Upon booting, PSU fan and CPU fan again spin for a second and then stop simultaneously. The fan is plugged into a controller that controls the lights and fan speed. back on. gainst the side of a wall). 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. Microsoft global customer service number. You can help protect yourself from scammers by verifying that the contact is a, official Yes, just listen to the laptop when you have it booted up. Make sure to move in a very quiet room and get your ear towards the laptop’s bottom and just behind the keyboard. Double check. We've partnered with two important charities to provide clean water and computer science education to those who need it most. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary You can try plugging in items one at a time to see which item is causing the problem. Could it just be that it's because of an FSB incompatibility or does this show it's something else? *Temps have never been too high generally 25C to 35C (CPU / Motherboard/ GPU) , with my 2 storage drives being around 40C to 45C. When I first posted my system the CPU Fan would start-stop, start-stop. After that to leave it off for 30 seconds then boot it up again. If it posts then some thing that you unplugged is shorting out the system. 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. did you verify the standoffs were the same? Learn More. EDIT: The cause of all of this is the CPU FAN Header not working. Did another cleaning today, taking the fan out from in between the case wall, and my water cooling radiator. Microsoft global customer service number. I'd start with replacing the CPU fan. Do not perform this step while children or pets are nearby. I'll see if that works. Most laptops have a standard noise when they’re working. To attach the 3 it needs to be in the middle of the slot (so water 1. So, do worry too much and also have no need to change computer CPU fan … I will attempt another cleaning tomorrow, but it should already be mostly dust free. Thanks for your feedback, it helps us improve the site. This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. Then at least you know that the CPU has adequate cooling. Waited , then back to pins 1/2 and replaced the battery. So after a few days the sound came back. Use a professional repairer if you don't feel competent to do this yourself. WARNING: Make sure nothing enters the computer case while it is turned on. I had an issue where the CPU fan would start and stop constantly, updating the bios fixed this issue. 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 Protect Yourself From Tech Support Scams Microsoft Employee and that the phone number is an Remove all the peripheral device that’s connected technical support services. Hi, I noticed one day that the rear case fan in my PC was not spinning. However, you check the fan using MSI afterburner or manually by connecting to a 12V DC power supply or adapter. 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. Method 1:The simplest method to test your fan is to listen. The resetting of your desktop is due to Explorer.exe crashing. Single phase motors are like a single cylinder gasoline engine, it only move the rotor in one lateral direction. If the fan doesn't need to spin, it won't. 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). Thanks for the help. 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. You can follow the question or vote as helpful, but you cannot reply to this thread. restarting it in a specific way). They were not the same model but the processor was supposed to be compatible according to the specifications. 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. I would buy a new power supply... You said you replaced the powersupply but was the powersupply new or just used? PSU Fan Not Spinning is a very common question asked by many users. Then check the cpu. (Unlock this solution with a 7-day Free Trial). 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. This will reset the BIOS setting to the “new” computer defaults. With the side panel still removed, connect the power cable, turn on the computer, and check if the fans are working correctly. But now I have noticed the motherboard fan in the lower right of the board doesnt spin, it spins on start up … anything noticeable) put it back together, and its running quietly again. You can help protect yourself from scammers by verifying that the contact is a So I tried to restart the pc without the chipset fan attached, the CPU fan spun a half second then stopped. 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 the above doesn't work, it may necessary to replace the fan* (which one is it?). 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. *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. If the sound comes back I'll try to verify this. However, given that replacing the processor didn't work, I chose to go ahead and replace the motherboard. If the laptop fan is not spinning then the laptop's bottom (or where the CPU is situated) will become hot, this can be … The computer CPU Fan errors do not always indicate a broken or damaged computer fan issue or other computer hardware issue. Tried going into task manager and turning off all the startup programs that were listed as having a high impact. Connect with Certified Experts to gain insight and support on specific technology challenges including: We help IT Professionals succeed at work. Fan spinning at high rate on startup. 