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