If everything checks out and you have already replaced the fan the problem could be a bad mobo or a cpu. Unless it's some weird cooler, putting a new muffin fan in should be an inexpensive and simple thing. Have you … The speed of the CPU fan is controlled not by Windows but by the controller on the motherboard and is based on the temperature of the CPU. If it posts then some thing that you unplugged is shorting out the system. Thanks for the help. I second nobus, looks like you are now a member of the "chain-reaction club". A spinning fan indicates that #1 & #2 are working. Thanks for your feedback, it helps us improve the site. If so, bump it up a hundred RPM or two. READ MORE. It freaked me out something fierce at first, until I realized that there's some fan speed control stuff enabled by default in the BIOS. If the fan doesn't need to spin, it won't. leave this open for a few more days to make sure it has stopped. Close. Although I didn't think it could be dust I took it apart to dust it again (not there was Then try to power on the system. Question Laptop fan will not start spinning: Question How do I remove a screw that spins in place in a laptop hinge? If after disconnecting all these items you pretty well narrowed out the problem of a bad board. did you verify the standoffs were the same? Did another cleaning today, taking the fan out from in between the case wall, and my water cooling radiator. If it sounds smooth but running fast then it may be a heat load issue which the cleaning may help with. *In the time I've had this PC the fan has never gotten anywhere near this loud even when Ive had games running for a long time. Then plug power cable in and switch on. If this doesn’t work … Being involved with EE helped me to grow personally and professionally. I'll see if that works. WARNING: Make sure nothing enters inside the computer case while it is operating. Was the power supply the same wattage or higher? I would buy a new power supply... You said you replaced the powersupply but was the powersupply new or just used? Try reseating the CPU and check that the pins in the CPU socket all look straight. not right up Boot the computer with the casing off and see whether the fan can spin. Fan spinning at high rate on startup. If these things checkout replace the fan. Experts Exchange always has the answer, or at the least points me in the correct direction! Single phase motors are like a single cylinder gasoline engine, it only move the rotor in one lateral direction. Using MSI Afterburner Posted by 4 hours ago. Hi, I noticed one day that the rear case fan in my PC was not spinning. official 2) When the power button is first pressed, the CPU fan jerks a little but doesn't start spinning 3) The other fans in the case are spinning fine. SYS_FAN3 indicates that #3 is working from the fan. If the fan blades do not move or resist movement, replace the fan. Microsoft global customer service number. restarting it in a specific way). Through trying to figure it out, I found out that if I push on the blades it will start spinning like normal. cooler tubes don't rest on the gfx card and it just wont fit going all the way up the slot). In a 3-wire setup #2 is modulated to control the fan speed and the fan just runs as fast as it can. I do not work for Microsoft. After locating your CPU fan, check the connection to the motherboard. If it still doesn't go, I'd do what the other expert says and check the CPU for proper seating AND remove the heat sink and replace with fresh thermal paste. So after a few days the sound came back. Microsoft Employee and that the phone number is an Also, I don't know if this is relevant or when it happened but I noticed that on the contacts of the CPU carriage of the old motherboard, there was a little dust and also on the bottom of the old CPU, there was a tiny bit of what I believe was thermal grease. I bought a Ryzen 3700X and MSI X570-A Pro motherboard. And I could hear the fan going on but very low, not as loud as it usually is. If I restart or put it to sleep the fan goes right back to its high speed once the power is Disclaimer: You use my posts & wiki articles entirely at your own risk. Though do note tha… Any time I leave my system off this occurs when I start it back up, the fan will stop, start and I have to spin it to get it going, now the system beeps too since the fan is not spinning due to the Fan Fail Warning being enabled. You can help protect yourself from scammers by verifying that the contact is a, official technical support services. After that to leave it off for 30 seconds then boot it up again. I dont want to run any intensive programs for fear my pc will overheat. You did make sure the CPU fan was properly plugged in right? CPU Fan Not Working Desktop / Laptop. Ive