*sigh*, 03/15/2019 by When I switched, only the CPU fan started spinning in a very high speed and kept spinning. The CPU fan can easily be stopped with a finger or debris since it does not have much torque. Thanks. CPU and Case fans can become slow over time because of dust build and due to worn out bearings. Here the fan speed is around 56% to 60% of the maximum speed of my CPU heatsink fan, which is 1600 RPM. In some cases, overheating can also lead to serious damage to your CPU. Does anybody know what is wrong and how to fix it? If you installed it yourself, was the CPU socket cap still on when you got the motherboard and before you installed the CPU and if not did you check that there were no bent pins in the motherboard's CPU socket before inserting the CPU? Have you noticed any excessive noise from the HD? Of course, for laptops, the PSU is usually integrated onto the motherboard. Eben Upton returns to the Pi Cast on Nov. 3, 2020! So i just bought a new pc and i build it myself. SMART enabled drives will show this up but for drives with out SMART it's a complete guess, a rattle or loud whine from the drive is the only give away. Laptop users will need to test on a different computer. So, through this process, your BIOS will display the right results and the fan will also work fine. Make sure that the PSU you are getting has similar supply ports with your replacement PSU otherwise they will not be compatible. In the initial stage, you won’t feel anything, but then your computer will boot up automatically and then it will stop working all of a sudden. Jessica Parnelli Fawkes, Is there an OS on the drive? There are several fans in a computer, including a PSU (power supply unit) fan, CPU (central processing unit) fan, case/chasis fan, and the GPU (graphics processing unit) fan. Your BIOS controls your fan. I had my PSU tested, and sure enough it was bad even though it was only 3 months old. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. Microsoft ‘Aquila’ SCOM To Launch As Cloud Services In Private Beta As It Takes On Dell Project Apex? Required fields are marked *. Immediately press F12 to enter into the system boot options. Below are some of the causes and solutions for this ‘CPU Fan Spinning Slow’ problem. 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. The CPU fan even spins. However, you will have to charge him for that. You can use the PSU, case/chassis or GPU fan header. you can check which irq error it shows in blue screen and put the status in reply, chances are due to bad capacitor change them with 10 v 33000 micro F, instead of replacing with 6.3 V. If you're asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem. @jessica_fawkes. Hope it is not the problem of motherboard. 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. Hard drive plugged in? Then 32-bit Diagnostics will be initiated, select custom test. Bad PSU? ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. Here I am going to show you the easiest ways to resolve the problem. Gently remove the silver “coin” battery from the motherboard. He has a special liking for graphics cards and is a passionate PC gamer. Because it could not be detecting. The case was very dusty. Try using a different fan header (terminals on your motherboard that connect to your fan(s)) to test your fan. Below are the various causes and solutions for the ‘CPU Fan not Spinning’ problem. This article will tackle this issue, show you how to troubleshoot and give you common solutions to this problem. The RTC battery maintains the BIOS setting when the power is disconnected or turned off from the desktop. Users have been having a common problem with their CPU fan not spinning; the computer then overheats and throws a BSOD then shuts down due to thermal monitoring. I didn't hear anything abnormal from it. Lights on MB still show as normal, PSU fan working, HDD, etc. You have done all the obvious things by swapping memory and trying different bits. issue occurs, your computer shuts down abruptly. Remember that it is normal behavior for the CPU fan to stop spinning when the CPU temperatures are low or you are not running any power-hungry applications. I've had some that lasted 7 years and others 4 so it is always prudent to check the voltage anyway. The PSA+ window is displayed, listing all devices detected in the computer. 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. To reset the BIOS: You can also reset your BIOS by removing all power cables, battery, and removing the CMOS battery and pressing the power button for at least 30 seconds. Since laptops integrate the PSU onto the motherboard, replacing the motherboard will fix the problem. You can use the methods below to tell where the problem is. So, why not resolve it on your own? Computers that generally don't include an integrated display, and are meant to be stationary. So, it is better to replace a fan that has a bad bearing or has its bearing worn out by too much dust. For a better experience, please enable JavaScript in your browser before proceeding. The issue could be your fan, motherboard or power supply unit. Took thermal paste off CPU with appropriate cleaning fluid and repasted CPU and fitted heatsink and fan. Accessibility. February 7, 2018 By Jon Stewart Leave a Comment. It solved my similar issue.

This will slow down your PC performance and automatically reboots your system. Booted PC, fans came on, MOBO light on, but no POST beep and no signal. Have you tried checking your power supply? If the fan header is fitted and soldered properly and then also it is not getting voltage, then there are a couple of things that you can do.

Fans would spin, but nothing else. If it is due to bad soldering, then you can solder it back if you have done soldering before and are not a stranger to it. This works in most cases, where the issue is originated due to a system corruption. Windows Bios is Unable to Check the CPU Fan Temperature, The connection between the CPU and the motherboard is not good, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window).

If you think that the above-mentioned symptoms are the ones your system faces, then you need a new CPU fan to resolve the problem. 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).

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. Know your PSU Specs, Fix Key Chatter in Mechanical Keyboards [Working Best Solution], RTX 3070 vs RTX 2080 Ti vs RTX 2070 SUPER Comparison & Benchmarks, Fix PC Restarting Randomly while Gaming [Causes & Solutions], Best RTX 3090 Cards for 8K HDR Gaming & Work [Custom AIB Models], Best RTX 3080 Cards for 4K Gaming [Custom AIB Models], RTX 3090 vs TITAN RTX vs RTX 3080 Comparison & Benchmarks. The methods mentioned can get expensive quickly since this could be a hardware problem so we have started with the inexpensive methods. The content is copyrighted and should not be reproduced on other websites. Give it a shot. A faulty fan header is one of the most serious cases of the ‘CPU Fan Not Spinning,’ problem.

do the psu paperclip test to see if the psu works fine. I have used the PC before, and it worked. Checked PSU with PSU tester and it appeared faulty. So, here you have to open the computer case to check the connection between the motherboard and the CPU fan. It's a 3.0V DC battery, if it is <2.6V DC replace it. If you installed it yourself, was the CPU socket cap still on when you got the motherboard and before you installed the CPU and if not did you check that there were no bent pins in the motherboard's CPU socket before inserting the CPU? I noticed though the CPU fan will try to spin when powered up, and then briefly spin a few rotations just as the rig is powered down (holding in the power button). It worked well for a long time with XP and worked well for a while with Vista. I had the same thing happen to me last week. Thanks for your reply. Error code 2000-0511. The CPU fan is then controlled by the BIOS in a stepped mechanism. Desktop computers have a separate power supply unit that supplies 3V, 5V, 10V and 12V to your motherboard. in Computer Science & Engineering. If you're new to the TechRepublic Forums, please read our TechRepublic Forums FAQ. Then plug power cable in and switch on.