Press the button if you wish to have the fan spin at all times, even at lower loads. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check … Unplug the mobo connector and short the green to any black. 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. It sucks it in through the fan grille, and blows it out the back. Just commenting my thought! The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). replacing psu fans is easy. Logitech Options not remapping Buttons on mouse. 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. Don't get me wrong. there's a good chance the fan is on a two pin header, making things even easier (no cutting). Booted PC, fans came on, MOBO light on, but no POST beep and no signal. They blow it out THROUGH THE BACK. Same result with or without RAM. By Ellis, May 9, 2017 in Power Supplies. How to fix a fast spinning PSU fan Clean out the dust Join our site today to ask your question. This site is completely free -- paid for by advertisers and donations. 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 … HOWEVER, if you do decide to … We recommend you immediately replace the Power supply. For some background, I bought and installed my current PSU (OCZ ModXStream Pro 700W) in August of 2011. When my PSU died first my PC just shut down and did not restart. I restarted the unit and noticed that the PSU fan does spin immediately on start-up but after a couple of seconds it stops. 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). There the fan is spinning normally. 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. If the graphics card is overheating and the fan is not. 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. A bad power supply can mimick almost any other computer fault, including your problem with your Graphics card. As of last week, the fan inside the PSU has stopped spinning regularly. Check on that, is it only 1 of them that isn't spinning? But to be safe, go ahead and get it replaced using those prior instructions. JavaScript is disabled. No. 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. Power Supplies ; psu fan is not spinning psu fan is not spinning. and then pressing the power button on the … Now this model is using some kind of silent operation control, which turns off the fan if there's no load on the PSU. If not replaced, it can cause additional damage to your computer. 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. Took out my multi meter and tested the slot for the fan and weirdly enough, it … I may just end up ordering a replacement and then going through the RMA process for the one I have currently. 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. RMA the power supply, personally I don't see the point in 'fiddling' with any parts if they are under warranty. ye i just found the thread im gonna try testing the psu.. watch this space. Ellis. 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. JavaScript is disabled. 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 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. They say that unplugging a PSU from the wall socket (while still attached to the motherboard, etc.) if the gpu has fan stop feature, then the fans wont spin until the gpu temperature gets high enough. Share Followers 0. pc wont boot no fans no power but led on mobo comes on.. Use a multimeter and check the voltage of the PSU > Use a multimeter to check that the current voltage is above 205 V to confirm that the PSU can start. Why is the fan not spinning in the computer power supply? If possible remove the front panel/facia and make sure the connections are still hooked up to the front I/O. It sounds to me like the fan controller they use might be faulty. Reply to this topic; Start new topic; Recommended Posts. If you're not already familiar with forums, watch our Welcome Guide to get started. I'm not sure if this is a PSU problem but it sounds similar to the case where my last PSU died. Most power supply models have a light on back of the unit that glows when it’s powered on. Checked PSU with PSU tester and it appeared faulty. First diagnose the bad or failing power supply. 0 Kudos 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. If they both aren't spinning, that's probably not a good thing. Updated: 12/30/2019 by Computer Hope. The video card gets its power from the motherboard directly and is not connected to the psu. Also I think the hard drives are not spinning, I could be wrong here. Be sure that the onsite technician turns the 8910 on and checks the replacement PSU fan. My replacement fan (12 v) just arrived and I was so eager to replace it and have it running again. Beginner; Members; 0 1 post; Report; Share; Posted May 9, 2017. But I did get some small movement in the fans only after I had turned the PSU off and pushed the power button the first time to try to turn on the PC. You always want your power supply facing down, in a bottom-mounted case. In all these cases, the best solution to replace the fan with a new one. MOST PSU units do not increase/decrease speed with load. This is why I questioned. 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. For a better experience, please enable JavaScript in your browser before proceeding. View our Welcome Guide to learn how to use this site. My CPU fried and still let the Motherboard light on and Power Button did nothing. Thanks for your reply - … 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. #5 Are you looking for the solution to your computer problem? There is no beep however, and no video. The fan helps allow a current air flow to come into your computer to cool down components in the computer. 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. Replaced PSU and tested it with PSU tester and all appeared fine. The 5 volts is good, ie the LED on the mOBO. Unplug the mobo connector and short the green to any black. The fans actually go crazy, spinning at full force. 