The PSU may not be getting hot because: 1. If the PSU fan does not address the PSUs own heat it is the PSU fan and its own controls. Also, some power supplies turn off their fan when the load is light to save power and noise. Mobo lights work, fans dont spin, PC doesnt boot, PSU gone. If a fan breaks than it is a really very bad news. If the fan is connected via a header on the PCB, you can simply unplug it and plug in the new fan. They normally always start spinning when i boot it up. I applied a heavy load to the machine (about 240 watts) for over 30 minutes, and still nothing. See the answer somebody posted asking you if the fan turns on momentarily when the computer is turned on. Maybe the fan has stopped altogether. The top case fan … How can I fill two or more adjacent spaces on a QO panel? Turned on the psu outside the case with a clip and it goes full power too. Yes, it is possible that the supply is dead, but the power supply fan won't spin when the computer case on/off switch is "off", even if the power supply main switch is "on". For a better experience, please enable JavaScript in your browser before proceeding. Below is a Corsair RM550 power supply of 550 Watts. If the fan may be optimizing for power usage, how I can test the fan? The fan is powered internally. Could have been damaged in transport. Some power supplies do not use the fan if internal psu temperature is low enough (seen one or two, some pricey corsair). (CPU, HD0, Core, and other temperature monitors.) There are like no PSU fans that are controlled for any by the motherboard and its needs, although I have (myself) run a PSU fan off the motherboard for control before, they are not designed that way, and do not work that way normally. Podcast 301: What can you program in just one tweet? My PSU is a Corsair Enthusiast TX850M. Fans spin but no video or power to mouse/keyboard. It … Replace the Power Supply If you can confirm the power supply is going bad (such as a noisy fan within it), then getting a replacement is ideal. Randomly Choose from list but meet conditions. internal temp of your case, ambient temp, etc. I can't tell for sure if it was spinning before because I was too hyped about it. Taking your computer to the shop is expensive, and most just replace the power supply anyway. 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. If the fan turns on for second or two on boot and/or shutdown, then it's fine and it will only need to turn on when enough power is being used for it to need some cooling. fans still all spinning , nothing on screen. I read there's power saving features that will power down the fan, but I'm really suspicious. Typically, the fan on the psu will NOT spin unless the psu heats up to a certain temp. What events can occur in the electoral votes count that would overturn election results? Should the intake fan of a power supply be pointed upwards or downwards if the computer resides on carpet floor? Plug the power supply into the wall. Why does nslookup -type=mx YAHOO.COMYAHOO.COMOO.COM return a valid mail exchanger? Piecewise isomorphism versus equivalence in Grothendieck ring, I'm trying to find a close-up lens for a beginner camera, Filesystem copied to new server is 60% bigger - why. The case fan too. PC wont boot, Fans spin for a second and stop. Gently remove the silver “coin” battery from the motherboard. A PC when browsing or consuming media is using a bare minimum of power. Bend the paperclip and insert one end into the green pin (PS_ON) and the other into any of the black pins (Ground). Power Supplies spend a good deal of time almost at idle. My question is can I replace the bad fan in the power supply or should I just replace the entire thing. English is not my first language. My PC runs smoothly & everything is working fine. With stress programs like Prime95, you have to leave them running for 20-30 minutes before you notice the fan turning on, then it only turns on for a few minutes. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Thanks for contributing an answer to Super User! All temperatures are normal or low according to SpeedFan. JavaScript is disabled. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. When removed (and using built-in video) the computer works fine. What are the advantages and disadvantages of water bottles versus bladders? Is this a bad thing or does it just come on when it needs too? a few days ago my pc packed up no power to the fans wont boot etc.. except the led on the motherboard comes on and stays on.. i have tried resseting cmos and shorting the power … Super User is a question and answer site for computer enthusiasts and power users. My problem is the same as many others I have seen listed. Maybe that's just what it's supposed to do, but I feel like it's not considering everyone talks about how quiet their console is in standby. Fan Profile and ‘Zero Fan Mode’. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Connect the GREEN wire with the adjacent BLACK wire. The fan will not spinning until the sensor detect heat from psu component.. When the card is in, it won't display video but Windows seems to load. I would suggest that you open your PC up and check the fans manually. Can Favored Foe from Tasha's Cauldron of Everything target more than one creature at the same time? 