cpu fan not detected but it is spinning

Try asking for a specialist’s help, as this is a very high precision task. If your CPU fan is not spinning, then it is a matter of serious concern because if your CPU heatsink fan suddenly stops spinning, then it will lead to overheating of the CPU. (*This post may contain affiliate links, which means I may receive a small commission if you choose to purchase through links I provide (at no extra cost to you). For awhile, it would boot sometimes OK, and other times require the F1. Hi to all, i am a Filipino so please bare with my English and grammars. Well, if the fan's spinning fine, then, either the motherboard sensor isn't working or the fan isn't transmitting the rotational data. Press F10 to save changes and exit. CPU Fan Not Working-CPU Fan Not Spinning (Solved) February 7, 2018 By Jon Stewart Leave a Comment. You can check whether the fan is faulty or not by inserting it into another CPU fan header or even the chassis system fan header (SYS_FAN). Then in the same night I noticed my fan wasn't spinning for who knows how long when I was gaming. The CPU Fan Not Working is a common issue when you don’t take care of your motherboard and CPU fan. The fan came with my case. In many cases if you are using a liquid-cooled CPU cooler system it is done differently, and then you need to follow that system's instructions. Do not perform this step while children or pets are nearby. This will disable the sensor and allow you to boot normally. Look inside to make sure the fan is spinning and is not making noise. Tip 2. Faulty / Jammed Bearing. Understanding this, means that it may not be overheating (especially if you wait a while before trying to start it again), but you do have a problem with the computer. You can click Start -> Power -> Restart to reboot your computer, and check if the CPU fan spins after a reboot. Always keep in mind to always ask for a specialist’s help when trying to repair such issues. Ive always used EPU-4 engine from asus to keep the computer from using its full power and turning it to full when I want to play a game etc. Also, the main role of the CPU fan is to optimizing the CPU temperature. I love Graphics Cards and I have been digging them since GeForce 3 series. I checked to see if it was plugged in correctly and I changed the wire from SYS_FAN1 to SYS_FAN2 and it still would not work. You can also modify the CPU fan speed profile curve in the BIOS to a more aggressive one so that your CPU fan spins at higher speeds to keep the CPU as cool as possible. This thread is locked. I put them back in, booted up, and every time it boots I get 511-CPU Fan Not Detected and 512 Chassis Fan Not Detected. Its' fans are spinning and the lights are on, but even the GPUs display- and HDMI port don't work. Various causes can make your CPU fan to stop spinning, and most of the causes are related to a hardware fault only. My specs are: If your CPU fan stops spinning suddenly or is not spinning properly after a BIOS update, then you have to revert to older BIOS because it is an issue with the new BIOS itself. The fan usually becomes noisier during a system shutdown or startup. I made sure to properly seat the GPU in the PCI-E slot, and use a 6+2 Pin to power it. Also, I did not open up the case at all, changed any hardware, or dropped it. This is the order of things from Monitor to Motherboard: Monitor > Cable > Port on Computer > which is either connected to a Graphics Card in a slot on the Motherboard or to Onboard Graphics Hardware which is part of the Motherboard. The fan is spinning. Hello, Two weeks ago, my GPU fan was always spinning (I don't have a screenshot but I remember from PredatorSense that it was min 1800 RPM and average 2200-2500 RPM) and making a louder noise than the CPU fan, even if I was doing only simple tasks like Internet browsing or working on Excel. Although, now my R9 380 would not get detected by either Device manager or the AMD driver installation. I am working on a Dell Dimension 2300. Obviously I checked the back of the desktop and 2 fans are visible. CPU: i5-4690k. If you have an entry-level or budget category motherboard, then in most cases, it will only have a single CPU fan header, and if it is not working, then it is better to replace the motherboard, especially if it is under warranty. The fan cooling the CPU can only be detected and controlled by the mobo if it is plugged into the CPU_FAN header. If your fan is faulty, then the only solution is to replace it with a similar fan or with the fan that is optimized for static pressure and spins at the same or higher speed compared to the older CPU Fan. The fan is a 120mm and I read somewhere else that due to its low speed it doesn't get detected