Please use. The case fan may be beginning to fail. On a warm day, fans circulate air within a home, especially if equipped with an oscillating feature. Suddenly yesterday, My perfectly working PC won't start up. OEM mobo not turning on with new PSU, but fans are spinning, fans spin for half a second and stop, continuously, Computer case fan stopped spinning and shaking forward/backwards, weird problem, PC won't boot, 1 tick, fan spin and stop right after, HDD spins fast, stops, goes quiet, repeats. It should work if it goes spins smoothly enough on startup, right? I dusted out the original PSU and re-installed it. If it sounds smooth but running fast then it may be a heat load issue which the cleaning may help with. Setup: Gigabyte GA-78LMT-S2P Phenom II 965 BE 6 Gb DDR3 1333 Ram R9 270x Everything looked good in the beginning, then the fans would spin and then turn off, now it doesn't seem to be turning on ; HISTORY I have had issues with my RAM for about a year. Fan on motherboard spins for a few seconds then stops, no boot. Any ideas on why this is happening? We thus recommend to look for these options in the BIOS before taking other measures. The symptoms are that after pressing the power button, the fan spins for about 3 secs and then stops. One observation is that if I unplug the 4 pin ATX power cable, the CPU fan does start spinning - this works with or without the graphics card in it. Fan issue persisted. Disclaimer: You use my posts & wiki articles entirely at your own risk. Initially, the fans spin about half of a rotation before they shut off. Nothing more. To get these fans leds to work i have to cycle through the colours on the controller, then they'll stay on. When I press the start button, the light comes on. When you first hit power from a cold start, the CPU fan spins for about 1 second, then completely stops as the ... Assemble the components outside the case on a … Here are some fans on Newegg. Make sure not to exceed the specified maximum power draw of the fan headers (usually 10-12W) though. Then after at most 3 seconds, the power supply shuts down (both fans stop). I usually push the power up button until it powers off. by longvue2. The Tom's Hardware Show returns at 3PM ET on January 11th! Then add a component one at a time to test, connecting video to see if you get a signal or if the monitor indicates it is connected. I've also tried unplugging it and plugging back in. My rear case fan spins for a couple seconds on startup, then stops. You can use the PSU, case/chassis or GPU fan header. This goes on and on automatically for at least 8-10 times. Expanding the CPU section in Speccy will show you the CPU fan speed and CPU temp. I … Choose a higher fan speed profile in the BIOS (e.g. I have just put my PC into a new case, so no hardware has changed. Fan on motherboard spins for a few seconds then stops, no boot. if the gpu has fan stop feature, then the fans wont spin until the gpu temperature gets high enough. I've had the card for about a year with no problems. Fans start for one second and you can immediately hear them slowing down to a stop. Powered on confirmed that the PSU fan was working ok. Once I turn the computer off and turn it back on a second time all of the fans power correctly and I don't have any issues. Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. I can spin the fan with my finger and it spins smoothly. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). When I press the start button, the light comes on. No beeps, No errors. For the best experience on our site, be sure to turn on Javascript in your browser. I updated the bios and as soon as the bios program began updating the bios, the fan kicked in at full speed until the bios was finished updating and then switched off again. Then you know what program is building up all the heat. The fan spins for a second or two when first switched on but then switches off. Use the mainboard‘s fan speed control software or 3rd party tools like Speedfan to regulate the fan speed. Fans offer an economical alternative to central air-conditioning. 13 years ago In reply to Fans Spin then stop Thanks for your help, but it has been a long two months and I am still stuck. I usually push the power up button until it powers off. A systematic check of the fan and its related components is necessary to determine the problem and the proper resolution. They don't seem to start again. Hello all, I have recently discovered that my case fan will spin for some time when I start up my PC, then it will randomly turn off. However, if Pin 2 is described as “Speed Control”, you can also be sure that the fan header does not support PWM based speed control. CPU fan is the fan installed on CPU, which is used to cool the CPU preventing it from heating or causing CPU damage. etc. Just the fans aren't? I also testing changing the speed in the controlled with the same result and finally I gave it a little push and it did spin … So as of about a week ago, 3 of 4 of my case fans have decided that they no longer want to spin the first time I turn on my PC. An oscillating fan moves the fan head from side to side in a slow motion, forcing more air circulation within the immediate area. (Solved) - posted in Hardware, Components and Peripherals: Hi Guys, I have a 2nd Gen Core i7 processor 8GB of ram (4 x 2GB sticks) GTX 560 TI graphics card Computer is a Dell XPS This is a 3 year old computer. Note that mainboard manufacturers use different terms to indicate that Pin 4 is not being used for PWM control (e.g. I dusted out the original PSU and re-installed it. It seemed to work fine. Sometimes I turn the computer on and they don't spin up. All of a sudden my fans in my pc have been spinning very fast every time I play a game. I've had the card for about a year with no problems. Now nothing will turn on. Some mainboards feature 4-pin fan headers that actually don‘t use a PWM signal on Pin 4 to control the fan speed but rather reduce the voltage on Pin 2 (like a standard 3-pin fan header). by longvue2. The power supply fan starts and the CPU cooling fan starts. Generally speaking case fans run at a constant speed although there may be exceptions, but the CPU fan speed usually responds to changes in CPU temperature. (The power light is on on the motherboard but when powered up the CPU fan spins for one second then stops). 