatures. It has a manual fan speed control feature, as well as an automatic fan speed control feature that reads the temperature of the components and controls the speed accordingly.

Please bear in mind that

SpeedFan is a common fan control program; its design can seem obsolete to you, but it is free software created by a single person. For beginners, setting up the program can be difficult; therefore, we suggest that you carefully follow the steps below:

#1: Download & install SpeedFan.

Download the SpeedFan installer from this page. Install it after it has been downloaded, and then open it. The program will search all of the buses on your motherboard after you open it.

#2: Configure fan control. 

Do not attempt to adjust the fan speed using the PWM controls as soon as the app is opened because you must first configure it.

  • Click ”Configure” to open up another window
  • Now click on ”Advanced.”
  • After selecting ”Advanced,” select the “Chip” option from the dropdown menu.
  • Look for your PWMs in the menu (if you’re not sure where they are, try clicking on all the chip dropdown items.)
  • Select the PWMs you want to control once you’ve found them.
  • After selecting the PMW, a “Set to” dropdown will appear, from which you must choose “Manual” or “Software-controlled.” (Speedfan will be able to monitor your fans as a result of this.) To save the settings, make sure you click “Remember it.”
  • Return to the main window and search for PWM1, PWM2, PWM3, PWM4, and PWM5. You can now manually type or use toggle buttons to adjust the fan speed by selecting the PWM you configured.

#3: Set-up automatic fan control.

We showed you how to regulate fan speed in #2, but it’s a manual process. You can also set up automatic fan control, so that if your CPU begins to overheat, Speedfan can increase the fan speed and then reduce it when it cools down.

By selecting “Configure” and then “Fan control” and checking advanced fan control, you can set up automatic fan control. It’s a bit complicated, and we think explaining everything here would be too confusing, so we’ve added a Youtube video below. It will assist you in properly setting up everything.

Also Read =>> How to Easily Retrieve Nabi Temporary Password?

Frequently Asked Questions

What causes computer fans to speed up?

Heavy games and video editing software can increase the CPU temperature, causing computer fans to spin at a high RPM for active cooling.

What causes a computer fan to become too loud?

Typically, noisy computer fans are triggered by dirty fans. Since dust can damage fan bearings and cause them to make a lot of noise, it’s best to clean your computer fans with compressed air cans, an electronic vacuum, or a damp cloth. Software hope has a guide on how to clean a computer machine fan.

What is an appropriate CPU fan speed?

When you’re not working on your computer, keep the fan speed between 50 and 70 RPM. However, your CPU will overheat when gaming or doing intensive 3D work or video editing, so if the temperature rises above 60 – 70° Celsius, you can turn on all of the fans.

What causes machine fans to continuously run all the time?

It’s likely that the heat sink or temperature sensor is causing your CPU fans to operate at full speed all of the time. It may also be due to processor problems, but the most common cause of this problem is a defective temperature sensor.

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