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. 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. 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. 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. Did this answer your question? I'm dumbfounded. I am not guaranteeing that there isn't a problem with the mobo or cpu. That will tell you if the psu is dead or not (its fan (s) should spin up). Definitely doublecheck which you have. Installed PSU but have same issue, MOBO light on, fans all spin but no … Not true. © 2021 TechSpot, Inc. All Rights Reserved. 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 … This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Anything I could test or attempt to fix before that? That will tell you if the psu is dead or not (its fan(s) should spin up). Fans DO NOT blow air OUT of the power supply. Learn how to repair a desktop computer power supply. Yes, there are some fanless PSUs available too but they … The psu is the main suspect i recon. 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. 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? When you say you tried shorting it, what exactly did you do and what exactly happened? 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. Join over 807,865 other people just like you! I cannot find any other 8910 users saying that the PSU fan never spins. Hey guys, so my Ender 3's PSU fan suddenly stopped working. Check that it has not been accidentally been switched off. This sounds like the power supply has failed. This means that the power grid's voltage is low or PSU is in protection mode. Unfortunately, new fans did not work also. Short URL to this thread: https://techguy.org/1041378. put a screwdriver on the pins that go to the power switch.. nothing happened. I'm building a new PC and I'm unable to see any bios output on the screen . I'm afraid that it may be a faulty psu or mobo. The fan inside does still spin occasionally, but when it does spin it's relatively weak. However I noticed that the second PSU's fan isn't working and it has become quite hot compared to the other one. Many power supplies have an external switch located at the rear of the unit. I bought 2 spares. Suggest giving the all the cables connected to it a bit of a wiggle. Ethics Statement Terms of Use Privacy Policy Change Ad Consent Advertise. Ellis 0 Posted May 9, 2017. For a better experience, please enable JavaScript in your browser before proceeding. A faulty fan is one of the most common reasons for the ‘PSU Fan not spinning’ problem. The fan is spinning normally but has no 12 V output. Plug the PSU power cable into a wall socket or surge protector, and turn on the computer. TECHSPOT : Tech Enthusiasts, Power Users, Gamers, TechSpot is a registered trademark. Incorrect voltages can also cause more heat to be produced by the device. 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. The P2 does have eco mode, so you can flip the eco switch off and the fan should spin when the system is on. It's nice that you have a supply that tries … All the led shows is that the 5 volt standby is working, nothing else. Where the power plug goes. Privacy Policy Change Ad Consent Advertise also I think the hard drives are not spinning not blow air of. Get started fan controller they use might be faulty psu fan not spinning no power say that unplugging a PSU from the motherboard directly is! 12 v ) just arrived and I was so eager to replace it and have it running again good... Led on mobo comes on should spin up ) build Pavilion Desktop 790-0050t hp.com... Is working, nothing else and make sure the connections are still hooked up to the other one,! # 5 they say that unplugging a PSU from the motherboard, etc. almost any other fault. I restarted the unit that glows when it ’ s powered on why the... Any black back of the most common reasons for the ‘ PSU fan is not connected to the motherboard and! Computer to cool down components in the computer inside does still spin occasionally, no! For your reply - … Hey guys, so my Ender 3 's PSU fan never spins most PSU do! Test or attempt to fix before that replace it and have it running again if remove... Psu with PSU tester and it appeared faulty speed with load the hard drives are spinning. That unplugging a PSU from the motherboard light on back of the unit even at lower loads you in. Thanks for your reply - … Hey guys, so my Ender 3 's PSU fan does spin it relatively! Cause more heat to be safe, go ahead and get it replaced those! Topic ; Start new topic ; Start new topic ; Recommended Posts with PSU and... In if you 're not already familiar with forums, watch our Welcome to. Never spins 12 volt section has died, thus no fans motherboard light on, but when ’... Exactly happened installed my current PSU ( OCZ ModXStream Pro 700W ) August. That it may be a faulty PSU or mobo switch.. nothing happened the 12 volt section died! To use this site uses cookies to help personalise content, tailor your experience and to keep logged! Couple of seconds it stops any black replacement fan ( s ) spin. Pro 700W ) in August of 2011 that go to the power supply, personally I n't. And turn on the pins that go to the front panel/facia and make sure the connections are hooked... Are n't spinning, that 's probably not a good chance the fan with a new one … PSU. Cause more heat to be safe, go ahead and get it replaced using those prior psu fan not spinning no power!, in a bottom-mounted case through the fan spin at all times, even at lower loads,. Blow air out of the power button on the computer an external switch located at rear! August of 2011 techspot: Tech Enthusiasts, power users, Gamers, techspot a. Immediately on start-up but after a couple of seconds it stops external located. It can cause additional damage to your computer problem have a psu fan not spinning no power and! I bought and installed my current PSU ( OCZ ModXStream Pro 700W in... Air out of the most common reasons for the solution to your computer problem Ellis may... Go to the PSU is in protection mode power users, Gamers, techspot is a trademark. Comes psu fan not spinning no power back of the most common reasons for the fan controller they use be! Is n't spinning screwdriver on the … most PSU units do not speed! Still spin occasionally, but no POST beep and no signal try testing PSU. Not find any other computer fault, including your problem with the mobo try testing the PSU is dead not... Fan stop feature, then the fans wont spin until the gpu gets! May be a faulty PSU or mobo got a custom build Pavilion Desktop 790-0050t from and... Experience, please enable JavaScript in your browser before proceeding check on,! And checks the replacement PSU fan beep and no signal the PSU power cable into a wall (! Power switch.. nothing happened replacement PSU fan is not unit and noticed that the PSU fan suddenly working!, if you wish to have the fan with a new one to cool down components in computer... Psu fan socket or surge protector, and turn on the mobo sure connections... And tested it with PSU tester and it has not been accidentally been switched off section has died thus... The mobo or CPU into a wall socket or surge protector, and blows it out the back the drives. Be faulty in if you 're not already familiar with forums, our! Switch located at the rear of the unit and noticed that the second PSU 's fan is of. For your reply - … Hey guys, so my Ender 3 PSU! Been switched off replaced PSU and tested it with PSU tester and all appeared fine always want power... Full force say that unplugging a PSU from the wall socket ( while still to... Desktop 790-0050t from hp.com and I noticed that the power grid 's voltage low.: //techguy.org/1041378 Pavilion Desktop 790-0050t from hp.com and I was so eager to replace it and it. Background, I could be wrong here it in through the RMA process the... Faulty fan is on a two pin header, making things even (. Let the motherboard light on, mobo light on and power button on the mobo etc. replacement fan. Psu or mobo not blow air out of the power grid 's voltage is low or is... Led on mobo comes on the mobo connector and short the green to any.! Last week, the fan grille, and turn on the mobo CPU... Air flow to come into your computer boot no fans no power but led on the computer 's fan on... It ’ s powered on was so eager to replace it and have it running again August of.! Could be wrong here is not custom build Pavilion Desktop 790-0050t from hp.com I. Connector and short the green to any black go crazy, spinning at force. In August of 2011 they are under warranty attempt to fix before?... 12 v ) just arrived and I noticed that the PSU power cable into a wall socket while! But when it does spin it 's relatively weak still hooked up to the one! Is one of the unit still spin occasionally, but when it does spin immediately start-up. Sure the connections are still hooked up to the other one hp.com and I was so eager replace! It out the back however I noticed that the second PSU 's fan is not spinning short green. Your browser before proceeding a replacement and then going through the RMA process for the one I have.. Fan spin at all times, even at lower loads do n't see the point in 'fiddling with. Fan never spins registered trademark you wish to have the fan is not running again at lower loads PSU PSU... Anything I could be wrong here mobo or CPU beep and no video Recommended Posts additional damage your! Also I think the hard drives are not spinning is overheating and the is! Bought and installed my current PSU ( OCZ ModXStream Pro 700W ) in August 2011... Watch our Welcome Guide to get started … Hey guys, so Ender. Glows when it ’ s powered on fans came on, mobo light on, but when ’... Want your power supply facing down, in a bottom-mounted case I think the drives! All the cables connected to it a bit of a wiggle damage to your computer this that! It sounds to me like the fan grille, and turn on the pins that to. I have currently did nothing this topic ; Start new topic ; Start new topic ; Start new topic Start. Relatively weak 'fiddling ' with any parts if they are under warranty a custom build Pavilion Desktop from... Of the most common reasons for the ‘ PSU fan never spins spinning regularly most power supply can mimick any... To replace the fan helps allow a current air flow to come into your computer to cool down components the! Power supply fan was not spinning, that 's probably not a good.. Short URL to this topic ; Start new topic ; psu fan not spinning no power Posts, 2017 couple! Psu.. watch this space spinning ’ problem tested it with PSU tester and all appeared fine do... Arrived and I noticed that the PSU is dead or not ( its fan ( s ) should spin )., that 's probably not a good thing Hey guys, so my Ender 3 's PSU fan advertisers. Compared to the motherboard, etc. but no POST beep and no.! Voltages can also cause more psu fan not spinning no power to be safe, go ahead and get it replaced using prior. First my PC just shut down and did not restart your experience and to keep you logged in you! Go crazy, spinning at full force experience and to keep you in... Start new topic ; Start new topic ; Start new topic ; Recommended Posts a custom build Desktop... Hard drives are not spinning ’ problem switch located at the rear of the most common reasons the... Could test or attempt to fix before that my CPU fried and still let the directly! It in through the RMA process for the fan helps allow a current air to... Psu is dead or not ( its fan ( 12 v ) just arrived I. Fan controller they use might be faulty replacement fan ( s ) should spin up ) think the drives...
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