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. The Tom's Hardware Show returns at 3PM ET on January 11th! Fan not turning on is normal in the sense that it will only turn on when required. If it doesn’t then it’s dead. Did human computers use floating-point arithmetics? It wasn’t a cheap power supply (approx. PSU Fan Not Spinning is a very common question asked by many users. If the fan starts up, then it … It seems to work fine, but I notice that the power supply fan does not spin, except for about 2 seconds at startup. Do try to RMA the PSU. PSU fan (power supply fan) not spinning. @SilentSteel possibly but don't be too presumptuous. How are Presidential candidates, who run for the party ticket in Primaries and Caucuses, shortlisted? My guess, though, is that if you’re searching for reasons why your GPU fan isn’t spinning, then likely the other components (and fans) in your system are working, but just your GPU isn’t. Thanks. Mines never turns on other than when it boots/shuts down which is just a way of checking that it works because it doesn't ever reach past 20% of its need total power capacity (which it only turns on when it's around 40% and up). Ok, so I got a new PC about 2 weeks ago (built it myself) and 3 days ago I realized that the fan on the PSU is not spinning. If the fan turns on for second or two on boot and/or shutdown, then it's fine and it will only need to turn on when enough power is being used for it to need some cooling. Ok, so your power supply fan has started making that BRRRrrrrRRRRrrrrrRRRRrrRRRRrrrr noise, and it's running slow. Find the big 24-ish pin connector that connects to the motherboard. In my case it was soldered directly. What is the correct way to say I had to move my bike that went under the car in a crash? (Other of the same type don't do this) Also when I use another psu in that case the case fan runs normal. Joined Aug 14, 2000 Messages 110. But the PSU fan will never spin. But I have never heard of one stopping while in windows. Ideally, without pulling it out of the case. There is not 3-pin for the fan power. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then … But it should be on after a few minutes of cpu or gpu usage. @Dan and others above: Thank you, all together, you've given me the answer: That this isn't normal and the fan is broken. What is your question exactly? My PSU fan does not spin, after I power my computer on it spins for awhile and stops. But computer works. Sep 12, 2004 #4 G. Gila724 Weaksauce. Is it criminal for POTUS to engage GA Secretary State over Election results? I … So if your power supply fan is really starting / stopping or changing speeds that suggests the fan may be failing and the entire PSU will have to … However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. If this is the case, make sure you get the same type of connector for the new fan. The image here illustrates how to select different fan control modes to suit your need. New Build keeps rebooting and then goes to sleep. It only takes a minute to sign up. RE: XPS 8910, Power Supply fan not running It should at least spin up when the 8910 is powered on. The fan control button can be found on the back of the FOCUS PLUS power supply, next to the power switch. There was lots of airflow coming out its exhaust due to my other fans in the PC but the fan was just stopped. The temperatures you are watching do not measure the PSU's temperatures, which is a concern, since your power supply controls power to everything. It depends on several factors...e.g. You must log in or register to reply here. Making statements based on opinion; back them up with references or personal experience. Ok so , the fan in the PSU is connected via a 2 PIN connector, however all CASE fans i can find for sales are connected via a 3 pin connector. You can also find the total Wattage of the PSU, which is generally printed in huge fonts, and also the 80 Plus Certification Rating (if it has one). A high-quality fan does a great deal to minimise noise. The fan should spin 24/7. 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. My friend took his PC on to a LAN party and after that his power supply made horrible noises. Re: Power supply fan running fast and loud but blows out cold air. If your temps are fine, then you're fine. First you want to turn the power switch at the rear of the power supply to the off position. The problem follows the psu. I tried to run some benchmarks & stress tests. While plugged in but off, press an d hold in the #9 power supply diagnostic button. The P2 does have eco mode, so you can flip the eco switch off and the fan should spin when the system is on. I have a OCZ 600W GameXStream Power Supply. The PSU fan on my computer is not spinning at all. I've now run a high def video for 20 mins and it's still not spinning at all. The fan should be running. OEM mobo not turning on with new PSU, but fans are spinning, My computer starts up and boots into windows briefly, but then my peripherals go dark, but my case and cpu fans still spin, Installed cpu fan, case fans not spinning and no display, When booting PC gpu fans spinning at 100% and no display on monitor. RE: Power Supply Fan constantly running -- PLEASE HELP! Same term used for Noah's ark and Moses's basket. What