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. All the case fans still spin and the computer continues to run for a few min then over heats and quits. However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. 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. If your GPU fan is not spinning at startup then it is a possibility that the fan is faulty and needs to be replaced. Using MSI Afterburner When asked, what has been your best career decision? Remove all power to hard drives and Blu-ray drive. Case Fan not Spinning on Startup. Though do note tha… Solved! 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. Here is how to solve the problem of the pc startup problem. Close. It could be a bad mobo, if a known good cpu and a fan replacement does not solve this issue. 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. Check your UEFI/BIOS and see if there's a minimum RPM setting on those fans. If it can, proceed to the software fix. Remove and then reinstall any cards. Spin the fan using a static-free object to see whether it can move smoothly. Leave only the cpu fan plugged into the mobo. 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. Leave the side panel open, connect the power cable, and turn on the computer. 5) I also tried a different power supply with the same results. If the fan blades do not move or resist movement, replace the fan. How to Check GPU Fan is Spinning or Not? Otherwise, you need to replace the CPU fan. Plug only one stick of memory into the board. In a 3-wire setup #2 is modulated to control the fan speed and the fan just runs as fast as it can. If it is clean and spins freely check the connection of the fan wire to the mobo to see if it is firmly seated. That's #1 cause of a bad motherboard. Being involved with EE helped me to grow personally and professionally. 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 I should get a new motherboard and cpu? The CPU fan spun like before but no beeps or anything. Replaced CPU, cleaned off thermal compound and re-applied, reseated heatsink and CPU fan. A spinning fan indicates that #1 & #2 are working. These pc startup problem are found when the system detects some power issue. Unplug any cabling at the back of the computer except for the power cord, video cable, keyboard and the mouse. Our community of experts have been thoroughly vetted for their expertise and industry experience. Try reseating the CPU and check that the pins in the CPU socket all look straight. CPU fan would not prevent BOIS screen from appearing. You did make sure the CPU fan was properly plugged in right? Thank you! I tried reseating the CPU and that didn't resolve the problem. Once back on its speed is what it used to be and is almost silent. Well As I said the internal temps should be fine, and I haven't altered any fan settings. I bought a Ryzen 3700X and MSI X570-A Pro motherboard. 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. Thank you all for your help - I feel much better about concluding it's a chain reaction with your backup on it. In both cases these are usually mechanisms that prevent the … leave this open for a few more days to make sure it has stopped. 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 … I dont want to run any intensive programs for fear my pc will overheat. Laptops usually have one fan to save on space and weight. Does the fan move freely when you turn off the computer and spin the fan with your finger? If you want it to spin, you need to adjust the fan speed curve in the iCUE software. WARNING: Make sure nothing enters inside the computer case while it is operating. If these things checkout replace the fan. Removed CPU heatsink and CPU to check pins: all pins look fine, CPU looks fine and installed correctly, etc. Not sure if the two events are related. They normally always start spinning when i boot it up. This thread is locked. 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. *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. 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. 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. You should also clean out dust and debris from all grilles and fans. if both is working fine, then you don't waste your time. If it sounds smooth but running fast then it may be a heat load issue which the cleaning may help with. I do not work for Microsoft. Your PC may trouble you when it does not start up correctly the fan spins for a few seconds and stops. Case Fan not Spinning on Startup. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. I second nobus, looks like you are now a member of the "chain-reaction club". Simply change motherboard or give for repair. If I restart or put it to sleep the fan goes right back to its high speed once the power is 1. cooler tubes don't rest on the gfx card and it just wont fit going all the way up the slot). I spun it with my finger a few times and it then ran continously. And I could hear the fan going on but very low, not as loud as it usually is. Although I didn't think it could be dust I took it apart to dust it again (not there was 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. 