CPU Fan Error: Right here’s How To Shortly Repair It

Many issues may cause a CPU fan error, however the widespread perpetrator is mud. Different points will also be the trigger, starting from a free fan connection to a failed fan.

Mud could accumulate in your pc over time and forestall the warmth sink from working appropriately. It will make it tough on your CPU to chill itself down, inflicting a CPU fan error.

Luckily, you possibly can repair this subject by yourself with out calling a technician.

What Is a CPU Fan Error?

A CPU Fan Error happens when your system has a problem with a number of of its followers not spinning appropriately, which may trigger it to overheat and shut down unexpectedly. Your pc could have a defective motherboard, damaged wires, or different inner malfunctions which are stopping air from circulating appropriately inside your gadget. 

You is also experiencing a extra widespread drawback along with your system, which is solely mud buildup. A CPU Fan Error will trigger your pc to show off with out warning and will be very irritating if it happens in the midst of an vital activity or presentation.

To troubleshoot your followers when not spinning, first make sure that nothing prevents the fan blades from turning, corresponding to free wires, cable ties, and even mud.


How the CPU Fan Error Seems

CPU fan errors sometimes seem throughout a startup or boot course of in Home windows. These kind of errors show a message corresponding to:

  • “CPU Fan Error” (Generic)
  • “Error: CPU Fan Has Failed” (ASUS)
  • “CPU fan error, Please verify!” (MSI)
  • “CPU fan pace error detected.” (American Megatrends)
  • “System Fan (90B)” (HP/Compaq)

.cpu fan error

What to Do When CPU Fan Error Seems

If the CPU fan error seems, attempt to flip off the pc as quickly as potential. Unplug all cables hooked up to it in case you see smoke or sparks coming from the machine. When you can shut down the system rapidly sufficient, your knowledge will nonetheless be intact, and it ought to enable you time to restore or exchange your cooling gadget.

How you can Repair a CPU Fan Error

CPU fan errors will be resolved in a number of methods. Step one is to ensure that your pc is clear and freed from mud buildup. Additionally, verify your energy provide connections as a result of the fan won’t work with out {an electrical} present passing via it. 

When you’re experiencing a CPU fan error, then it may be price taking aside some crucial elements of your gadget and cleansing them off to take away extra particles.

In case your fan will not be getting energy, the issue might be a blown fuse, insufficient energy provide, or incorrect wiring. The most effective factor is you can verify this stuff by your self if you know the way to take aside and reassemble your pc.

Repair 1: Clear Your PC / Laptop computer


An excessive amount of mud, cat hair, and even human hair (don’t ask) may cause a CPU fan to malfunction. To scrub your fan, you should use compressed air. 

As a primary step, merely blow the air via the fan holes in your pc or laptop computer. When you see plenty of dust popping out, rotate your pc the opposite method, and repeat the method. 

All the time do that after turning the pc off and disconnecting it from the electrical energy.  

It is very important begin with the air flow holes. After nothing extra comes out, you also needs to blow some compressed air via different openings. 

For a laptop computer, this consists of the keyboard. Necessary locations to maintain clear are USB entrances, HDMI and Community entrances, and thoroughly, the electrical energy enter.

Repair 2: Deep Clear Your PC / Laptop computer


After a floor clear as seen in repair 1, you possibly can restart your pc to verify the repair labored. More often than not, this would be the case. Within the uncommon situations it’s not, you’ll need to open the case to do a deep clear. 

When you wouldn’t have the technical expertise, it could be higher to deliver your gear to knowledgeable. They know what they’re doing and may also assessment different {hardware} points for you on the similar time.

If you wish to do it your self, be very cautious, and put together:

Clear Desk or Desk

This implies no mud, no meals, and undoubtedly no drinks. Attempt to have the workspace as empty as potential to keep away from shedding small gadgets.

A Bowl or Plate

The screws you’re working with are tiny and it’s best apply to position them in a cup or a bowl. It will guarantee yow will discover them whenever you want them, and can cease them from rolling off the desk.

Good Mild

Having an excellent mild is vital so you possibly can see what you’re doing.

No Animals Round

Cats like to play with tiny little screws and smash them off the desk. Ask me how I do know… They can even shed hair, when what you need is a clear setting. 

Crucial to at all times use an antistatic gadget. If you’re static and contact the pc, it will probably erase all of your knowledge. 

As soon as you’re prepared, use the proper dimension screwdriver to detach the duvet of your laptop computer or PC.

Rigorously carry it off and find the CPU Fan. Utilizing the identical compressed air, take away all mud and dust from the fan blades. Attempt to not have any fall within the pc case. If it does, gently blow it away with extra puffs of air. 

Do the identical with the fan consumption and exhaust. Watch out to not contact something inside the pc case because the oil in your pores and skin may cause chips to interrupt.  

When you visually affirm the fan is clear, place the duvet in your pc and shut it. It is a step that can’t wait, because the longer the inside sits within the open, the extra mud and dust will gather inside. 

