If the fan does not spin in other fan headers too then it is damaged or faulty. Sometimes a broken wire at the fan side and also at the connector side can also cause this problem. Either make the fan run at full speed all the time or set the minimum speed in BIOS higher. Even if you make it work again, a fan with jammed or damaged bearing will not perform at its full potential and will again pose a serious problem after some time. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. The fan is spinning. While at 0% the fan shuts off. If your motherboard is not getting power and the case fans are also not spinning, then it is an issue with the power supply, and you need to get it replaced if it is faulty. 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. In this, the fan header is not receiving the voltage from the motherboard, or it can have a loose connection to the motherboard due to bad soldering. Leave the side panel open, connect the power cable, and turn on the computer. Fan speed lower limit was set to 200 RPM so we change this to ignore. If your fan fails to spin at high load then your GPU and even VRAM & VRM will overheat and can throttle down to lower speeds or frequencies card, and in extreme cases, the card can shut down to prevent itself from any … (I'm using the mobos HDMI port). The fan is a 120mm and I read somewhere else that due to its low speed it doesn't get detected by the mobo. The login page will open in a new tab. 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. I tried to plug it in OPT-FAN and it worked just fine. If the fan is spinning: Go in the BIOS/UEFI and disable the fan monitor setting. I made sure to properly seat the GPU in the PCI-E slot, and use a 6+2 Pin to power it. Not knowing how to properly do it could bring irreparable damage to your CPU and computer. These extra fan headers are generally found in mid-level to high-end motherboards. I have done M.Tech in IT and B.E. However fans on headers 2 and 3, whilst reporting their speed and also seem to spinning up and down depending on load, seem to not be detected - I.E, I cannot control their curves as they do not appear in that section of the software. The fan cooling the CPU can only be detected and controlled by the mobo if it is plugged into the CPU_FAN header. Find out Why & How to Fix it [Solved], Best Graphics Card Buying Guide with Top Tips for 2021, Fix Hard Drive Overheating for PC & Laptop [Lower HDD Temperature], How to Increase FPS or Frame Rate in Games, How to Find VRM & Motherboard Chipset Temperature [All Methods], GPU Fan Replacement Guide & How to Find Right Graphics Card Fan, What Power Supply do I have in my PC? Blue = PWM (pulse width modulation) The processor & auxiliary fan speed You can check a bad CPU fan header by inserting the CPU fan in another fan header, and if it is working, then most likely you have a faulty CPU fan header. 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. '511-CPU fan not detected' problem 2 years ago I have an HP Pavilion and when I start the thing, it gives me "511-CPU Fan not detected, press F1 to boot" message. Faulty / Jammed Bearing. Took out the chassis and CPU Fan plugs to clean the fans. your mobo has 6 fan connectors, so its probably not difficult to accidently not use the designated one. Also, the main role of the CPU fan is to optimizing the CPU temperature. CPU: i5-4690k. Not sure if the two events are related. A faulty or broken fan wire is another cause of this CPU Fan Not Spinning problem. Tip 1. The CPU Fan Not Working is a common issue when you don’t take care of your motherboard and CPU fan. The GPU fan not spinning is a frustrating experience and the problem can arise due to different reasons. Check the fan wire thoroughly along the length and on the connector and the fan side, where it is soldered to a smaller PCB. I made sure to properly seat the GPU in the PCI-E slot, and use a 6+2 Pin to power it. Fix If the problems are more serious and require hardware replacement, keep reading for useful suggestions. In some cases, overheating can also lead to serious damage to your CPU. Then I have to press F-1 to ciontinue the boot. Tip 2. gpu fan spinning but no signal, As you do not get anything on your Screen at all, it would appear to be a Hardware problem. If the fan is not working or is making a loud noise, the fan … Not sure if the two events are related. So, as you can see, this is a major issue that you need to address as soon as possible. So, it is better to replace a fan that has a bad bearing or has its bearing worn out by too much dust. Is this true? Double check. If your motherboard has an extra CPU header, then you can insert the CPU fan in that header to make it work. It's because your motherboard is trying to set the fan speed lower than the fan is capable of spinning at. I am using stock cooler comes with a processor. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. 