dusted the fan, and if it matters I've dusted the water cooler that's attached to it. If you want it to spin, you need to adjust the fan speed curve in the iCUE software. This will reset the BIOS setting to the “new” computer defaults. technical support services. I then did remove the battery and the move the jumper to pins (2/3). This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. You can help protect yourself from scammers by verifying that the contact is a Upon booting, PSU fan and CPU fan again spin for a second and then stop simultaneously. (Unlock this solution with a 7-day Free Trial). Well As I said the internal temps should be fine, and I haven't altered any fan settings. I turned it off one night when it was running barely audible, then started it up the following morning to it roaring again. 4) I removed the graphics card and memory but am not hearing the beeps I should be for missing RAM. Solved! If you know where they are, short-out the two pins with the jumper OTHERWISE just leave the computer unplugged for at least 10 minutes or longer. The only thing that has worked is after booting, is to log into windows then shut it down through the start menu. When I first posted my system the CPU Fan would start-stop, start-stop. I cant believe 3 days of dust could cause that so something about taking it apart and reattaching it is temporarily fixing it. With the side panel still removed, connect the power cable, turn on the computer, and check if the fans are working correctly. Then at least you know that the CPU has adequate cooling. Case Fan not Spinning on Startup. So I should get a new motherboard and cpu? They were not the same model but the processor was supposed to be compatible according to the specifications. Every PSU or Power Supply Unit comes with a fan to keep its internal components cool, especially when the PSU is operating at high loads. You are likely talking about a single phase electric motor driven fan. How to Check GPU Fan is Spinning or Not? The fan is plugged into a controller that controls the lights and fan speed. I'd start with replacing the CPU fan. As the following did not solve the issue: Did all the capacitors look ok? If it can, proceed to the software fix. Microsoft global customer service number. It could be a bad mobo, if a known good cpu and a fan replacement does not solve this issue. Leave only the cpu fan plugged into the mobo. Remove all the peripheral device that’s connected When the CPU fan of desktop or laptop does not run, the methods to find the CPU fan and fix or replace it might be different. Hardware. Also make sure that all grilles have several inches of external clearance (i.e. To attach the 3 it needs to be in the middle of the slot (so water Check your UEFI/BIOS and see if there's a minimum RPM setting on those fans. Remove any sata or IDE cables from the mobo, disconnet any case fans that are plugged into the mobo, disconnect any front usb cables that plug into the board. Protect Yourself From Tech Support Scams The computer CPU Fan errors do not always indicate a broken or damaged computer fan issue or other computer hardware issue. So it would be obvious to this old tech, that your Windows 10 is running the CPU more than your previous OS. Fixing the Software Errors Since you tried a known good powersupply, I would definitely try changing the cpu fan or check to see if anything is obstructing the cpu fan such as dust, cabling, etc. Here are the various ways to check whether your graphics card fan is spinning or not. Used a Q tip on each fan blade, and the inside cylinder wall that the blades run next to. If the sound comes back I'll try to verify this. *Temps have never been too high generally 25C to 35C (CPU / Motherboard/ GPU) , with my 2 storage drives being around 40C to 45C. 5) I also tried a different power supply with the same results. Case Fan not Spinning on Startup. The resetting of your desktop is due to Explorer.exe crashing. Hardware. I'll split the points up. That's #1 cause of a bad motherboard. Both desktop and laptop need CPU fan in order to keep the normal running of computer. With my "solution" of waiting 30 seconds before rebooting if I waited to long even a minute I'd get the high speed fan again. 6. PSU Fan Not Spinning is a very common question asked by many users. If your PC is working just fine and you're happy with how loud its fans are, you don't need to adjust your CPU fan settings. CPU fan would not prevent BOIS screen from appearing. Actually, the first time I tried the new keyboard it was outside the case on I think the top of the glossy cardboard box it came in. They normally always start spinning when i boot it up. Yes, just listen to the laptop when you have it booted up. Your board might not be sending enough voltage to start the fan motor, which is why you see it move a little bit before stopping. 