Reconnect all of the cables and switch your pc again and your fan ought to run easily once more. 

Repair 3: Transfer Your PC or Laptop computer

If you’re certain your CPU fan is clear, and but you retain getting the CPU Fan error, there’s a easy repair. You will have to maneuver your pc to a distinct location.

Your Present Location Can Be Too Heat

A great place on your pc is someplace the place there may be not plenty of exterior warmth. It will be important that the new air can transfer away from the pc. When you have your pc in a cupboard, it must be ventilated. 

Whereas working and looking out exterior is gorgeous, the new solar may cause a CPU fan to work additional time as nicely. Guarantee that your pc sits within the shadow, and check out to not work in direct daylight along with your laptop computer. 

Your Present Location Collects Too A lot Mud

In case your fan retains getting soiled and in want of a cleansing, you could need to think about shifting your pc as nicely. Putting your gear in a well-ventilated cupboard will shield it from mud and animal hair.

If this doesn’t repair the issue, a number of issues might be inflicting it:

  • Damaged wires or defective motherboards may cause your pc’s followers to cease spinning. You will want to take it to knowledgeable for repairs if that is so.
  • A software program subject could also be inflicting an error as nicely. This sort of drawback will be mounted simply by updating your pc’s software program.

How you can Repair CPU Fan Not Detected Errors on Boot

This might be as a consequence of your motherboard, PSU, or fan. Keep in mind that your BIOS is there to assist your pc’s cooling wants.  When you don’t correctly alter the settings inside BIOS and use the proper connectors in your motherboard, you’re failing to chill your PC correctly and might be inflicting errors whenever you boot.

Try the steps beneath to find precisely the place the issue is. 

  • Confirm the CPU fan is linked correctly.
  • Open your pc case and look at the fan whereas the pc is turned on.
  • Be sure that the fan is popping and operates because it ought to.
  • Confirm that the CPU fan is plugged into the proper header in your motherboard.  It’s typically near the CPU situated on the motherboard labeled CPU_FAN1. If you don’t use the proper connector, your CPU fan won’t be managed by the BIOS and won’t perform correctly.
  • If it nonetheless doesn’t work, strive utilizing the fan on one other pc. If the fan begins to spin, it might point out you’ve gotten a defective connector in your motherboard.

There are a few different methods to check your fan. A technique is utilizing a multimeter to check the voltage of each purple and black terminals from the PSU connector.

Set your multimeter to check dc volts whereas holding the black and purple check leads on the top of the motherboards + and – pins of CPU_FAN1 connector.

You must get round 12 volts in your multimeter. Whether it is decrease or not registering, the motherboard connector has failed. You will want a brand new motherboard for the BIOS to regulate the CPU fan.

The opposite method is to make use of a 9-volt battery and take two wires touching them to the purple + and the black of the battery to the purple and black wires on the followers connector. If the fan begins to spin, this may confirm that the fan is working correctly and the issue lies with the motherboard.

How you can Repair a CPU Fan Velocity Error

The fan should flip on the acceptable RPM (revolutions per minute) to correctly cool your CPU. Your BIOS will assist you to change this issue by setting alarms if the fan turns too slowly, sometimes at 200 RPM or much less. In case your BIOS is providing you with errors it could be indicative of its RPMs.  You might have the aptitude of reducing the RPMs inside BIOS, merely observe the steps beneath:

  • Shut down your PC
  • Press F1, F10, or the Delete instantly relying in your chipset and enter BIOS.
  • Enter Superior Settings
  • Search for CPU fan RPM alerts
  • The default worth is 600 RPMs. Decrease this to 200 RPMs and SAVE modifications.
  • Exit the BIOS and restart the pc
  • Working inside BIOS, you possibly can reset to default by eradicating all cables and the CMOS battery. Then press and maintain the ability button for no less than 30 seconds.

You must have mitigated the low restrict alarm subject after reducing the RPM settings to 200 – 400 RPM and rebooting your system. If the alarm proceeds, it’s an excellent indicator that you’ve a {hardware} subject and want to exchange the fan to stop injury.

What Causes a 511-cpu Fan Not Detected Error

The 511-CPU error is primarily a product of {hardware} points ensuing from the precise fan. There are some things to verify for earlier than you think about tossing out your present fan, although.

Fixing CPU Fans
  • Unfastened Connections – Be sure that all connectors are securely linked to the motherboard.
  • Mud – When you haven’t cleaned your PC shortly, it could be the perpetrator. Unplug every little thing, go inside and use compressed air and go to work.
  • Injury – Examine the followers, heatsinks, wires, and so on., as these damages might forestall your fan from being detected. Search for indicators of injury from falls or wires which may have gotten close to shifting elements.
  • BIOS – Enter the BIOS and alter all settings to default.

When you discover that you’ve exhausted the entire beforehand talked about steps, it’s time to buy a brand new fan suitable along with your CPU.