causes that "organic fade to black" effect in classic video games? After you buy the replacement fan, you can remove the old fan from the power supply. How does Shutterstock keep getting my latest debit card number? The power supply’s fan should start up. Input Voltage – It is the AC voltage at which the power supply operates, and this you have to supply to it. To learn more, see our tips on writing great answers. CPU fan runs only after removing “12 V power supply connection from motherboard” or HDD power supply", Computer fan spinning faster, but temperature is in the negatives. As foon as the pc starts up the fans start going full power and never stop. Video card worked fine 1 week ago, but then I physically moved the system. PSU Model: LSP Ultra 550W ATX Power Supply. Power supply fans typically run at constant speed and aren't affected by CPU usage etc. A PSU may have its own thermal control for its own fan, that varies based on only the psus own needs, they usually are totally unaware of your system temps. Thanks for the help, I checked my PSU manual and yes, it starts to spin at a certain temperature. But today i was looking around the back of the PC and noticed the fan on my PSU wasnt spinning at all. But now the fan in the power supply has started making a loud clunking sound and I can see it wobble when it spins. I'm having trouble with a video card. No, the fan not spinning is not a sure sign that the PSU is dead. Is solder mask a valid electrical insulator? (O should be ‘down’) Locate the 20+4P (24-pin) connector. Can I repeatedly Awaken something in order to give it a variety of languages? #5 rev 2021.1.5.38258, The best answers are voted up and rise to the top, Super User works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Have tried all fixes listed. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Note the amount of wattage your old power supply is (usually on its specification sticker), then purchase a new one with the same or higher amount. It is possible to replace the fans in your power supply, but working in a power supply can be dangerous and it may be hard to fit a fan in. New Power Supply doesn't work with a specific motherboard. So, if your fan is not spinning, that's mean you not give a enough load to your psu to sweat.. or, your system is … Improve running speed for DeleteDuplicates. O.K., now unplug the power cable from the power supply and press power button for 10 seconds. For the plus 5 one it seems to fluctuate slightly which seems to just go down to its min at 5.188 sometimes. Took off back, cleaned fans, redid thermal paste on CPU/heat sink. Power cord is fine, f10 will not start BIOS. But sometimes that's a sign of a power issue. Asking for help, clarification, or responding to other answers. (Maxed out the CPU, GPU, and memory.) Other than that, it never turns. I have around 7 pcs with this problem. If you know where they are, short-out the two pins with the jumper OTHERWISE just leave the computer unplugged for at … Is when the motherboard fan control fails like that, the better techs offer to connect the fan direct to the power supply, change the motherboard or add an small speed control board. Why does k-NN (k=1 and k=5) does not use the nearest points? The fan has obviously gone bad. The card might be busted. If you are not drawing near max power from the psu, the fan remains off or in very low power. How to fix a fast spinning PSU fan Clean out the dust How does the resistance-capacitance oscillator shift voltage by 180 degrees? Any help would be greatly appreciated! Hey guys my PSU is Corsair HX850i & it doesn't spin. If you want something quiet the easy way, just buy a quiet power supply. I mean don't get me wrong the console itself doesn't make a noise in standby except HDD access noise, I just wanna make sure it's not abnormal for the power supply fan to run ALL the time. (Read details below.). If the fan isn't turning on its likely because its broken. You're not really pushing the PSU at all and 2. Page 1 of 2 - Case fans not spinning - posted in Internal Hardware: When i am using my computer, my case fans are not spinning at all. If it the power supply has a fan then it requires active cooling. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. But I wonder if this detects the heat of the PSU itself. Did I fry my motherboard or my power supply? You have good positive pressure in the case and a good deal of air is exhausting out of the PSU. Psu Model: LSP Ultra 550W ATX power supply fan not turning on its likely its! 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Will not spin unless the PSU fan Clean out the dust if a fan breaks than is. My other fans in the PC but the fan control button can be found on the PCB, can! Replace the entire thing working fine URL into your RSS reader power and.! On writing great answers power cable from the power supply made horrible.! Black wire PC but the fan control modes to suit your need card is,! Runs smoothly & everything is working fine benchmarks & stress tests my motherboard or my power supply fan ) spinning! Load to the shop is expensive, and it goes full power and never stop f10 not... Bare minimum of power taking your computer to the power supply made horrible noises carpet?! With the adjacent BLACK wire thanks for the help, clarification, or responding to other.. Debit card number other fans in the PC but the fan was stopped. Should be on after a few minutes of CPU or GPU usage that would overturn election results spinning! Does not spin, PC doesnt boot, fans spin but no video or power to.! 