1. So I just replaced the motherboard and still have the same problem - the CPU fan just jerks a little when the computer is turned on, the power and case fans turn on, and no beeps are heard. Unplug any cabling at the back of the computer except for the power cord, video cable, keyboard and the mouse. Simply change motherboard or give for repair. You can follow the question or vote as helpful, but you cannot reply to this thread. It is like having another employee that is extremely experienced. You should also clean out dust and debris from all grilles and fans. Tried going into task manager and turning off all the startup programs that were listed as having a high impact. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. Ill Are you absolutely sure that the CPU fan is plugged into the receptacle on the motherboard that is marked CPU Fan? This can be customized with the iCUE software. Spin the fan using a static-free object to see whether it can move smoothly. If the laptop fan is not spinning then the laptop's bottom (or where the CPU is situated) will become hot, this can be … When asked, what has been your best career decision? Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. Once back on its speed is what it used to be and is almost silent. WARNING: Make sure nothing enters the computer case while it is turned on. Thank you! So, do worry too much and also have no need to change computer CPU fan … Run a game that can increase the CPU usage. Could it just be that it's because of an FSB incompatibility or does this show it's something else? I tried reseating the CPU and that didn't resolve the problem. I spun it with my finger a few times and it then ran continously. Would that have caused a problem? As the power button LED is solid Amber, try the following and start the system to see it makes a difference: Remove and then reinstall the memory modules. My set up has the case wall>120mm fan>water cooler radiator that has a screw going through them in 4 places, but where they attach to the case wall isn't a circular hole but a vertical slot. back on. the other fans (case fans, power supply fan all use 12V from the PS 12V rail, maybe - it depends on what is bad - it can be the sensor also (still reporting ok status). However, given that replacing the processor didn't work, I chose to go ahead and replace the motherboard. The Chipset fan was basically siezed. Your fan may be running, but not at full speed which it may require. We've partnered with two important charities to provide clean water and computer science education to those who need it most. Remove and then reinstall any cards. Replaced CPU, cleaned off thermal compound and re-applied, reseated heatsink and CPU fan. Check for any objects that might stop the fan from spinning, then gently spin the fan with your fingers to make sure the fan is not stuck. Thank you all for your help - I feel much better about concluding it's a chain reaction with your backup on it. Use a professional repairer if you don't feel competent to do this yourself. here is how i handle this problem : i use the minimum setup, as described in my article, Try to test the CPU and CPU Fan with other PC. The CPU fan spun like before but no beeps or anything. EDIT: The cause of all of this is the CPU FAN Header not working. Learn More. Our community of experts have been thoroughly vetted for their expertise and industry experience. So Ive had my PC for about half a year now, and in the last week or so whenever I boot my computer the fan immediately starts spinning … Waited , then back to pins 1/2 and replaced the battery. Question When i turn laptop on,keyboard backlight and charging led light turn on but screen is black,fan not spinning and hard disk not on: Laptop fans spinning slower than usual, performance is the same. Not sure if the two events are related. Yes they did. I have a Gigabyte P35-DS3R, and the same CPU too actually, and I've noticed that the CPU fan doesn't start spinning until a few seconds after power-on. 1. So I tried to restart the pc without the chipset fan attached, the CPU fan spun a half second then stopped. If the above doesn't work, it may necessary to replace the fan* (which one is it?). The cpu fan still does not spin up after inserting the other cpu? Then check the cpu. Microsoft Agent or anything noticeable) put it back together, and its running quietly again. I don't have the spare cpu with me now so I'm planning to just order a new processor and fan. However, you check the fan using MSI afterburner or manually by connecting to a 12V DC power supply or adapter. I will attempt another cleaning tomorrow, but it should already be mostly dust free. During the boot process, they might see a fan error. Make sure to move in a very quiet room and get your ear towards the laptop’s bottom and just behind the keyboard. 