How you can Mitigate Asus and Megatrends CPU Fan Errors

Typically, whenever you see the error message “CPU fan error” in POST, it means the system doesn’t detect the FAN. To mitigate this, observe the directions beneath offered by ASUS to get rid of CPU fan errors.  ASUS recommends the next steps beneath to resolve the difficulty:

  • Make sure the CPU fan is put in appropriately and twist screws tightly.
  • Be sure that the CPU fan cable is put in on the CPU_FAN connector.   
  • When you set up a decrease RPM fan, the system could not detect it, and it’s essential change the “CPU Fan Velocity Low Restrict” to 200 RPM in BIOS.
  • Save the modifications after which exit BIOS.
  • If points proceed to come up, replace your BIOS to the newest model.

Disable CPU Fan Velocity Monitoring on Your Computer

If the CPU fan error seems and the fan is working, you possibly can disable the alarm. Be extraordinarily cautious in performing this step; this removes safeguards to guard your {hardware}. To disable, observe these instructions:

  • Boot into your BIOS.
  • Go to Superior settings.
  • Proceed to the “Monitor” part.
  • Change the CPU Fan Velocity to Ignore after which affirm your modifications.Cip fan speed ignore
  • Exit the BIOS and reboot.

Why Is My Laptop’s Fan So Loud?

When you discover that your fan is way louder than traditional, this might be a problem of decreased airflow. The primary answer is to make sure that you’ve gotten correct airflow by checking all of the vents and the followers. When you see soiled/dusty vents or followers, more than likely, cleansing these with compressed air and 90% or larger isopropyl alcohol can repair this subject reasonably rapidly.

When you have cleaned the pc/laptop computer or the pc is new, and you’ve got a loud CPU fan, it’s time to have a look at the BIOS. The BIOS finally controls your fan. Resetting your BIOS to default will clear any misconfigurations and provide you with a greater start line to troubleshoot this subject.

  • Shut down your PC
  • Press F1, F10, or the Delete instantly relying in your chipset and enter BIOS.
  • Select reset to default and SAVE and EXIT.Resore defaults
  • When you really feel uncomfortable working inside BIOS, you possibly can reset to default by eradicating all cables and the CMOS battery. Then press and maintain the ability button for no less than 30 seconds.

By following these steps, your fan must be working on the default values and making minimal to no noise.

What Causes a Fan to Make a Rattling Sound

When you have a CPU fan making a rattling sound, it’s time to shut down the pc and have a look inside. In some situations, a wire may need labored free or are available in contact with one of many fan blades. Different instances it might be a chunk of plastic or cable tie. Mostly, it’s merely simply mud buildup.

Odds are, if it’s not one of the above, it may be time to exchange it. The rattling sound you hear is more than likely the bearing contained in the fan rubbing and inflicting injury or already partly destroyed. If the sound simply began and it’s lined in mud, attempt to clear it with compressed air. If the rattle noise goes away, you may need purchased a while earlier than it stops working.

What to Do if You Suppose Your CPU Fan is Failing

When you suppose your CPU fan is failing, strive the next steps:

  • Test to make sure that the pc is satisfactorily ventilated and there are not any obstructions to the air consumption.
  • Unplug your pc from each energy sources (AC adapter and battery).
  • Take away all RAM modules and any PCI playing cards, corresponding to a wi-fi card or TV tuner card.
  • Activate the pc and see in case you nonetheless obtain an error message.
  • If the error now not seems, flip off your pc and plug it again into each energy sources.
  • Reinsert every of the PCI playing cards one after the other till you discover which gadget is inflicting your fan to fail or till you obtain an error message once more (on this case, exchange that specific card).

How you can Clear a CPU Fan

Cleaning the fan with vaccum

Cleansing a CPU fan doesn’t need to be a frightening activity in any respect. It takes only some instruments and may maintain your pc operating for a very long time.

  • You solely want compressed air, isopropyl alcohol 90% or larger, q-tips, possibly a screwdriver in case you don’t have a elaborate thumbscrew on your facet panel in your case, and a little bit persistence.
  • Step one includes utilizing compressed air to wash out the case and all peripherals. Take additional care to wash all of the followers, heatsinks, and different elements, eradicating as a lot mud as potential. I normally spray every little thing to the underside of the case after which use a slim vacuum attachment to take away the mud from the underside of the case with out touching any elements.
  • Subsequent, use q-tips with alcohol to get between the fan blades of the CPU fan and the GPU fan. Please don’t soak the q-tip; merely dampen it and squeeze off any extra liquid.
  • Confirm you’re utilizing 90% or increased alcohol to cut back moisture as the upper alcohol degree evaporates a lot quicker as a result of lesser water content material.
  • After getting cleaned all of the elements, together with your exhaust followers, shut your case and switch in your newly cleaned machine.

The CPU fan is integral to any pc. It retains the processor cool so it will probably work correctly, with out overheating points that might trigger errors in efficiency or extreme noise from shifting elements.

 If the CPU fan error happens, restart your gadget and see if it really works. If not, observe correct procedures to repair this subject earlier than inflicting everlasting injury to the motherboard or different elements of the pc. It could be price contacting an area technician.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *