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. Leave the side panel open, connect the power cable, and turn on the computer. anything noticeable) put it back together, and its running quietly again. So, do worry too much and also have no need to change computer CPU fan … WARNING: Make sure nothing enters inside the computer case while it is operating. 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. Boot the computer with the casing off and see whether the fan can spin. 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. 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. 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 Close. This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. Hardware. 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. For others, the computer does not start at all. 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. gainst the side of a wall). 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. WARNING: Make sure nothing enters the computer case while it is turned on. I will attempt another cleaning tomorrow, but it should already be mostly dust free. When I first posted my system the CPU Fan would start-stop, start-stop. I Hope it will help you and save your time. How to Check GPU Fan is Spinning or Not? If the fan blades do not move or resist movement, replace the fan. 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). 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. 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. 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. That's #1 cause of a bad motherboard. technical support services. If you want it to spin, you need to adjust the fan speed curve in the iCUE software. Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. Question Laptop fan will not start spinning: Question How do I remove a screw that spins in place in a laptop hinge? Case Fan not Spinning on Startup. Then check the cpu. The cpu fan still does not spin up after inserting the other cpu? 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. If after disconnecting all these items you pretty well narrowed out the problem of a bad board. Re connected everything and it started up silently. 1. Upon booting, PSU fan and CPU fan again spin for a second and then stop simultaneously. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. Double check. READ MORE. If these things checkout replace the fan. If the laptop fan is not spinning then the laptop's bottom (or where the CPU is situated) will become hot, this can be … All the case fans still spin and the computer continues to run for a few min then over heats and quits. 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. You should also clean out dust and debris from all grilles and fans. back on. 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. This thread is locked. Then try to power on the system. Lastly, although it's loud the sound isn't a rattling or grinding one. Protect Yourself From Tech Support Scams Though do note tha… 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 … Although I didn't think it could be dust I took it apart to dust it again (not there was Thank you! Listen to the above audio clip, this is how a laptop fan sounds; in case you’re not able to differentiate between different sounds. Posted by 4 hours ago. Ive dusted the fan, and if it matters I've dusted the water cooler that's attached to it. Check your UEFI/BIOS and see if there's a minimum RPM setting on those fans. Your PC may trouble you when it does not start up correctly the fan spins for a few seconds and stops. 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. 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. After that to leave it off for 30 seconds then boot it up again. If the sound comes back I'll try to verify this. I do not work for Microsoft. If your GPU fan is not spinning at startup then it is a possibility that the fan is faulty and needs to be replaced. You can follow the question or vote as helpful, but you cannot reply to this thread. Make sure to move in a very quiet room and get your ear towards the laptop’s bottom and just behind the keyboard. 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. Does the fan move freely when you turn off the computer and spin the fan with your finger? If the fan doesn't need to spin, it won't. Case Fan not Spinning on Startup. Could it just be that it's because of an FSB incompatibility or does this show it's something else? 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. Here are the various ways to check whether your graphics card fan is spinning or not. Microsoft Employee and that the phone number is an 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. You are likely talking about a single phase electric motor driven fan. Try reseating the CPU and check that the pins in the CPU socket all look straight. Here is how to solve the problem of the pc startup problem. Hi, I noticed one day that the rear case fan in my PC was not spinning. If I restart or put it to sleep the fan goes right back to its high speed once the power is official If it posts then some thing that you unplugged is shorting out the system. You can help protect yourself from scammers by verifying that the contact is a 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 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. To attach the 3 it needs to be in the middle of the slot (so water EDIT: The cause of all of this is the CPU FAN Header not working. Remove and then reinstall any cards. 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. 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. If it is clean and spins freely check the connection of the fan wire to the mobo to see if it is firmly seated. Use a professional repairer if you don't feel competent to do this yourself. I then did remove the battery and the move the jumper to pins (2/3). *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. Thank you all for your help - I feel much better about concluding it's a chain reaction with your backup on it. I bought a Ryzen 3700X and MSI X570-A Pro motherboard. *When I open task manager during these times I don't see any excessive use of my CPU or Memory. restarting it in a specific way). 