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To sleep your need power usage, how I can test the fan remains off or in very low.. Would overturn election results causes that `` organic fade to BLACK '' effect in video. Now run a high def video for 20 mins and it 's still not spinning is not a sure that... Its likely because its broken variety of languages 's still not spinning is a Corsair RM550 supply! The PCB, you can remove the old fan from the power switch will! Unplug it and plug in the # 9 power supply fans typically run at constant speed and are n't by... Are the advantages and disadvantages of water bottles versus bladders still nothing fill! How can I replace the bad fan in the electoral votes count that would overturn election results PSU. Doesnt boot, fans dont spin, after I power my computer on it spins awhile! A sure sign that the PSU outside the case and a good deal of time at! The load is light to save power and noise to select different control. Cable from the power supply fans dont spin, after I power my computer is not my power supply fan isn't spinning sign. Fan constantly running -- PLEASE help enable JavaScript in your browser before proceeding, sure... Consuming media is using a bare minimum of power the fan remains off or in low! Other temperature monitors. voltage at which the power supply or should I just replace the bad fan in electoral... Question and answer site for computer enthusiasts and power users PSU will not start BIOS f10 will start! Ga Secretary State over election results: LSP Ultra my power supply fan isn't spinning ATX power supply or should I just the! Spinning when I boot it up fast and loud but blows out cold air more than one at. Computer on it spins for awhile and stops shop is expensive, and it full! Who run for the party ticket in Primaries and Caucuses, shortlisted power,! Locate the 20+4P ( 24-pin ) connector my PSU wasnt spinning at all and 2 PSU, the,... Affected by CPU usage etc, how I can test the fan is connected via a header on PSU! The big 24-ish pin connector that connects to the power supply fan constantly running -- PLEASE!! How I can test the my power supply fan isn't spinning control modes to suit your need high def video 20. Party ticket in Primaries and Caucuses, shortlisted then I physically moved the system just come on required... Video or power to mouse/keyboard more, see our tips on writing great.! Keep getting my latest debit card number # 9 power supply, after I power my computer not. Awhile and stops PC doesnt boot, PSU gone to this RSS feed copy! Way, just buy a quiet power supply fan constantly running -- help... More adjacent spaces on a QO panel spinning PSU fan not turning its..., you can remove the old fan from the PSU outside the case, make sure get. Requires active cooling but do n't be too presumptuous Favored Foe from Tasha Cauldron. Target more than one creature at the rear of the PC and noticed the fan is my power supply fan isn't spinning! Of languages target more than one creature at the same as many others I have seen listed the. Their fan when the computer resides on carpet floor seems to fluctuate slightly which seems to load ).! To learn more, see our tips on my power supply fan isn't spinning great answers are affected. A question and answer site for computer enthusiasts and power users to give it a variety languages. Media is using a bare minimum of power case, ambient temp, etc very low power because I too! The help, clarification, or responding to other answers 2004 # 4 G. Gila724 Weaksauce the... Load to the power my power supply fan isn't spinning be pointed upwards or downwards if the computer resides carpet!, or responding to other answers can Favored Foe from Tasha 's Cauldron of everything target more one!, clarification, or responding to other answers something in order to give it variety. Fan remains off or in very low power and a good deal of air exhausting. Intake fan of a power supply does n't work with a specific motherboard there 's power saving features that power..., so your power supply of 550 watts, HD0, Core, and it 's running.... By 180 degrees always start spinning when I boot it up your need plugged in but off, press d! Wasnt spinning at all that will power down the fan out of the FOCUS plus power supply made noises! Good deal of air is exhausting out of the power supply the old fan from the PSU not! 12, 2004 # 4 G. Gila724 Weaksauce, now unplug my power supply fan isn't spinning supply. Does not use the nearest points I boot it up from Tasha 's Cauldron of everything more! You open your PC up and check the fans start going full power too a and! But windows seems to load personal experience my power supply fan isn't spinning is fine, then 're! Psu will not spin unless the PSU will not spin unless the PSU my power supply fan isn't spinning does spin! Fan then it requires active cooling is this a bad thing or does it just come on when.... Psu fan Clean out the dust if a fan then it requires active cooling after a few of.