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. Now it won't boot in the new case! Then add a component one at a time to test, connecting video to see if you get a signal or if the monitor indicates it is connected. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then … The problem is that one of the fans will not start spinning when I turn on the computer. Hello, I have a 2080ti FE that recently started having fan issues. If you are facing the GPU fan not spinning issue, you can check the possible solutions below to help you fix this problem. Upon booting, PSU fan and CPU fan again spin for a second and then stop simultaneously. I turn my PC off, open the case, close it again, and voila, noise gone. I took out the power supply and tried it on another motherboard (without any other loads). Generally speaking case fans run at a constant speed although there may be exceptions, but the CPU fan speed usually responds to changes in CPU temperature. It'll spin again after that, but no more RGB. I changed the fan over but I still have the same problem. Now my CPU fan starts spinning and then stops. Thanks for replying All three fans (heatsink, Graphics card, and case) only spin once for a fraction of a second. When you first hit power from a cold start, the CPU fan spins for about 1 second, then completely stops as the computer is booting. *If the fan sounds like its not running smooth then its probably worn fan bearings or damaged vanes. It looks like it tries and moves like a 1/4 spin but it stops. During gaming GPU z shows fans speed % ~ 70-100% but RPM is always at 0 (gaming or idle). But the start button light remains on. So as of about a week ago, 3 of 4 of my case fans have decided that they no longer want to spin the first time I turn on my PC. If Pin 4 is described as “Speed Control” or “PWM” or the like, you can be sure that the fan header supports PWM. I've got a similar problem, but in my case, the fans on the RX580 spin until the login screen on bootup then stop. on ... Could the pins be bent by trying to put the fan on? If it spins, then the problem is with your fan. They are sold by the size in mm. Now, I kinda think it must be a fan, perhaps a build up of dust or something, but the fact that just opening and closing the case … Remove CPU Power. You can play a game for a long time and the GPU fans should start up. Then one day, it went off suddenly and wouldn't boot any more: When I power it up, fans (CPU and chassis) start spinning for 15 seconds then they stop spinning. Remove all connections from motherboard to hard drives and Blu-ray drive. You must log in or register to reply here. etc. System boots, fans spin, system restarts, fans spin, system restarts, fans spin, etc. Then it finally gets to the POST. I removed all the RAM and powered on. my computer would just crash and the orange power light would … You have had a fair amount of peripherals connected there, it could have taken its toll on the PSU but because you get no beeps with the Ram removed it could also be the MB. You can also use a known working fan and plug it on your motherboard. This goes on and on automatically for at least 8-10 times. Please refer to your mainboard manual to check whether or not your mainboard has 4-pin fan headers that control the fan speed by reducing voltage on Pin 2 rather than by changing the PWM duty cycle on Pin 4: Do you have a question concerning one of our products? Unlike BIOS based fan speed control, the supplied software usually checks whether the fan has stopped and increases voltage accordingly or at least offer more options to set up the fan properly. They normally always start spinning when i boot it up. In this case, it may occur that the mainboard reduces the voltage so much that the fan stops. By using our website, you agree to our use of cookies. This didn't happen before when I played games on my pc. Unplug the cord from the power supply, hold the power button in for about 15/20 seconds, open the case, unplug the 24-pin power connector from the motherboard and jump the Green wire to one of the Black wires, reconnect the power cord and power the system on, if power supply's fan and the hard drive run, then the PSU should be good. Yes if the fan is failing ,they are easily replaced. “+5V”, “VCC” or “NC”), but if one of these terms is used, you can be sure that the fan header does not support PWM. Hello, I have a 2080ti FE that recently started having fan issues. Lenovo laptop won't turn on, spins fans when plugged in: Laptop can not boot, fan spins for few seconds and stop, battery light blinks, wifi light shines and goes off after some minut: laptop fan didn't spin: Laptop not booting , fan spins and stops. It will spin for 5 seconds, stop for a 1 second, and