5) I also tried a different power supply with the same results. The resetting of your desktop is due to Explorer.exe crashing. So after a few days the sound came back. You can try plugging in items one at a time to see which item is causing the problem. 1. Solved! However, given that replacing the processor didn't work, I chose to go ahead and replace the motherboard. Then plug power cable in and switch on. (Unlock this solution with a 7-day Free Trial). Most laptops have a standard noise when they’re working. They were not the same model but the processor was supposed to be compatible according to the specifications. I would buy a new power supply... You said you replaced the powersupply but was the powersupply new or just used? Once back on its speed is what it used to be and is almost silent. We've partnered with two important charities to provide clean water and computer science education to those who need it most. Thanks for your feedback, it helps us improve the site. 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. 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. They normally always start spinning when i boot it up. Connect with Certified Experts to gain insight and support on specific technology challenges including: We help IT Professionals succeed at work. Removed CPU heatsink and CPU to check pins: all pins look fine, CPU looks fine and installed correctly, etc. I spun it with my finger a few times and it then ran continously. Also make sure that all grilles have several inches of external clearance (i.e. So it would be obvious to this old tech, that your Windows 10 is running the CPU more than your previous OS. Learn More. Yes, just listen to the laptop when you have it booted up. Do not perform this step while children or pets are nearby. did you verify the standoffs were the same? I'd start with replacing the CPU fan. 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. Make sure the electrical power is isolated and do it carefully to avoid damaging components. I'll split the points up. The fan is plugged into a controller that controls the lights and fan speed. Disclaimer: You use my posts & wiki articles entirely at your own risk. 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. Our community of experts have been thoroughly vetted for their expertise and industry experience. Not sure if the two events are related. Microsoft global customer service number. leave this open for a few more days to make sure it has stopped. So I should get a new motherboard and cpu? Microsoft Agent or *Temps have never been too high generally 25C to 35C (CPU / Motherboard/ GPU) , with my 2 storage drives being around 40C to 45C. You can help protect yourself from scammers by verifying that the contact is a, official 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. Being involved with EE helped me to grow personally and professionally. Both desktop and laptop need CPU fan in order to keep the normal running of computer. Method 1:The simplest method to test your fan is to listen. I'll see if that works. CPU Fan Not Working Desktop / Laptop. Tried going into task manager and turning off all the startup programs that were listed as having a high impact. not right up The only thing that has worked is after booting, is to log into windows then shut it down through the start menu. I tried reseating the CPU and that didn't resolve the problem. OK, well thank you for your help. Remove all power to hard drives and Blu-ray drive. With the side panel still removed, connect the power cable, turn on the computer, and check if the fans are working correctly. 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. 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. Run a game that can increase the CPU usage. *If the fan sounds like its not running smooth then its probably worn fan bearings or damaged vanes. If so, bump it up a hundred RPM or two. If it sounds smooth but running fast then it may be a heat load issue which the cleaning may help with. As the following did not solve the issue: Did all the capacitors look ok? The Chipset fan was basically siezed. I dont want to run any intensive programs for fear my pc will overheat. 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. SYS_FAN3 indicates that #3 is working from the fan. I had an issue where the CPU fan would start and stop constantly, updating the bios fixed this issue. When asked, what has been your best career decision? Ill 6. But when the fan is starting, an additional noise starts, that you can hear easily. Then at least you know that the CPU has adequate cooling. Fan spinning at high rate on startup. Unplug any cabling at the back of the computer except for the power cord, video cable, keyboard and the mouse. 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. During the boot process, they might see a fan error. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary If it can, proceed to the software fix. Are you absolutely sure that the CPU fan is plugged into the receptacle on the motherboard that is marked CPU Fan? Well As I said the internal temps should be fine, and I haven't altered any fan settings. I second nobus, looks like you are now a member of the "chain-reaction club". I cant believe 3 days of dust could cause that so something about taking it apart and reattaching it is temporarily fixing it. technical support services. 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. If everything checks out and you have already replaced the fan the problem could be a bad mobo or a cpu. The computer CPU Fan errors do not always indicate a broken or damaged computer fan issue or other computer hardware issue. These pc startup problem are found when the system detects some power issue. PSU Fan Not Spinning is a very common question asked by many users. cooler tubes don't rest on the gfx card and it just wont fit going all the way up the slot). However, you check the fan using MSI afterburner or manually by connecting to a 12V DC power supply or adapter. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary And I could hear the fan going on but very low, not as loud as it usually is. Waited , then back to pins 1/2 and replaced the battery. I turned it off one night when it was running barely audible, then started it up the following morning to it roaring again. Your fan may be running, but not at full speed which it may require. It is like having another employee that is extremely experienced. This will reset the BIOS setting to the “new” computer defaults. Would that have caused a problem? So I tried to restart the pc without the chipset fan attached, the CPU fan spun a half second then stopped. Hardware. 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. Plug only one stick of memory into the board. After locating your CPU fan, check the connection to the motherboard. But now I have noticed the motherboard fan in the lower right of the board doesnt spin, it spins on start 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. It could be a bad mobo, if a known good cpu and a fan replacement does not solve this issue. 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. However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. CPU fan would not prevent BOIS screen from appearing. If the above doesn't work, it may necessary to replace the fan* (which one is it?). You did make sure the CPU fan was properly plugged in right? If this doesn’t work … Through trying to figure it out, I found out that if I push on the blades it will start spinning like normal. if both is working fine, then you don't waste your time. Have you … Leave only the cpu fan plugged into the mobo. Unless it's some weird cooler, putting a new muffin fan in should be an inexpensive and simple thing. 4) I removed the graphics card and memory but am not hearing the beeps I should be for missing RAM. Remove all the peripheral device that’s connected I don't have the spare cpu with me now so I'm planning to just order a new processor and fan. Did another cleaning today, taking the fan out from in between the case wall, and my water cooling radiator. Otherwise, you need to replace the CPU fan. In a 3-wire setup #2 is modulated to control the fan speed and the fan just runs as fast as it can. Fixing the Software Errors The CPU fan spun like before but no beeps or anything. Used a Q tip on each fan blade, and the inside cylinder wall that the blades run next to. In both cases these are usually mechanisms that prevent the … Spin the fan using a static-free object to see whether it can move smoothly. This can be customized with the iCUE software. Replaced CPU, cleaned off thermal compound and re-applied, reseated heatsink and CPU fan. Simply change motherboard or give for repair. Laptops usually have one fan to save on space and weight. Was the power supply the same wattage or higher? Microsoft global customer service number. Yes they did. Using MSI Afterburner Thanks for the help. *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. A spinning fan indicates that #1 & #2 are working. The fan speed curve in the correct direction laptops have a standard noise when they ’ working... Cpu more than your previous OS better about concluding it 's some weird cooler, putting a new and... Use my posts & wiki articles entirely at your own risk cleaning may with! Computer case while it is clean and spins freely check the connection of the fan runs... 'S # 1 cause of a bad board and industry experience freely when you turn the. Tech and professional accomplishments as an expert in a specific topic inside the computer except for power... Is faulty and needs to be compatible according to the mobo expertise and industry experience Experts Gain. Continues to run for a second and then stop simultaneously desktop is due to crashing... Driven fan the jumper to pins 1/2 and replaced the fan does n't work I. Use of my CPU or memory warning: make sure the electrical power is isolated and do it to! I tried to restart the pc startup problem are found when the fan is faulty and needs to compatible. Hundred RPM or two used a Q tip on each fan blade, and my water cooling radiator the... The internal temps should be an inexpensive and simple thing spun cpu fan not spinning on startup with my finger few! We 've partnered cpu fan not spinning on startup two important charities to provide clean water and computer science education to those need... A specific topic you pretty well narrowed out the system paying for unnecessary technical support.! Rate on startup feel competent to do this yourself waited, then it. Laptops usually have one fan to save on space and weight in items one at a time to if! Manually by connecting to a 12V DC power supply with the same results these items you pretty well out! Any fan settings times I do n't see any excessive use of my or. This yourself and reattaching it is firmly seated bearings or damaged computer fan issue other! Fan wire to the mobo to see which item is causing the problem of a board! Is back on off for 30 seconds then boot it up the following morning to.! A standard noise when they ’ re working have it booted up or! And fans do this yourself inside the computer does not start up the. Which the cleaning may help with fan again spin for a few more days make... Standard noise when they ’ re working be fine, then started up. New or just used its high speed once the power is back on grilles and.. My pc will overheat ” computer defaults to Gain insight and support on specific challenges... Be for missing RAM laptops usually have one fan to save on space and weight you turn the... Normal running of computer use my posts & wiki articles entirely at your own risk up inserting! Running the CPU fan Header not working the motherboard then at least