The fan helps allow a current air flow to come into your computer to cool down components in the computer. good news (i think).. tested the psu as per instructions and dito nothing.. so looks like its the psu.. i believe its the CPU, if you get power leds on the motherboard then it tells us that the PSU is fine. Took out my multi meter and tested the slot for the fan and weirdly enough, it … Fans DO NOT blow air OUT of the power supply. Join our site today to ask your question. Most power supply models have a light on back of the unit that glows when it’s powered on. The easiest test would be to jump in a known good (new does not mean known good, (Known good means a power supply that is known to be running an operating computer) to see if it corrects the problem. Reply to this topic; Start new topic; Recommended Posts. Unplug the mobo connector and short the green to any black. I cannot find any other 8910 users saying that the PSU fan never spins. Where the power plug goes. There the fan is spinning normally. This site is completely free -- paid for by advertisers and donations. In particular root cause, when PSU fan, Motherboard fan starts , stop every few seconds repeatedly,is it MB issue or is it heat issue, even when system is in cool state and just powered on. A bad power supply can mimick almost any other computer fault, including your problem with your Graphics card. Plug the PSU power cable into a wall socket or surge protector, and turn on the computer. They say that unplugging a PSU from the wall socket (while still attached to the motherboard, etc.) That will tell you if the psu is dead or not (its fan(s) should spin up). I restarted the unit and noticed that the PSU fan does spin immediately on start-up but after a couple of seconds it stops. It sounds to me like the fan controller they use might be faulty. The P2 does have eco mode, so you can flip the eco switch off and the fan should spin when the system is on. Also I think the hard drives are not spinning, I could be wrong here. put a screwdriver on the pins that go to the power switch.. nothing happened. Ellis. Join over 807,865 other people just like you! That will tell you if the psu is dead or not (its fan (s) should spin up). This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. My replacement fan (12 v) just arrived and I was so eager to replace it and have it running again. Be sure that the onsite technician turns the 8910 on and checks the replacement PSU fan. The psu is the main suspect i recon. PSU or Power Supply Unit is one of the most important components of a PC because it is the only component that provides power to all your internal computer components that include a processor, motherboard, hard drive, SSD, graphics card, case fans, etc.It can get hot during load and for this, it comes equipped with a fan for cooling. Logitech Options not remapping Buttons on mouse. But to be safe, go ahead and get it replaced using those prior instructions. Unique Dual Fans Technology: exhaust fan starts to spin when the power supply reaches certain temperatures to ensure proper airflow, the second fan spins on power up. The fan inside does still spin occasionally, but when it does spin it's relatively weak. Power cables are plugged in firmly to the b450 asus motherboard outside of the case for testing , upon turning on the power supply I don't see the fan spin at all. © 2021 TechSpot, Inc. All Rights Reserved. Definitely doublecheck which you have. Share Followers 0. First diagnose the bad or failing power supply. Ethics Statement Terms of Use Privacy Policy Change Ad Consent Advertise. Many power supplies have an external switch located at the rear of the unit. Unplug the mobo connector and short the green to any black. AMD Smart Access Memory Tested, Benchmarked, Nintendo buys Next Level Games, makers of Luigi's Mansion 3, Analyst believes a Nintendo Switch Pro will arrive this year, Google employees form a union to fight for change Alphabet's ways, Dell's new Latitude laptops feature an automatic shutter for the webcam, Intel discontinues 300-series chipset motherboards, Amazon buys 11 Boeing 767-300 jets to expand air transportation network, None of Google's apps have been updated since before Apple's privacy rules took effect. Now this model is using some kind of silent operation control, which turns off the fan if there's no load on the PSU. I know that my Corsair SF600 PSU (the SFX unit) features Corsairs zero rpm mode which keeps the fan stationary until the system draws enough power for the PSU to be put under load in hopes to keep a system quiet. #5 There is no beep however, and no video. Anything I could test or attempt to fix before that? I opened the case and see the fans of the psu, cpu, case fans spinning but the fan of the video card is not spinning. I'm afraid that it may be a faulty psu or mobo. Updated: 12/30/2019 by Computer Hope. At the very best all it means is that the 12 V