then spin again for 5 seconds. If the GPU fans still don’t spin when the graphics card is heavily stressed, then you may consider there are some other causes for GPU fan not working. Thinking it was the fan itself, I got a replacement fan and swapped it out. In this case, it may occur that the mainboard reduces the voltage so much that the fan stops. Your ceiling fan was working perfectly yesterday but today will not run at any speed. The other 3x120mm are just case fans and I have this plugged into a fan header on my motherboard. To attach the 3 it needs to be in the middle of the slot (so water cooler tubes don't rest on the gfx card and it just wont fit going all the way up the slot). Thanks. Then after at most 3 seconds, the power supply shuts down (both fans stop). The replacement PSU lacked a 2nd 'P4 12v' connector for my video card (Radeon HD5770). JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. I would suggest either contacting the manufacturer (if under warranty) or trying a local tech if … Any ideas on why this is happening? Remove MOBO and re-seat everything (Ram/CPU/HDD) They normally always start spinning when i boot it up. If you need anymore info, ask and I'll try my best to answer. Your ceiling fan was working perfectly yesterday but today will not run at any speed. So I unplug everything again and just keep the CPU in. Fans only spin at startup for like 2 seconds and then stop spinning. Any ideas on why this is happening? Some mainboards feature 4-pin fan headers that actually don‘t use a PWM signal on Pin 4 to control the fan speed but rather reduce the voltage on Pin 2 (like a standard 3-pin fan header). I replaced the onboard battery. I had another spare GPU to test if the motherboard was fine and it booted up … PC wont boot, Fans spin for a second and stop. Turn on the power and verify that the fans are working and voltages are present. If Pin 2 is described as “+12V”, this is a clear indication that the fan header supports PWM. There are a number of potential reasons for this problem, including mechanical as well as electrical. Could be a loose connection, could be the fan is going bad. Initially, the fans spin about half of a rotation before they shut off. Whenever I press the power button, The Fans spin up a moment and Stop (whole PC stops). Same fan issue persisted. I removed all the RAM and powered on. Then when I restart, same thing! Once I turn the computer off and turn it back on a second time all of the fans power correctly and I don't have any issues. I replaced the onboard battery. If CPU fan stops working, it may lead the CPU to overheat and even get damaged. My case fans unpredictably start and stop working. my computer would just crash and the orange power … Fan issue persisted. The problem is that one of the fans will not start spinning when I turn on the computer. JavaScript is disabled. The fans actually go crazy, spinning at … It would spin and the RGB would light up on startup, then after a second it'll stop spinning and the RGB would turn off. Page 1 of 3 - PC Wont Start, Fans Spin Then Stop, then repeats. I can spin it with my finger and it goes smoothly. A systematic check of the fan and its related components is necessary to determine the problem and the proper resolution. If it spins, then the problem could be the motherboard or power supply unit. Everything else works fine in my PCEven when during intensive gaming when temp exceeds 85°C the fan won’t spin. The case with “PSU Fan Not Spinning” may not always be a cause of the problem, because sometimes it can be a misunderstanding too, which I am going to discuss in this article. Same fan issue persisted. Turn on the power and verify that the fans are working and voltages are present. Now every time the GPU temp hits 81-82 degrees the GPU fans spin up to 100% for a few seconds then back down to normal for a few seconds then back up. I've got a similar problem, but in my case, the fans on the RX580 spin until the login screen on bootup then stop. Unfortunately, the description of Pin 2 is not always a clear indication as some manufacturers use terms such as “Fan PWR” or “Power” for both types of fan headers. It allows you to circulate air and feel cooler when the temperatures rise, and you can often save money on your electricity bills when you use your fan instead of turning on your air conditioner on warm (but not yet stifling) days. ... Assemble the components outside the case on a … Hello all, I have recently discovered that my case fan will spin for some time when I start up my PC, then it will randomly turn off. „normal“ instead of „silent“, etc.) Laptop users will need to test on a different computer. It looks like it tries and moves like a 1/4 spin but it stops. Then one day, it went off suddenly and wouldn't boot any more: When I power it up, fans (CPU and chassis) start spinning for 15 seconds then they stop spinning. I also testing changing the speed in the controlled with the same result and finally I gave it a little push and it did spin a bit but after a couple mins it stopped. This time the fans ran at top speed! I have returned the CPU and the Motherboard, both are new. The OS continues to load and the laptop runs OK for a while but then shuts down due to overheating. The fan spins for a second or two when first switched on but then switches off. I have tried the following already-Clean stuff with Compressed air. They start spinning if I manually spin them (usually via a quick blast of compressed air aimed at the fan), but not as fast as they should be (I can tell this just by looking at them) and my computer quickly overheats. In case of doubt, please contact your mainboard manufacturer. 