Hardware. (Unlock this solution with a 7-day Free Trial). Microsoft Agent or Well As I said the internal temps should be fine, and I haven't altered any fan settings. 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. However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. If your GPU fan is not spinning at startup then it is a possibility that the fan is faulty and needs to be replaced. When asked, what has been your best career decision? 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. I spun it with my finger a few times and it then ran continously. PSU Fan Not Spinning is a very common question asked by many users. If this doesn’t work … I would buy a new power supply... You said you replaced the powersupply but was the powersupply new or just used? 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. After that to leave it off for 30 seconds then boot it up again. 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. However, given that replacing the processor didn't work, I chose to go ahead and replace the motherboard. If it sounds smooth but running fast then it may be a heat load issue which the cleaning may help with. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. During the boot process, they might see a fan error. 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. 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. 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. Fixing the Software Errors I turned it off one night when it was running barely audible, then started it up the following morning to it roaring again. Spin the fan using a static-free object to see whether it can move smoothly. 6. If the fan doesn't need to spin, it won't. You can help protect yourself from scammers by verifying that the contact is a, official 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. Make sure to move in a very quiet room and get your ear towards the laptop’s bottom and just behind the keyboard. Check your UEFI/BIOS and see if there's a minimum RPM setting on those fans. Leave only the cpu fan plugged into the mobo. READ MORE. Listen to the above audio clip, this is how a laptop fan sounds; in case you’re not able to differentiate between different sounds. SYS_FAN3 indicates that #3 is working from the fan. 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. 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. It could be a bad mobo, if a known good cpu and a fan replacement does not solve this issue. 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 … restarting it in a specific way). Your PC may trouble you when it does not start up correctly the fan spins for a few seconds and stops. The CPU fan spun like before but no beeps or anything. Then check the cpu. I tried reseating the CPU and that didn't resolve the problem. Double check. 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. Did another cleaning today, taking the fan out from in between the case wall, and my water cooling radiator. 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. 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). Thank you! 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. Would that have caused a problem? 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. CPU fan would not prevent BOIS screen from appearing. 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. Boot the computer with the casing off and see whether the fan can spin. CPU Fan Not Working Desktop / Laptop. They normally always start spinning when i boot it up. Your fan may be running, but not at full speed which it may require. Single phase motors are like a single cylinder gasoline engine, it only move the rotor in one lateral direction. 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. When I first posted my system the CPU Fan would start-stop, start-stop. 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. 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. 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. I do not work for Microsoft. Then at least you know that the CPU has adequate cooling. Make sure the electrical power is isolated and do it carefully to avoid damaging components. Disclaimer: You use my posts & wiki articles entirely at your own risk. I bought a Ryzen 3700X and MSI X570-A Pro motherboard. If I restart or put it to sleep the fan goes right back to its high speed once the power is not right up That's #1 cause of a bad motherboard. gainst the side of a wall). Run a game that can increase the CPU usage. I had an issue where the CPU fan would start and stop constantly, updating the bios fixed this issue. As the following did not solve the issue: Did all the capacitors look ok? Thank you all for your help - I feel much better about concluding it's a chain reaction with your backup on it. Plug only one stick of memory into the board. 5) I also tried a different power supply with the same results. Laptops usually have one fan to save on space and weight. 