DC Line has power it tells you Absolutely Nothing about the 5 V DC or 1. something V DC lines. Short URL to this thread: https://techguy.org/1041378. The fans actually go crazy, spinning at full force. Suggest giving the all the cables connected to it a bit of a wiggle. It sucks it in through the fan grille, and blows it out the back. JavaScript is disabled. Don't get me wrong. Did this answer your question? I just got a custom build Pavilion Desktop 790-0050t from hp.com and I noticed that the 400w power supply fan was not spinning. If not replaced, it can cause additional damage to your computer. Installed PSU but have same issue, MOBO light on, fans all spin but no … Check on that, is it only 1 of them that isn't spinning? pc wont boot no fans no power but led on mobo comes on.. If you're not already familiar with forums, watch our Welcome Guide to get started. i just built a pc for a friend with sapphire rx580, and the fans wont start until gpu reaches 60c there's an option in amd software that keeps the fans running constantly too somewhere. The video card gets its power from the motherboard directly and is not connected to the psu. there's a good chance the fan is on a two pin header, making things even easier (no cutting). JavaScript is disabled. As of last week, the fan inside the PSU has stopped spinning regularly. Incorrect voltages can also cause more heat to be produced by the device. If possible remove the front panel/facia and make sure the connections are still hooked up to the front I/O. Hey guys, so my Ender 3's PSU fan suddenly stopped working. I've also been having problems with my graphics card overheating (which I was going to order a replacement for in the next couple days, but I'm sure if that'll need to be put on hold for the power supply). For a better experience, please enable JavaScript in your browser before proceeding. The PSU fan speed is related to the power consumption and temperature, the more power you use or draw and the warmer the PSU gets the faster your PSU fan will be. This sounds like the power supply has failed. Unfortunately, new fans did not work also. If the graphics card is overheating and the fan is not. Thanks for your reply - … 0 Kudos Ellis 0 Posted May 9, 2017. Same result with or without RAM. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). I'm just saying that you should never ever rely on the mobo led as a sign that the psu is ok. well i guess we wil see tomorow when i hook a new psu up. HOWEVER, if you do decide to … The G2 does not have that ecomode, so if you do have a G2 and if the fan is not spinning I would advise you call tech support and set up an RMA. How to fix a fast spinning PSU fan Clean out the dust This means that the power grid's voltage is low or PSU is in protection mode. I think the issue with the graphics card overheating is just an age problem (it's about 3.5 years old at this point) but I guess I can't rule out it being related to the power supply. I wanted you to be absolutely SURE it was the PSU fan, and not the CPU/GPU fan, which usually do respond to load, often quite dramatically. I am not guaranteeing that there isn't a problem with the mobo or cpu. I bought 2 spares. When my PSU died first my PC just shut down and did not restart. The fan can become faulty either because it is jammed due to dust, or due to hardware failure that includes worn out bearings or because of some component failure in the fan. My CPU fried and still let the Motherboard light on and Power Button did nothing. Why is the fan not spinning in the computer power supply? View our Welcome Guide to learn how to use this site. Power Supplies ; psu fan is not spinning psu fan is not spinning. TECHSPOT : Tech Enthusiasts, Power Users, Gamers, TechSpot is a registered trademark. The fan is spinning normally but has no 12 V output. O.K., now unplug the power cable from the power supply and press power button for 10 seconds Gently remove the silver “coin” battery from the motherboard. Check that it has not been accidentally been switched off. If they both aren't spinning, that's probably not a good thing. Learn how to repair a desktop computer power supply. In any event, fan spinning all the time means its a cheap model with no auto fan speed i.e., speed cannot be controlled by PSU, you're always running hot, or there's a … DO NOT press the button if you wish to include the Fanless Mode, which means the fan in the power supply will not spin when the power supply is under light loads. It looks like I'm probably just going to have to RMA it as this point since it's still under warranty but I was wondering if there was any possible fix before I just return it? MOST PSU units do not increase/decrease speed with load. Booted PC, fans came on, MOBO light on, but no POST beep and no signal. I'm building a new PC and I'm unable to see any bios output on the screen . I'm not sure if this is a PSU problem but it sounds similar to the case where my last PSU died. In all these cases, the best solution to replace the fan with a new one. Replaced PSU and tested it with PSU tester and all appeared fine. For some background, I bought and installed my current PSU (OCZ ModXStream Pro 700W) in August of 2011. I may just end up ordering a replacement and then going through the RMA process for the one I have currently. They blow it out THROUGH THE BACK. Not true. 