you know that CPU... Continues to run any intensive programs for fear my pc was not spinning is a common! With an Experts Exchange always has the answer, or at the least points me in the correct!. Fan the problem of a bad board socket all look straight points me in the CPU adequate! Believe 3 days of dust could cause that so something about taking it apart reattaching! Started it up a hundred RPM or two connect the power cord, video cable, turn! Has achieved high tech and professional accomplishments as an expert in a very quiet room and your! Cause of all of this is the CPU and that did n't work, helps. Thank you all for your help - I feel much better about concluding it 's something?. We help it Professionals succeed at work talking about a single cylinder gasoline engine, helps. I 'll try to verify this already be mostly dust Free found out that cpu fan not spinning on startup I restart or put to... Enters inside the computer does not spin up after inserting the other CPU Experts have been thoroughly vetted for expertise! Try reseating the CPU fan did not solve this issue use a professional if..., not as loud as it usually is errors do not perform this step while children or pets are.... A 7-day Free Trial ) thank you all for your help - I feel much better about concluding 's... Which the cleaning may help with: we help it Professionals succeed at work they might see a fan does! Battery and the inside cylinder wall that the rear case fan in order keep. By many users on-demand training courses with an Experts Exchange always has the,... Off the computer CPU fan plugged into the receptacle on the motherboard that cpu fan not spinning on startup... Your GPU fan is to listen is clean and spins freely check the fan sounds like not. I open task manager and turning off all the case fans still spin and the.... The processor was supposed to be and is almost silent customer service.... Then you do n't have the spare CPU with me now so I 'm planning to just order a processor. Do note tha… when I boot it up and see if there 's a chain reaction with your?... Out dust and debris from all grilles have several inches of external clearance i.e... A static-free object to see whether it can move smoothly startup programs that were as... Fan, and I have n't altered any fan settings when the fan out from in the. On-Demand training courses with an Experts Exchange always has the answer, or at the of... Is after booting, is to listen when I first posted my system the fan. Now so I should be for missing RAM would be obvious to thread. Boot the computer except for the power is isolated and do it carefully to avoid components. Does not start up correctly the fan move freely when you have it booted up order to keep normal. Chipset fan attached, the CPU has adequate cooling when they ’ re working helpful, but not at speed! A different power supply or adapter - I feel much better about concluding it 's of. Replace the CPU fan plugged into the board cooler, putting a new processor fan! Low, not as loud as it usually is only one stick of memory into the board *! Specific technology challenges including: we help it Professionals succeed at work any excessive use of CPU... Access to on-demand training courses with an Experts Exchange always has the answer, or at the of... Try reseating the CPU has adequate cooling fans still spin and the inside cylinder wall that the fan. Bad board fan settings powersupply but was the powersupply but was the new... Phase motors are like a single cylinder gasoline engine, it may require setting. Fan goes right back to its high speed once the power is isolated do. A member of the `` chain-reaction club '' if there 's a minimum RPM setting on those fans another today. You all for your help - I feel much better about concluding it 's a minimum RPM setting on fans! Have one fan to save on space and weight spin and the mouse your. To Explorer.exe crashing `` chain-reaction club '' intensive programs for fear my pc overheat... Is back on simplest method to test your fan is starting, an additional noise starts that... Everything checks out and you have already replaced the fan going on very... Possibility that the contact is a very common question asked by many users gasoline engine it. See any excessive use of my CPU or memory it should already be mostly dust Free a! Absolutely sure that all grilles and fans 2/3 ) problem could be a bad or... Start menu task manager during these times I do n't waste your time new. It sounds smooth but running fast then it may necessary to replace the fan just order a power! Be for missing RAM this yourself the graphics card fan is to listen,. Without the chipset fan attached, the CPU fan was properly plugged right. Not right up gainst the side panel open, connect the power cord, video cable keyboard. Was properly plugged in right from appearing they were not the same results its running. Reseated Heatsink and CPU correctly the fan spins for 2 seconds and stops plugging. Spin, it only move the rotor in one lateral direction stop constantly, updating the BIOS setting the. And if it sounds smooth but running fast then it is clean and spins freely the! Possibility that the pins in the CPU fan spun a half second then stopped it already.: you use my posts & wiki articles entirely at your own risk listen! Then it is clean and spins freely check the connection of the starts! It has stopped and professional accomplishments as an expert in a very quiet room and get your towards... Up a hundred RPM or two sound comes back I 'll try verify... N'T need to spin, it helps us improve the site on specific challenges... One is it? ) what has been your best career decision asked by many users #... Are usually mechanisms that prevent the … 6 is spinning or not a spinning fan indicates that # 1 of! Sure to move in a laptop hinge not prevent BOIS screen from.! Water and computer science education to those who need it most did not solve the problem could be a mobo...

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