Why is my PC case fan not spinning?

There are three main reasons why your CPU fan is not spinning properly: the fan is clogged with dust, wires might get stuck in the fan or the fan does not get enough energy supply to spin.

Do case fans always spin?

So, Do GPU Fans Always Spin? No, GPU fans only begin to spin at specific temperatures. In NVIDIA cards with the default settings, the GPU fans will start spinning once temperatures around it reach between 50 and 55C degrees. … GPU fans will not spin even when you power on the computer.

How do you fix a computer fan that won’t turn on?

Shut down your PC. Press the power button and immediately press F2 to enter into BIOS setup. Press F9 (or the load defaults button shown on the BIOS screen) to reset your BIOS. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check if the fan now works.

How do I force my PC fan to spin?

How to Manually Power on CPU Fans

  1. Start or restart your computer.
  2. Enter the BIOS menu by pressing and holding down the appropriate key while your computer is starting up.
  3. Locate the “Fan Settings” section.
  4. Look for the “Smart Fan” option and select it.
  5. Select “Save Settings and Exit.”

How do I know if my case fan is working?

The fastest way to tell if your computer’s fan has stopped working is to visually inspect it. If it’s a desktop computer, you can usually see the fan rotating on the back of the case. If the fan is not moving, you must replace it immediately, before using your computer further.

How do I enable fans in BIOS?

Press F2 during start to enter BIOS Setup. Select Cooling. Fan settings are shown in the CPU Fan Header pane. Press F10 to exit BIOS Setup.

Should PC fan always be running?

Computer fans constantly run during normal use to cool computer components and prevent overheating. Many computers produce operational temperatures in the hardware-damaging range during normal use and require continuously running fans to not only prevent overheating, but perform optimally.

Is it normal for GPU fans to not spin?

It’s entirely normal for your GPU fans not to spin on startup. Many GPUs will spin the fans for a second while the board does a system check but then shut off the fans until they’re needed.

How do I change the fan curve in BIOS?

How to Adjust Fan Curves with BIOS:

  1. Navigate to the status menu.
  2. Select “Fan Speed Control” option.
  3. Find the fan settings.
  4. Select the fan you’d like to adjust.
  5. Change the fan profile or adjust the fan curve, if available.
  6. Go to the “Exit” menu.
  7. Save changes.
  8. Reboot your computer.

How do I fix my case fan?

How to Fix Case Fan Not Spinning Issue

  1. Restart Your Computer.
  2. Check the Power Sources of Your Fans.
  3. Clean Your Fans by Using Compressed Air.
  4. Clear the Way of Your Fan Blades.
  5. Flash The BIOS.
  6. Replace the Fan.

What happens if your computer fan stops working?

CPUs with dead fans will overheat. Computers usually have built-in safe guards to shut down or slow down the CPU when it gets too hot to prevent it from breaking. However, if the computer’s safeguards fail or don’t kick in fast enough the CPU can get above its maximum operating temperature and literally burn out.

How do you know if your computer fan is bad?

How To Identify Signs of CPU Fan Failure

  1. Noise. It may surprise you, but a computer fan will run quietly.
  2. Overheating.
  3. Error Messages.
  4. Video Card Problem.
  5. Reinstallation.
  6. Dust in the CPU Fan.
  7. CPU Bearing.

How can I tell if my CPU cooler is working?

The only way to accurately determine if your Liquid Cooling Pump is functioning, is by checking the Pump RPM. This will only be possible if the pump cable is connected directly to a fan header on the motherboard.

How many fans should I have in my case?

A gaming PC will need at least three case fans to properly regulate heat and keep the components cool. At the minimum, two case fans are needed for optimal cooling, and ideally three.

How fast should case fans spin?

Most CPU fans run at the speed of 5000 RPM. In that case, the 1000 to 1200 RPM is a bit low if you want your system to be cool at once. Then again it all depends upon the size of the fan. The RPM range may vary for small and large CPU fans.

Where is the CPU fan settings?

BIOS Settings

Press the key to enter the system setup. This key is usually the Delete key or the F12 key in most cases. Click on Settings and go to the Hardware settings. Click on Fan settings to see the current CPU fan speed.

Why is my computer so hot?

Computer overheating is usually caused by multiple factors. Dust, if left to build up over time, can block the fans and cause the CPU or GPU to overheat. Too many applications running at once can cause the fans to go into overdrive, and if this happens too many times, the fans might stop working.

What temp should my CPU be?

The acceptable range is between 150 and 160 degrees Fahrenheit (65 to 70 degrees Celcius) when the PC is running essential apps. This temperature can quickly increase to around 175 degrees Fahrenheit (80 degrees Celsius) when playing games or running intensive software.

How do you clean computer fans?

After disconnecting the fan from the computer, hold the fins of the fan in place using your fingers. Then, either blow the dust away using compressed air, suck up the dust with an electronic vacuum, or wipe away the dust with a damp cloth.

How do I test my GPU fan?

It can also be accomplished manually by installing MSI Afterburner and boosting the … To figure out whether or not your graphics card is under strain, play a game or run a series of stress tests/benchmarks. It can also be accomplished manually by installing MSI Afterburner and boosting the fan speeds.

Should I set my PC fans to Turbo?

In any case yes its fine to use turbo fan speed, it might get a bit load under load however.

How do I test my computer fan speed?

To do this, open your UEFI and head to the Monitor section. From here you can inspect the fan speeds and temperature. For more advanced testing, like monitoring a CPU under load, you can employ a temperature monitoring tool. A helpful tool for monitoring your PC’s temperature and fan speeds is Open Hardware Monitor.

Is PWM or DC better?

Due to the way PWM fans function, they’re generally more efficient than DC fans and use less power. Consider the duty cycles of PWM fans. When a fan is on a 40% duty cycle, it’s only using electrical power 40% of the time. In comparison, the DC fans, if anything, will use a slightly lower voltage.



Hi, I'm Nam Sun-Hi. My first name means: "One with a joyful demeanor." I'm a Korean student and author at FindDiffer.com. I spend all my time either writing or studying. I love learning new things, and I think that's why I enjoy writing so much - it's a way of learning more about the world around me.