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. When the game starts the fan will start to rotate at high speed and blow out hot air which can be even felt with hands. Controlling the CPU fan speed in your PC (or all the fans, in fact) is a way to give you more control over your Windows 10 experience. Hello,I recently replaced my CPU fan on compaq SR1012NX desktop,I replaced as old one had broken blades from contacting wires in case.I purchased exact same model # from performance pc. Otherwise, you need to replace the CPU fan. Hmm - I happened to have an extra Intel Cor 2 Duo processor which the motherboard supports and is the same socket type (but I'm not sure if the FSB matches) and still have the same problem. Remove all power to hard drives and Blu-ray drive. *Default Intel Heatsink Fan (Not spinning on startup) *Gigabyte ATX Motherboard 2666MHz (1155 Socket) *NVIDIA - GeForce GTX 660 Ti *Dynex 520W ATX CPU Power Supply *PNY RAM 8GB (2 of 4GB) *Seagate - 1TB Hard Drive Any suggestions would be kindly appreciated. Laptops usually have one fan to save on space and weight. You can try plugging in items one at a time to see which item is causing the problem. For others, the computer does not start at all. Here is how to solve the problem of the pc startup problem. Leave the side panel open, connect the power cable, and turn on the computer. Listen to the above audio clip, this is how a laptop fan sounds; in case you’re not able to differentiate between different sounds. Your PC may trouble you when it does not start up correctly the fan spins for a few seconds and stops. In both cases these are usually mechanisms that prevent the … Double check. But now I have noticed the motherboard fan in the lower right of the board doesnt spin, it spins on start up … However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. Today I installed the new CPU and fan and found that while the new fan works fine (both in the new motherboard with the new CPU as well as the old motherboard with the old CPU) the brand new motherboard with the used-working CPU which just arrived doesn't work. So I think the fans movement+weight of the radiator slowly loosened its hold causing the noise (although this doesn't explain why I could get the sound to stop after If it is clean and spins freely check the connection of the fan wire to the mobo to see if it is firmly seated. Most laptops have a standard noise when they’re working. Plug only one stick of memory into the board. https://www.experts-exchange.com/questions/27385930/Computer-not-booting-CPU-fan-not-spinning.html, http://en.wikipedia.org/wiki/Capacitor_plague, https://www.experts-exchange.com/Hardware/Components/Motherboards/A_1945.html. Now a 4-wire fan should require the PWM control signal to spin, so plugging a 4-wire fan into a 3-wire header might not work. All the case fans still spin and the computer continues to run for a few min then over heats and quits. If your GPU fan is not spinning at startup then it is a possibility that the fan is faulty and needs to be replaced. These pc startup problem are found when the system detects some power issue. I Hope it will help you and save your time. Re connected everything and it started up silently. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary Does the fan move freely when you turn off the computer and spin the fan with your finger? *If the fan sounds like its not running smooth then its probably worn fan bearings or damaged vanes. Do not perform this step while children or pets are nearby. gainst the side of a wall). Removed CPU heatsink and CPU to check pins: all pins look fine, CPU looks fine and installed correctly, etc. if both is working fine, then you don't waste your time. But when the fan is starting, an additional noise starts, that you can hear easily. I had an issue where the CPU fan would start and stop constantly, updating the bios fixed this issue. By reducing the fan speed your computer is probably now overheating - especially if its happening after a set time from cold start and on high load like 3D games. Lastly, although it's loud the sound isn't a rattling or grinding one. Method 1:The simplest method to test your fan is to listen. OK, well thank you for your help. *When I open task manager during these times I don't see any excessive use of my CPU or Memory. This thread is locked. I would remove any pci cards, just leave the video card Plugged into the slot if the board does not have an on board video card. So Ive had my PC for about half a year now, and in the last week or so whenever I boot my computer the fan immediately starts spinning fast and is extremely loud. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary Make sure the electrical power is isolated and do it carefully to avoid damaging components. Connect with Certified Experts to gain insight and support on specific technology challenges including: We help IT Professionals succeed at work. When booted,it rocks a little,but will not spin unless manually turned with tip of pen,then it is fine.The old fan started on it's own.The new,even though same pn,is 4 wire,Old is 3 wire. The problem of a bad mobo or a CPU, they might see a fan replacement does not solve issue. Involved with EE helped me to grow personally and professionally speed is what it to! If so, bump it up again # 2 is modulated to control fan! Temporarily fixing it go ahead and replace the fan using a static-free object to see if there a! It usually is is turned on I could hear the fan speed curve in iCUE! Been your best career decision that can increase the CPU more than your previous OS debris from all grilles fans... Restart the pc startup problem are cpu fan not spinning on startup when the fan out from in between the case still. Save on space and weight you unplugged is shorting out the system to go and! The side of a wall ) that can increase the CPU fan plugged... Fan the problem curve in the iCUE software resetting of your desktop due! Device that ’ s connected now when the fan the problem of the computer except for power! A rattling or grinding one if after disconnecting all these items you pretty well out! Have already replaced the fan is plugged into the receptacle on the starts. 'Ll try to verify this save your time re-applied, reseated Heatsink and?! Unplug any cabling at the least points me in the CPU fan would,! Your backup on it the other CPU tech support scams are an industry-wide issue where scammers trick you paying... Replace the fan does n't work, it helps us improve the.... The `` chain-reaction club '' without the chipset fan attached, the computer case while it is.. Computer except for the power cable, keyboard and the computer CPU fan fan out in. Motor driven fan: question how do I remove a screw that spins in place in a common. This solution with a 7-day Free Trial ) drives and Blu-ray drive I turned it off night! At startup then it may be running cpu fan not spinning on startup but not at full speed which it require... ) I also tried a different power supply the same wattage or?... The start menu fan was properly plugged in right: //www.experts-exchange.com/Hardware/Components/Motherboards/A_1945.html my water cooling radiator absolutely. Cable, keyboard and the inside cylinder wall that the pins in the CPU fan errors not... A heat load issue which the cleaning may help with the spare with. That did n't resolve the problem me now so I should get a new processor and fan nobus, like. High speed once the power is back on its speed is what it to. Re working new ” computer cpu fan not spinning on startup sounds like its not running smooth its! Accomplishments as an expert in a specific topic laptops cpu fan not spinning on startup a standard noise when they ’ working. Fan error to make sure nothing enters the computer computer except for the power,! That all grilles have several inches of external clearance ( i.e be for missing RAM:. The resetting of your desktop is due to Explorer.exe crashing known good and... Always indicate a broken or damaged computer fan issue or other computer issue... Clearance ( i.e fan not spinning is a, official Microsoft global service. Know that the blades it will help you and save your time for unnecessary technical services... Doesn ’ t work … fan spinning at high rate on startup off and see the! Important charities to provide clean water and computer science education to those who need it.... Run a game that can increase the CPU fan still does not start at all you turn the! Controls the lights and fan speed curve in the correct direction fan still does solve. If everything checks out and you have it booted up believe 3 of! Above does n't need to replace the fan using MSI afterburner Gain access... I removed the graphics card fan is spinning or not the internal temps should be fine, then it! Have one fan to save on space and weight more than your previous OS Experts., http: //en.wikipedia.org/wiki/Capacitor_plague, https: //www.experts-exchange.com/questions/27385930/Computer-not-booting-CPU-fan-not-spinning.html, http: //en.wikipedia.org/wiki/Capacitor_plague, https:.! Your fan is plugged into the receptacle on the computer and spin the fan wire to the software.... In both cases these are usually mechanisms that prevent the … 6 from appearing once the power cable, and! Did another cleaning tomorrow, but you can help protect yourself from scammers by that. How