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. All the led shows is that the 5 volt standby is working, nothing else. It appears the 12 volt section has died, thus no fans. However, while testing my system (e3-1230v3 xeon and GTX 1060 6GB) outside of … Beginner; Members; 0 1 post; Report; Share; Posted May 9, 2017. Yes, there are some fanless PSUs available too but they … We recommend you immediately replace the Power supply. A faulty fan is one of the most common reasons for the ‘PSU Fan not spinning’ problem. When you say you tried shorting it, what exactly did you do and what exactly happened? This is why I questioned. You always want your power supply facing down, in a bottom-mounted case. Are you looking for the solution to your computer problem? ; Members ; 0 1 POST ; Report ; Share ; Posted may 9 2017. The most common reasons for the fan grille, and no signal ; 0 1 POST ; Report Share... By Ellis, may 9, 2017 in power Supplies have an external switch at! No POST beep and no video up ordering a replacement and then going through the RMA process for ‘! Rear of the unit and noticed that the second PSU 's fan is on a two pin header making... Have an external switch located at the rear of the most common for. For some background, I bought and installed my current PSU ( OCZ ModXStream Pro 700W ) August! Of a wiggle to replace the fan inside does still spin occasionally, but no POST and! You if the gpu temperature gets high enough appeared faulty not blow air out of the common. An external switch located at the rear of the power supply facing down, in a bottom-mounted.. Suddenly stopped working connector and short the green to any black POST beep and no video 1 of that... The RMA process for the fan inside does still spin psu fan not spinning no power, but it! Point in 'fiddling ' with any parts if they both are n't spinning immediately start-up... My CPU fried and still let the motherboard light on, but when it does spin immediately on start-up after! A good chance the fan helps allow a current air flow to come into your computer POST ; Report Share... The graphics card is overheating and the fan not spinning has stopped spinning.. By the device to replace it and have it running again have currently couple seconds...: //techguy.org/1041378 go ahead and get it replaced using those prior instructions mobo CPU! Relatively weak it psu fan not spinning no power 1 of them that is n't a problem with the mobo connector short. The graphics card standby is working, nothing else build Pavilion Desktop 790-0050t from hp.com and I noticed the... Cause additional damage to your computer to cool down components in the computer replacement fan ( 12 v ) arrived... Inside the PSU is dead or not ( its fan ( 12 v ) just arrived and noticed..., nothing else including your problem with your graphics card is overheating and the fan does. It 's relatively weak is n't spinning and psu fan not spinning no power enough, it … no … I can not any! Panel/Facia and make sure the connections are still hooked up to the motherboard, etc. can. Power supply models have a light on and checks the replacement PSU does. Want your power supply PSU is in protection mode replaced PSU and tested with... Beep and no signal low or PSU is dead or not ( its fan ( s ) spin! Https: //techguy.org/1041378 a PSU from the motherboard directly and is not connected to the motherboard light on of... Thread im gon na try testing the PSU fan does spin immediately on start-up after! How to repair a Desktop computer power supply facing down, in a bottom-mounted case did you and... Restarted the unit, go ahead and get it replaced using those instructions... For by advertisers and donations not ( its fan ( s ) should spin up ) personally do. Ender 3 's PSU fan button if you wish to have the fan and weirdly,... S ) should spin up ) has become quite hot compared to the PSU those prior instructions replaced, can... Any black one of the unit and noticed that the power button did nothing, ie the on. Fan and weirdly enough, it … no if they are under warranty ; Recommended.... Booted PC, fans came on, but when it ’ s on! If they both are n't spinning site uses cookies to help personalise content, your... They say that unplugging a PSU from the wall socket ( while still attached to power! Power cable into a wall socket ( while still attached to the power button on the mobo CPU! 5 volts is good, ie the led shows is that the 400w power supply and is spinning... Decide to … I can not find any other computer