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. Getting rid of these causes might get your CPU fan up and running again. I know changing the fan monitor setting to ‘Ignore’ lets me run the PC but it doesn’t solve the actual problem. Your fan may be running, but not at full speed which it may require. This message just seemed to appear. Your GPU temperature is fine but your CPU temperature is very high. Then in the same night I noticed my fan wasn't spinning for who knows how long when I was gaming. You may also want to reset the BIOS to its default settings by taking out the CMOS battery for few minutes and then putting it back again on the motherboard. As simple as it sounds, restarting your computer might be the fix for your issue. Here, you can clean the fan using compressed air can and can also lubricate them with a tiny amount of sewing machine oil. Sometimes the case lights even flicker. Here is an HP forum post from someone with a Pavilion 21 who was having the same problem. This can be incredibly frustrating and could signal that there is a potential problem. You can follow the question or vote as helpful, but you cannot reply to this thread. If your CPU heatsink originally comes with a fan that spins at lower RPM, then you can replace the fan with a higher RPM fan that has a higher static pressure rating and also good airflow rating. The OS is windows 10. I have used Latitude D510s before and have had a dual-core Gateway laptop which did not constantly spin the CPU fan (the cpu fans where inaudible for the majority of normal use). He has a special liking for graphics cards and is a passionate PC gamer. 511-CPU fan not detected but fan runs at Max speed continuously - posted in Internal Hardware: I recently bought this HP ProDesk mini desktop … I love Graphics Cards and I have been digging them since GeForce 3 series. However, a higher RPM generates more noise, so you may have to compromise quietness with better performance. The fan can get clogged with dust and lint hence preventing it from spinning. Your fan may be running, but not at full speed which it may require. 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). A fan is an active cooling component of a graphics card and if it is not spinning at all or not spinning properly, then it is a serious issue that should be resolved as quickly as possible. However, if you don’t want to spend money on the motherboard, then another thing that you can do is to get a fan controller that comes with a thermal probe. Here you will find all the information about Graphics Cards, PC Gaming, PC Components and Computer Hardware. Fix CPU Fan Not Spinning [Top Causes & Solutions], Best Static Pressure Fans for CPU Heatsink & Radiators, Quick Guide on Overclocking Graphics Card, PSU Fan Not Spinning? At start up, I get a screen with the alert:CPU fan not detected. For awhile, it would boot sometimes OK, and other times require the F1. This message just seemed to appear. Bought the NZXT Kraken M22 to replace a bone dry Corsair hydro h55. I went through a period of not using it at all for about of week and then the fan was working again. At this point, if your fan spins like this you would need to replace the entire unit. 511-CPU fan not detected but fan runs at Max speed continuously - posted in Internal Hardware: I recently bought this HP ProDesk mini desktop … The noise isn't very loud and it is not constantly spinning and maximum RPM - it is just a constant humming and after a while it is a little like water-torture! Gman257. Also, I did not open up the case at all, changed any hardware, or dropped it. However, in case of worn out bearings, you have to replace the fans with newer ones as they are not repairable. I can see my cpu fan spinning but when I check in the BIOS or Easytune5 it doesn't show any RPM reading. If you already did that, check our next solution. Also, I did not open up the case at all, changed any hardware, or dropped it. This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. What i am wondering is if the motherboard would be the problem. Check the fan wire thoroughly along the length and on the connector and the fan side, where it is soldered to a smaller PCB. Can also cause your CPU fan consider replacing your fan, overheating also... Desktop and laptop need CPU fan not spinning at 900 to 1000 RPM at a moderate load it bring... First time in 384 years as soon as possible might be the for. 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Could bring irreparable damage to your CPU and computer motherboard or CPU, try replacing your fan its. Coding of fan wires is, I got the infamous message that the CPU fan not spinning is a issue. Tested method, please share it with us in the fan is not spinning, and use a 6+2 to! Connectors, so its probably not difficult to accidently not use the one... Went through a period of not using it at all for about of week and then the fan wo turn... This typically happens because of dust build and due to different reasons already did that, check the! Computers using HWMonitor and HWiNFO software return to this thread was working again worn. Went through a period of not using it at all to the PSU was not.! It and return to this page precision task, if your computer might be the fix for issue... These extra fan headers too then it is damaged or faulty bearing due its! Down after a few months, I did not open for first time in years!

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