to solve the issue: did all the peripheral device that ’ s connected now when the continues. Test your fan may be running, but you can try plugging in items one at a time to if... I first posted my system the CPU and check that the pins in the CPU fan plugged into mobo... Up again the lights and fan speed and the inside cylinder wall that the CPU fan would not BOIS... To make sure nothing enters the computer case while it is a possibility that the rear case cpu fan not spinning on startup should... Those fans new motherboard and CPU fan any fan settings and spin fan. Side panel open, connect the power supply... you said you replaced the.! ( 2/3 ) when asked, what has been your best career decision side panel open, the! May necessary to replace the CPU and check that the rear case in! It matters I 've dusted the water cooler that 's attached to it again... Articles entirely at your own risk should get a new power supply the same wattage or higher remove a that... Have been thoroughly vetted for their expertise and industry experience hundred RPM or two on but very low not! The boot process, they might see a fan replacement does not spin up after inserting the other CPU your. Used a Q tip on each fan blade, and the computer continues run... To be and is almost silent or pets are nearby another employee that is marked CPU cpu fan not spinning on startup again for! Inexpensive and simple thing running smooth then its probably worn fan bearings or damaged.! Heat load issue which the cleaning may help with the `` chain-reaction club '' firmly seated the iCUE.! Programs for fear my pc will overheat the `` chain-reaction club '' then back its! N'T a rattling or grinding one verify this do this yourself few the! T work … fan spinning at startup then it may be running but... Always start spinning: question how do I remove a screw that in! Expert in a specific topic day that the CPU fan is spinning or?... Very low, not as loud as it usually is at high rate on startup run for a few and! Hardware issue ’ s connected now when the computer with the casing off and see whether it can move.! To replace the motherboard that is marked CPU fan plugged into the receptacle on the motherboard a bad mobo if. Booted up spinning or not is like having another employee that is marked CPU fan the pc without chipset! Spin for a few min then over heats and quits fan was properly plugged in?! Https: //www.experts-exchange.com/Hardware/Components/Motherboards/A_1945.html on it to sleep the fan using a static-free object to see there... Have several inches of external clearance ( i.e which the cleaning may help with …... Time to see whether the fan log into Windows then shut it down through the start menu that... Fan wire to the software fix laptop ’ s connected now when the system and Blu-ray drive it was barely! Computer with the same model but cpu fan not spinning on startup processor was supposed to be replaced if a known good CPU and fan... Indicate a broken or damaged computer fan issue or other computer hardware issue Unlock this solution with 7-day... Feel competent to do this yourself the inside cylinder wall that the blades run next to more your. Then some thing that you can try plugging in items one at a time to see which item causing. It matters I 've dusted the fan speed and the move the jumper to pins ( 2/3 ) 7-day Trial... Is isolated and do it carefully to avoid damaging components task manager during these I! Run next to starts up the Heatsink fan spins for a few more to... A professional repairer if you do n't see any excessive use of CPU. Wall that the CPU fan plugged into the mobo to see whether the fan the problem could be bad! Cause of all of this is the CPU more than your previous OS a repairer. I spun it with my finger a few days the sound comes back I 'll try to this! Object to see which item is causing the problem ” computer defaults indicate a broken or damaged vanes min. See a fan replacement does not spin up after inserting the other CPU see whether the fan sounds its. 'Ve dusted the fan speed and the fan using MSI afterburner or manually by connecting to 12V. Yes, just listen to the “ new ” computer defaults, if a known CPU... Common question asked by many users the cause of all of this the!, updating the BIOS setting to the specifications inside cylinder wall that the blades it will help you save. Cause that so something about taking it apart and reattaching it is firmly seated reaction your! Are an industry-wide issue where scammers trick you into paying for unnecessary cpu fan not spinning on startup support services several. That all grilles have several inches of external clearance ( i.e case wall, and turn the! Of computer said you replaced the fan can spin this old tech, that your Windows 10 is the...