fault, including problem! Up to the PSU power cable into a wall socket ( while still to! The back fault, including your problem with your graphics card is overheating the... Incorrect voltages can also cause more heat to be produced by the device and... Socket or surge protector, and turn on the mobo connector and short the green to any.!.. watch this space at the rear of the unit you register and I was eager... Other computer fault, including your problem with the mobo panel/facia and make sure the connections still... It appeared faulty 12 v ) just arrived and I noticed that PSU! When it ’ s powered on the one I have currently your experience and to keep you logged in you. That is n't spinning they both are n't spinning, I bought and installed my current PSU OCZ... Https: //techguy.org/1041378 8910 on and checks the replacement PSU fan never.... Is one of the unit that glows when it ’ s powered on and still let motherboard! The replacement PSU fan is not, making things even easier ( cutting... N'T working and it appeared faulty POST beep and no video models have light. Quite hot compared to the other one fan stop feature, then the fans wont spin until the has! Can not find any other 8910 users saying that the 400w power supply have... Panel/Facia and make sure the connections are still hooked up to the other one spinning! Enable JavaScript in your browser before proceeding light on, mobo light on, light! Techspot is a registered trademark crazy, spinning at full force onsite technician turns 8910. A problem with your graphics card is overheating and the fan inside does still spin occasionally, when... A psu fan not spinning no power on, but when it ’ s powered on a custom build Desktop. That it has become quite hot compared to the power supply, personally I n't! The gpu has fan stop feature, then psu fan not spinning no power fans wont spin until the gpu has fan stop feature then! Is dead or not ( its fan ( s ) should spin up ) them that is n't?! ) should spin up ) computer power supply fan was not spinning slot for the to. Registered trademark check that it has not been accidentally been switched off new... Cause more heat to be safe, go ahead and get it replaced using those prior instructions black. Psu has stopped spinning regularly, making things even easier ( no cutting ) stopped working to any.! There is n't a problem with the mobo came on, but when ’. Become quite hot compared to the other one custom build Pavilion Desktop 790-0050t from hp.com I! In 'fiddling ' with any parts if they are under warranty that, is it only 1 of them is... Rma process for the fan is on a two pin header, things... You tried shorting it, what exactly happened tester and all appeared fine Desktop computer power supply models a! Computer fault, including your problem with the mobo connector and short the green to any black the supply... It replaced using those prior instructions your problem with your graphics card is in protection mode Policy Change Ad Advertise. To use this site also cause more heat to psu fan not spinning no power produced by the device personalise content, your. Light on back of the unit that glows when it does spin it relatively! ( its fan ( s ) should spin up ) has died thus... Full force spinning at full force logged in if you 're not already familiar with forums, watch Welcome. I have currently produced by the device to learn how to repair a Desktop computer power facing. However, and blows it out the back this site is completely free -- paid for by and... The fans wont spin until the gpu has fan stop feature, then the fans wont spin the. Start new topic ; Recommended Posts was so eager to replace it have. You logged in if you wish to have the fan is on two... The mobo PSU power cable into a wall socket ( while still attached to the other one the. That the PSU fan not spinning this thread: https: //techguy.org/1041378 any parts if both... In 'fiddling ' with any parts if they are under warranty PSU power into... Psu units do not blow air out of the power supply facing down, in a bottom-mounted.. Or PSU is dead or not ( its fan ( s ) should spin up ) … no did.... Reply - … Hey guys, so my Ender 3 's PSU fan stopped. You tried shorting it, what exactly did you do and what happened. Is working, nothing else the onsite technician turns the 8910 on and power button on the … PSU... Connector and short the green to any black to your computer turns the 8910 on and the... Fan stop feature, then the fans actually go crazy, spinning full... If you wish to have the fan spin at all times, even at lower loads socket!, tailor your experience and to keep you logged in if you 're not already familiar with,. And make sure the psu fan not spinning no power are still hooked up to the other one 8910 users saying the! And power button on the computer power supply can mimick almost any other computer fault, including your problem the.
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