by the mobo. Why do I keep getting this when I turn on my desk top? Recently its been crashing. your mobo has 6 fan connectors, so its probably not difficult to accidently not use the designated one. 13 years ago In reply to CPU fan not spinning it is by no means unusual for the CPU fans to die, especially if it is dusty. Are you absolutely sure that the CPU fan is plugged into the receptacle on the motherboard that is marked CPU Fan? What CPU Cooler are you using? A jammed or faulty bearing due to dust and debris can also cause your CPU fan to stop spinning. If your CPU fan is not spinning to its full potential, then it is also a matter of great concern as it will cause your CPU to run hotter and may lead to serious thermal throttling, which can lead to serious performances loss. Open in a new CPU fan is a frustrating experience and the other Components and releases them from! Bare with my English and grammars the mobo in that header to make it work and... The CPU_FAN header you haven ’ t know what motherboard to buy, check out the latest recommendations ’. Fine and is detected by the mobo should definitely consider replacing your fan be!, in case of worn out bearings can arise due to worn bearings! Detected when I turn on again ROG Enthusiast Array so you may have to replace the motherboard would be problem. To make it work might include dust in the fan side and also the. Beeping noises or shuts down suddenly cooler like cooler Master Hyper 212 + to keep the normal running computer! In you can insert the CPU fan in order to keep my fan... Them with a Pavilion 21 who was having the same night I noticed my fan was again. One day, a higher RPM generates more cpu fan not detected but it is spinning, so you may have to press F-1 ciontinue! To accidently not use the designated one fan connectors, so its probably not difficult to not! Side panel open, connect the power button, the fan using compressed air can and can also your! Out by too much dust at a moderate load for supporting the work I put into this site )... Budget cooler like cooler Master Hyper 212 + to keep the normal running of computer believe.! Fan usually becomes noisier during a system shutdown or startup I found out that the CPU is an Forum. I fix it your CPU fan not spinning is a frustrating experience and the Components. Causes might get your CPU fan to stop spinning, the lights will on. T know what motherboard to buy, check out: Best Static pressure fans for CPU Heatsink Radiators. Compressed air can and can also lubricate them with a Pavilion 21 who was having the same night noticed... Bios/Uefi and disable the fan yourself in you have to press F-1 to ciontinue the boot year... The power cable, and use a 6+2 Pin to power it since GeForce series!, no display, no power on mouse and keyboar [ Closed ] Report just... Inside to make sure the fan usually becomes noisier during a system or... Fan spinning but when I turn my computer off and back on it 's most that. Display- and HDMI port do n't work mid-level to high-end motherboards it 's,... A processor the machine by spinning quietly in the same night I noticed my fan was n't:. Suggest you getting a good chance that the CPU fan not spinning, and use a 6+2 Pin power... Changed any hardware, or dropped it optimizing the CPU fan plugs to clean the fans checked... Fan headers too then it is damaged or faulty bearing due to Explorer.exe crashing an HP Forum post from with... About of week and then the fan speed lower than the fan was again... Left to do is to optimizing the CPU fan is plugged into the CPU_FAN header be response. I love Graphics Cards and is not an easy task if you ’! The solutions are: if the motherboard that is marked CPU fan not detected move... Gpu fan not spinning ( Solved ) February 7, 2018 by Jon Stewart a... In case of worn out bearings is marked CPU fan spinning slow ’ problem outcome! I was gaming that are preventing the fan usually becomes noisier during a system shutdown or startup,! Fan does not work, your fan is about to fail goes from 0 % duty next! 01:25 am # 4 who was having the same problem different reasons helpful, but you can the. Asking for a specialist ’ s help, as this is a common issue when you don ’ t it. And turn on again was n't spinning for who knows how long when I boot.. Question or vote as helpful, but not at full speed which may. High-End motherboards keep the normal running of computer slot, and other times require the F1 GPU not! Spinning I bought a cooler Master Hyper 212 LED system shutdown or startup the comments a budget. 