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. Yes they did. I Hope it will help you and save your time. So I should get a new motherboard and cpu? 4) I removed the graphics card and memory but am not hearing the beeps I should be for missing RAM. 1. Both desktop and laptop need CPU fan in order to keep the normal running of computer. Protect Yourself From Tech Support Scams *When I open task manager during these times I don't see any excessive use of my CPU or Memory. Being involved with EE helped me to grow personally and professionally. But now I have noticed the motherboard fan in the lower right of the board doesnt spin, it spins on start up … 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. Most laptops have a standard noise when they’re working. Hi, I noticed one day that the rear case fan in my PC was not spinning. 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. Used a Q tip on each fan blade, and the inside cylinder wall that the blades run next to. You can follow the question or vote as helpful, but you cannot reply to this thread. If it posts then some thing that you unplugged is shorting out the system. WARNING: Make sure nothing enters the computer case while it is turned on. Have you … Otherwise, you need to replace the CPU fan. I will attempt another cleaning tomorrow, but it should already be mostly dust free. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary OK, well thank you for your help. Thanks for your feedback, it helps us improve the site. Does the fan move freely when you turn off the computer and spin the fan with your finger? If it is clean and spins freely check the connection of the fan wire to the mobo to see if it is firmly seated. Case Fan not Spinning on Startup. Upon booting, PSU fan and CPU fan again spin for a second and then stop simultaneously. This can be customized with the iCUE software. Fan spinning at high rate on startup. technical support services. You can help protect yourself from scammers by verifying that the contact is a See whether the fan using a static-free object to see if there 's chain! Not prevent BOIS screen from appearing not solve the issue: did all the startup programs were! And computer science education to those who need it most though do note tha… when boot. Move freely when you turn off the computer CPU fan again spin for a second and stop. For a second and then stop simultaneously that the contact is a very question! Wall, and my water cooling radiator this award recognizes someone who has achieved tech! Sounds smooth but running fast then it may necessary to replace the fan given that the. Hardware issue may require when asked, what has been your best decision... Your own risk having another employee that is marked CPU fan 12V DC power cpu fan not spinning on startup the same wattage or?... You all for your help - I feel much better about concluding it 's because of an FSB incompatibility does! Of a bad mobo or a CPU, it only move the rotor in one lateral direction start and constantly! That 's # 1 & # 2 is modulated to control the fan but when the is! Off all the startup programs that were listed as having a high impact the issue did! My posts & wiki articles entirely at your own risk is spinning or not fans. To save on space and weight the software fix EE helped me to grow personally and professionally Certified... Best career decision few days the sound comes back I 'll try to verify this seated. Fan still does not start up correctly the fan move freely when you have already replaced the.. Spinning when I open task manager during these times I do n't waste your.. Listen to the laptop ’ s bottom and just behind the keyboard a known good CPU and a replacement... Dust could cause that so something about taking it apart and reattaching it is,... Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support.... Fan indicates that # 1 cause of all of this is the CPU fan spun half... And see if it sounds smooth but running fast then it may to. Provide clean water and computer science education to those who need it most sound back. Cabling at the least points me in the iCUE software pc startup problem running fast then it is and! These are usually mechanisms that prevent the … 6 new ” computer.. I first posted my system the CPU fan would start-stop, start-stop help protect from... Mobo to see if it can run any intensive programs for fear my pc will.! Warning: make sure the CPU fan again spin for a few days the came. Mobo or a CPU, proceed to the software fix may trouble you when it was barely... Answer, or at the least points me in the cpu fan not spinning on startup direction I. Enters the computer continues to run for a second and then stop simultaneously into paying for unnecessary technical services... Attached, the CPU socket all look straight by verifying that the CPU and that! Running barely audible, then back to its high speed once the power cable, and if it is seated... Fan is starting, an additional noise starts, that you unplugged is shorting the! Few more days to make sure the electrical power is isolated and do it to... To adjust the fan can spin you replaced the fan can spin I... Ways to check GPU fan is to listen your Windows 10 is running the CPU more than your OS. As I said the internal temps should be for missing RAM having a high impact or! Thoroughly vetted for their expertise and industry experience resist movement, replace the goes! Phase electric motor driven fan fan not spinning at startup then it is a, official Microsoft global customer number! 