I'd start with replacing the CPU fan. EDIT: The cause of all of this is the CPU FAN Header not working. So, do worry too much and also have no need to change computer CPU fan … Most laptops have a standard noise when they’re working. 4) I removed the graphics card and memory but am not hearing the beeps I should be for missing RAM. Do not perform this step while children or pets are nearby. 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. Method 1:The simplest method to test your fan is to listen. Simply change motherboard or give for repair. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary If the fan blades do not move or resist movement, replace the fan. In a 3-wire setup #2 is modulated to control the fan speed and the fan just runs as fast as it can. did you verify the standoffs were the same? I turned it off one night when it was running barely audible, then started it up the following morning to it roaring again. Also make sure that all grilles have several inches of external clearance (i.e. Thank you all for your help - I feel much better about concluding it's a chain reaction with your backup on it. If your GPU fan is not spinning at startup then it is a possibility that the fan is faulty and needs to be replaced. Then try to power on the system. 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. So I tried to restart the pc without the chipset fan attached, the CPU fan spun a half second then stopped. You can help protect yourself from scammers by verifying that the contact is a 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. technical support services. 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. Here is how to solve the problem of the pc startup problem. PSU Fan Not Spinning is a very common question asked by many users. I don't have the spare cpu with me now so I'm planning to just order a new processor and fan. Try reseating the CPU and check that the pins in the CPU socket all look straight. 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. If after disconnecting all these items you pretty well narrowed out the problem of a bad board. 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. If the sound comes back I'll try to verify this. So I should get a new motherboard and cpu? Otherwise, you need to replace the CPU fan. 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. This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. I tried reseating the CPU and that didn't resolve the problem. Lastly, although it's loud the sound isn't a rattling or grinding one. Double check. If it can, proceed to the software fix. 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. *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. I'll split the points up. And I could hear the fan going on but very low, not as loud as it usually is. You can follow the question or vote as helpful, but you cannot reply to this thread. technical support services. Listen to the above audio clip, this is how a laptop fan sounds; in case you’re not able to differentiate between different sounds. 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. If the laptop fan is not spinning then the laptop's bottom (or where the CPU is situated) will become hot, this can be … Not sure if the two events are related. It is like having another employee that is extremely experienced. Microsoft Employee and that the phone number is an If the fan doesn't need to spin, it won't. Ive dusted the fan, and if it matters I've dusted the water cooler that's attached to it. I second nobus, looks like you are now a member of the "chain-reaction club". If I restart or put it to sleep the fan goes right back to its high speed once the power is
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. 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. Single phase motors are like a single cylinder gasoline engine, it only move the rotor in one lateral direction. Posted by 4 hours ago. These pc startup problem are found when the system detects some power 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 fast and is extremely loud. Laptops usually have one fan to save on space and weight. 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. If the above doesn't work, it may necessary to replace the fan* (which one is it?). 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. 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. 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. Close. 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. Yes, just listen to the laptop when you have it booted up. Once back on its speed is what it used to be and is almost silent. Hardware. 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. Experts Exchange always has the answer, or at the least points me in the correct direction! This will reset the BIOS setting to the “new” computer defaults. If you want it to spin, you need to adjust the fan speed curve in the iCUE software. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary 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. Fixing the Software Errors Using MSI Afterburner As the following did not solve the issue: Did all the capacitors look ok? You did make sure the CPU fan was properly plugged in right? I dont want to run any intensive programs for fear my pc will overheat. When asked, what has been your best career decision? I had an issue where the CPU fan would start and stop constantly, updating the bios fixed this issue. You can help protect yourself from scammers by verifying that the contact is a, official 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 … The computer CPU Fan errors do not always indicate a broken or damaged computer fan issue or other computer hardware issue. 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. After locating your CPU fan, check the connection to the motherboard. 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. The cpu fan still does not spin up after inserting the other cpu? But when the fan is starting, an additional noise starts, that you can hear easily. Unplug any cabling at the back of the computer except for the power cord, video cable, keyboard and the mouse. 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. With the side panel still removed, connect the power cable, turn on the computer, and check if the fans are working correctly. Spin the fan using a static-free object to see whether it can move smoothly. official In both cases these are usually mechanisms that prevent the … Remove and then reinstall any cards. 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. *If the fan sounds like its not running smooth then its probably worn fan bearings or damaged vanes. They normally always start spinning when i boot it up. Would that have caused a problem? Remove all the peripheral device that’s connected I cant believe 3 days of dust could cause that so something about taking it apart and reattaching it is temporarily fixing it. 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
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. 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. 5) I also tried a different power supply with the same results. Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. Was the power supply the same wattage or higher? I spun it with my finger a few times and it then ran continously. Case Fan not Spinning on Startup. Well As I said the internal temps should be fine, and I haven't altered any fan settings. Our community of experts have been thoroughly vetted for their expertise and industry experience. cooler tubes don't rest on the gfx card and it just wont fit going all the way up the slot). If it sounds smooth but running fast then it may be a heat load issue which the cleaning may help with. 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. 1. How to Check GPU Fan is Spinning or Not? If everything checks out and you have already replaced the fan the problem could be a bad mobo or a cpu. Thanks for your feedback, it helps us improve the site. The CPU fan spun like before but no beeps or anything. 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. Learn More. Are you absolutely sure that the CPU fan is plugged into the receptacle on the motherboard that is marked CPU Fan? Protect Yourself From Tech Support Scams
Make sure to move in a very quiet room and get your ear towards the laptop’s bottom and just behind the keyboard. Did another cleaning today, taking the fan out from in between the case wall, and my water cooling radiator. During the boot process, they might see a fan error. Make sure the electrical power is isolated and do it carefully to avoid damaging components. OK, well thank you for your help. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. 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. Capacitors look ok computer case while it is clean and spins freely check the of! Into a controller that controls the lights and fan speed curve in the CPU fan properly! Sys_Fan3 indicates that # 1 cause of all of this is the CPU fan does. ” computer defaults the power cable, keyboard and the inside cylinder wall that the CPU adequate! 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