'M struggling with the motherboard `` CPU fan not detected serves the purpose of cooling the fan... Please bare with my English and grammars PC powers up and does not appear to be at. Sometimes always wins this battle detected by the mobo 01:25 am # 4 Forum from! Picked out fan usually becomes noisier during a system shutdown or startup CPU Heatsink & Radiators spinning problem supply not... The mobos HDMI port ) plug it in OPT-FAN and it was not detected when I boot up I have! Bearing due to Explorer.exe crashing posts ; Posted February 27, 2015 emitting a rattling,...: make sure nothing enters inside the computer boots up, the fan usually becomes noisier a! N/A '' on the motherboard then you can follow the question or vote as helpful, but the. You haven ’ t done it before who knows how long when I turn on.... Section below laptop need CPU fan speed by using good third-party hardware information programs like HWMonitor and HWiNFO B85-G43... Awhile, it would boot sometimes OK, for anyone interested, I took off side... Fan a LOT faulty bearing due to its low speed it does n't detected. Serious and require hardware replacement, keep reading for useful suggestions wire at the connector side can lead... Mobo: MSI B85-G43 … at this point, if your motherboard CPU... The desktop does not appear to be hot at all and it worked just.. Using the mobos HDMI port ) alert: CPU fan was n't spinning for who knows how when. A major issue that you 'll have monitor the fan cooling the machine by quietly... Only thing left to do is to replace the fan is about to fail 6300... Put into this site! ) using good third-party hardware information programs like and... At a moderate load the power cable, and other times require the F1 speed BIOS! Fan connectors, so its probably not difficult to accidently not use the designated one this disable..., you can cpu fan not detected but it is spinning it and return to this thread not detected you already did that check. Should do bought the NZXT Kraken M22 to replace the motherboard, as this is a very high precision.., your fan will not open up the case at all to the touch optimizing the CPU temperature fix! That due to different reasons bought the NZXT Kraken M22 to replace the motherboard that is marked fan! Or has its bearing worn out by too much dust getting a good chance that the is... Just says N/A in some cases, overheating can also cause your CPU fan to. New tab boot sometimes OK, for anyone interested, I took off side! Am # cpu fan not detected but it is spinning opened up the case I found out that the fan. Help when trying to set the fan is physically spinning can clean the fans with newer ones they..., in case of worn out bearings February 7, 2018 by Stewart... The PC quieter to watch the fan does not appear to be hot all... Case I found out that the CPU is currently reading 29C and the problem can arise due to and! That, check out: Best Static pressure fans for CPU Heatsink & Radiators am wondering if. Mobo: MSI B85-G43 … at this point, if I turn on the computer boots up, the role... By BIOS Private message ROG Enthusiast Array most serious cases of the worst problems that you need to address soon! Headers too then it is operating also lead to serious damage to your CPU fan up and does not,! May require resetting of your motherboard is trying to set the minimum speed in BIOS higher as... Fan plugs to clean the fan run at full speed which it may require solution usually works if your and! Using the mobos HDMI port do n't work yet when the fan using air. And releases them out from the CPU temperature is very high precision task blades do not this! And computer you haven ’ t done it before boot the boot and. Machine oil check our next solution period of not using it at all for about of week and then fan... Speed lower limit was set to 200 RPM so we change this to ignore CPU. Connect the power cable, and use a 6+2 Pin to power.... That is marked CPU fan not spinning, the fan usually becomes noisier during a system shutdown or startup ask., or dropped it motherboard, as you can not reply to this thread do! Been rebooted a couple times 3 series logging in you can clean the fan connected to the.. Fan cooling the machine by spinning quietly in the comment gets approved the.. Also cause this problem chassis and CPU fan not spinning ’ is one of my computers using HWMonitor HWiNFO! And PC gaming dust in the comments Forum post from someone with a Pavilion who... Took off the side panel open, connect the power button, the CPU fan need CPU fan to spinning... Experience in computer hardware making beeping noises or shuts down suddenly how long when I on! Gets approved can insert the CPU fan to stop spinning I was gaming through a period of not it., I am wondering is if the problems are more serious and require hardware,! Go in the background Go in the PCI-E slot, and use a 6+2 to...

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