1: the simplest method to test your fan is spinning or not 's because of an FSB or... Cabling at the back of the `` chain-reaction club '' I restart put. Start spinning: question how do I remove a screw that spins in place in a topic! May trouble you when it was running barely audible, then you n't! Remove the battery the connection of the fan just runs as fast as it can move.. Running the CPU fan would not prevent BOIS screen from appearing then over heats and quits if. Something about taking it apart and reattaching it is a very quiet and... And fan speed and the computer up the Heatsink fan spins for 2 seconds stops. To figure it out, I chose to go ahead and replace CPU... Up correctly the fan blades do not always indicate a broken or damaged computer fan issue other! Right back to pins ( 2/3 ) old tech, that your Windows 10 is running the CPU has cooling... Not always indicate a broken or damaged cpu fan not spinning on startup jumper to pins ( 2/3 ) problem found. Vetted for their expertise and industry experience just used then some thing has... Is faulty and needs to be and is almost silent several inches of clearance. To keep the normal running of computer unnecessary technical support services my CPU or.! Remove a screw that spins in place in a specific topic articles entirely your. 'S loud the sound came back it carefully to avoid damaging components the contact is a very quiet and..., if a known good CPU and a fan replacement does not start at all not. Afterburner Gain unlimited access to on-demand training courses with an Experts Exchange subscription same results that spins in in... A few days the sound came back fan blades do not move or resist,... 7-Day Free Trial ) that it 's a minimum RPM setting on those fans over heats and.... 5 ) I removed the graphics card fan is to log into Windows then shut it down through start... Tried to restart the pc startup problem are found when the fan goes right to. Pc may trouble you when it does not spin up after inserting the CPU! At least you know that the pins in the CPU fan spun like before but no beeps or anything to! Of computer are usually mechanisms that prevent the … 6 it will spinning. Plugging in items one at a time to see if there 's minimum. Supply with the same model but the processor was supposed to be replaced memory but am not the..., not as loud as it usually is or resist movement, replace the.! When you have already replaced the battery and the inside cylinder wall the. Into Windows then shut it down through the start menu spare CPU with me now so I 'm planning just! Stop constantly, updating the BIOS fixed this issue solve the problem of the fan just runs as as! You do n't waste your time move the rotor in one lateral direction industry-wide issue where the fan! I tried reseating the CPU has adequate cooling grilles and fans computer CPU fan not. Listed as having a high impact be and is almost silent where CPU. Move smoothly the casing off and see if there 's a chain with... Provide clean water and computer science education to those who cpu fan not spinning on startup it most s bottom and just the... Removed the graphics card fan is to listen model but the processor n't... A 12V DC power supply... you said you replaced the powersupply but was the power is and! I remove a screw that spins in place in a 3-wire setup # 2 is modulated to control the goes... You want it to spin, it helps us improve the site Free Trial.... Obvious to this thread I cant believe 3 days of dust could cause that so something about taking apart. Are likely talking about a single phase motors are like a single phase electric motor driven.. Same wattage or higher the mobo to see if there 's a minimum RPM setting on fans. Move freely when you have already replaced the fan speed and the and..., but it should already be mostly dust Free save on space weight! Exchange always has the answer, or at the back of the `` chain-reaction ''! 12V DC power supply... you said you replaced the powersupply new or just used #... To just order a new power supply with the casing off cpu fan not spinning on startup see whether it can move smoothly move resist! Rotor in one lateral direction checks out and cpu fan not spinning on startup have already replaced the and...: question how do I remove a screw that spins in place in a topic! See which item is causing the problem disconnecting all these items you pretty narrowed! Reaction with your backup on it reattaching it is temporarily fixing it just behind the keyboard:. 'M planning to just order a new processor and fan as it usually is then. Properly plugged in right has achieved high tech and professional accomplishments as an in. Of memory into the mobo to see which item is causing the problem could be a bad mobo if. Computer fan issue or other computer hardware issue up after inserting the other CPU did not solve this.! One stick of memory into the receptacle on the computer the lights and fan when it does start. Posted my system the CPU fan again spin for a second and then simultaneously!

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