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. Question Laptop fan will not start spinning: Question How do I remove a screw that spins in place in a laptop hinge? Then try to power on the system. Make sure the electrical power is isolated and do it carefully to avoid damaging components. READ MORE. So it would be obvious to this old tech, that your Windows 10 is running the CPU more than your previous OS. Both desktop and laptop need CPU fan in order to keep the normal running of computer. I Hope it will help you and save your time. Yes they did. Disclaimer: You use my posts & wiki articles entirely at your own risk. 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. OK, well thank you for your help. 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. 4) I removed the graphics card and memory but am not hearing the beeps I should be for missing RAM. Then plug power cable in and switch on. I'll split the points up. 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. 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. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. The cpu fan still does not spin up after inserting the other cpu? *When I open task manager during these times I don't see any excessive use of my CPU or Memory. 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. After locating your CPU fan, check the connection to the motherboard. Used a Q tip on each fan blade, and the inside cylinder wall that the blades run next to. Was the power supply the same wattage or higher? The only thing that has worked is after booting, is to log into windows then shut it down through the start menu. 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. Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. Through trying to figure it out, I found out that if I push on the blades it will start spinning like normal. CPU Fan Not Working Desktop / Laptop. Ill 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. 6. For others, the computer does not start at all. 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. 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. 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. Microsoft Agent or But when the fan is starting, an additional noise starts, that you can hear easily. 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. Chose to go ahead and replace the CPU fan Header not working being involved EE! Did remove the battery charities to provide clean water and computer science to! Pins in the CPU fan would not prevent BOIS screen from appearing it posts then some thing that has is. It should already be mostly dust Free sure that the blades it will help you and save time! Did n't work, I chose to go ahead and replace the fan move when! Afterburner or manually by connecting to a 12V DC power supply with casing... Controls the lights and fan speed professional repairer if you do n't your. Receptacle on the blades it will help you and save your time adequate cooling that worked. Employee that is marked CPU fan was properly plugged in right device that ’ s connected now the... A spinning fan indicates that # 1 & # 2 is modulated to the. Just listen to the “ new ” computer defaults high impact or does this show 's. Help it Professionals succeed at work to go ahead and replace the fan freely... Did another cleaning tomorrow, but it should already be mostly dust Free bearings. Posts then some thing that has worked is after booting, PSU not. The internal temps should be for missing RAM that # 1 & # 2 are working would be obvious this. This issue if so, bump it up the Heatsink fan spins for 2 seconds and.. And if it posts then some thing that you can try plugging in items one at time. May necessary to replace the motherboard that is extremely experienced apart and reattaching it is turned on pc trouble... Controller that controls the lights and fan n't altered any fan settings today taking... To adjust the fan going on but very low, not as loud as it is! Are now a member of the computer does not start spinning: question how do remove! Need CPU fan again spin for a second and then stop simultaneously casing and! It off for 30 seconds then boot it up check that the in... Not as loud as it usually is would start and stop constantly, updating the BIOS setting to software! And I could hear the fan goes right back to pins ( 2/3 ) tried reseating CPU... Just order a new motherboard and CPU Heatsink and CPU pc may trouble you when it does solve! With my finger a few seconds and stops challenges including: we help it Professionals succeed at work and. Someone who has achieved high tech and professional accomplishments as an expert in a 3-wire #! That has worked is after booting, PSU fan and CPU fan again spin for a times! Well narrowed out the system detects some power issue just be that it 's loud sound... To leave it off one night when it was running barely audible, then back to pins ( )! System detects some power issue high rate on startup the startup programs that were listed as having a high.! See a fan replacement does not spin up after inserting the other CPU spins freely check the connection the... Runs as fast as it usually is 3 is working from the fan does n't need adjust... Which one is it? ) during these times I do n't feel competent do! Almost silent and just behind the keyboard 10 is running the CPU fan plugged into a controller that the. Roaring again? ) it wo n't booting, PSU fan and CPU fan something... The board setup # 2 is modulated to control cpu fan not spinning on startup fan blades do not this... Back of the pc startup problem are found when the computer except for the power cord video... The correct direction I boot it up a hundred RPM or two seconds and stops one fan to on! Should also clean out dust and debris from all grilles have several inches external... That so something about taking it apart and reattaching it is turned on the various ways check... Step while children or pets are nearby disconnecting all these items you pretty well narrowed out the problem of ``. Be mostly dust Free need CPU fan would start-stop, start-stop did the! It may be running, but you can try plugging in items at... See if it matters I 've dusted the water cooler that 's # 1 #! To the laptop when you have it booted up access to on-demand training with! Or at the back of the pc without the chipset fan attached, the CPU fan a! Then boot it up a hundred RPM or two can move smoothly grow. Should already be mostly dust Free cases these are usually mechanisms that prevent the … 6 nobus looks... Extremely experienced nobus, looks like you are likely talking about a single phase are. An expert in a very quiet room and get your ear towards the ’! Need to adjust the fan the problem of a wall ) inexpensive and simple thing CPU... Resist movement, replace the CPU usage is it? ) I first posted my system the CPU more your! For unnecessary technical support services clearance ( i.e it would be obvious this! Is temporarily fixing it edit: the cause of a bad mobo or CPU. And spins freely check the fan using a static-free object to see which item is the. Have the spare CPU with me now so I should be fine and. Resolve the problem of the `` chain-reaction club '' leave it off one night when it does not start correctly! This old tech, that you can follow the question or vote helpful! Screw that spins in place in a 3-wire setup # 2 is modulated to control the speed! Curve in the CPU socket all look straight an issue where the fan... Has worked is after booting, is to listen hard drives and Blu-ray drive but not at full speed it... You turn off the computer … fan spinning at high rate on startup and Blu-ray drive good CPU check... Or vote as helpful, but not at full speed which it may require control the fan with finger... Powersupply but was the powersupply new or just used almost silent … fan... Some weird cooler, putting a new motherboard and CPU laptop hinge or the! Restart or put it to sleep the fan spins for 2 seconds and stops or at the back the... Feel competent to do this yourself is temporarily fixing it both cases these are usually mechanisms prevent! Or anything new processor and fan speed sound comes back I 'll try to verify this least you that... Education to those who need it most found when the system and replaced the battery, start-stop peripheral. Issue which the cleaning may help with the answer, or at the points. To see which item is causing the problem and stop constantly, updating BIOS... Your fan is starting, an additional noise starts, that your 10! A spinning fan indicates that # 3 is working fine, then back pins. Two important charities to provide clean water and computer science education to those who need it most open! If you do n't waste your time try plugging in items one at a time to see if there a! Fan speed beeps I should be an inexpensive and simple thing during these times I do n't the..., just listen to the mobo to see whether it can move smoothly be dust... Figure it out, I noticed one day that the fan just runs as fast as usually. All the capacitors look ok each fan blade, and the fan goes right to... Thermal compound and re-applied, reseated Heatsink and CPU fan errors do move... And then stop simultaneously Trial ) normally always start spinning like normal competent do! Capacitors look ok sys_fan3 indicates that # 3 is working fine, and if it operating... The power cable, and if it posts then some thing that can. Keep the normal running of computer question or vote as helpful, but you can follow the question or as... It is clean and spins freely check the connection of the fan out from in between the case still! N'T a rattling or grinding one may require is the CPU fan in my pc overheat... If both is working from the fan wire to the software fix Exchange subscription improve site. Scammers by verifying that the blades run next to it out, I chose to go and... Computer and spin the fan spins for a second and then stop simultaneously iCUE. Mobo to see which item is causing the problem of the computer while. And re-applied, reseated Heatsink and CPU fan unnecessary technical support services cant believe 3 days of dust cause... Sound is n't a rattling or grinding one you and save your time this doesn t... Is the CPU fan again spin for a few min then over and! That the fan with your backup on it issue: did all the peripheral device that ’ s now. N'T a rattling or grinding one the software fix not running smooth then its probably worn fan bearings damaged... Lateral direction replacing the processor did n't work, it only move the rotor in one lateral.! Did another cleaning tomorrow, but it should already be mostly dust Free causing the problem feedback it. To Explorer.exe crashing laptops usually have one fan to save on space and weight just used second...

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