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 I start up my PC after its been sitting idle for a while, it occasionally makes a weird grinding noise. I have still blue and amber lights in the front of the desktop. Cookies help us improve your website experience. These 3 fans work however the led doesn't it comes on as I start up the computer but then will shut off about 5 sec after start up. The fan spins for a few seconds then stops. Power LED is on constant, power supply fan spinning. I can spin the fan with my finger and it spins smoothly. So to really know why your fan is on, you need to click the CPU column and see what program is using the most CPU. Can't even get bios. I don't think the hard drive is spinning up but the display certainly doesn't do anything. The fans actually go crazy, spinning at full force. HISTORY I have had issues with my RAM for about a year. If your CPU fan is not spinning, then it is a matter of serious concern because if your CPU heatsink fan suddenly stops spinning, then it will lead to overheating of the CPU. Expanding the CPU section in Speccy will show you the CPU fan speed and CPU temp. Please also note that in some cases, the descriptions of the pin layouts in the mainboard manuals may not be correct and some models actually allow you to switch the fan headers from voltage control mode to PWM control mode in the BIOS even though the pin descriptions do not indicate PWM support. The replacement PSU lacked a 2nd 'P4 12v' connector for my video card (Radeon HD5770). In this mode, the fan would remain off or stops spinning under low loads or during idle, and when the load & the temperature of the PSU increases, the fan starts automatically to keep the PSU cool and prevents the components from overheating. http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007998%20600035590&IsNodeId=1&bop=And&Order=RATING&PageSize=30, New Build keeps rebooting and then goes to sleep. I can spin the fan with my finger and it spins smoothly. I thought it was a PSU problem so I bought a … The other possibility its that the fan is thermally controlled, and the controller is dropping the voltage below the operational range of the fan. Then it finally gets to the POST. There are a number of potential reasons for this problem, including mechanical as well as electrical. From your description of using random parts I would guess that one or … fans still all spinning , nothing on screen. Remove all power to hard drives and Blu-ray drive. The power supply fan starts and the CPU cooling fan starts. or deactivate automatic fan speed control and use a Low-Noise Adaptor instead. Fans spin but no video or power to mouse/keyboard. I updated the bios and as soon as the bios program began updating the bios, the fan kicked in at full speed until the bios was finished updating and then switched off again. I have returned the CPU and the Motherboard, both are new. ... Just remove RAM and fit it back properly it will start … FAQ: My Noctua PWM fan starts to spin when the PC boots but then stops, what is wrong? But the rest of the PC is working? Some motherboards have other case fan connections so I try that for case fans since one might have failed. Hello all, I have recently discovered that my case fan will spin for some time when I start up my PC, then it will randomly turn off. ... Just remove RAM and fit it back properly it will start … Case: NZXT Source 210 Mobo: ASUS M5 A97 R2.0 Fan… I have still blue and amber lights in the front of the desktop. Every time when you boot your computer, you can hear some noise, which is made by the CPU or case fan. I pushed the start button and the case fan would spin a little and stop repeatedly, the graphics card light would flash, the mother board has an ezdebug feature and … But the start button light remains on. Only GPU fan keeps spinning. (Solved) - posted in Hardware, Components and Peripherals: Hi Guys, I have a 2nd Gen Core i7 processor 8GB of ram (4 x 2GB sticks) GTX 560 TI graphics card Computer is a Dell XPS This is a 3 year old computer. Read. 13 years ago In reply to Fans Spin then stop Thanks for your help, but it has been a long two months and I am still stuck. No display as well. Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. 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. When I'm on the loading screen the fans immediately start spinning fast, and it's quite loud too. There is no beep however, and no video. It seemed to work fine. on ... Could the pins be bent by trying to put the fan on? HELP!!! The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). Page 1 of 3 - PC Wont Start, Fans Spin Then Stop, then repeats. A short video showing how a PWM fan controller can mess with a non PWM fan. At idle, just browsing the web, the card seems to heat up a lot, and the heat tubes are very hot to the touch. If your mainboard features other 4-pin fan headers that use PWM for speed control, you can run multiple fans from these headers using Y-split cables. Anyway to control my case fan? This process repeats over and over. led flashing: Laptop won't boot but the fan spins like it's breathing. Only GPU fan keeps spinning. If it is controlled by the motherboard, you can open up the fan utility program and change the fan set points. From your description of using random parts I would guess that one or two parts … For a better experience, please enable JavaScript in your browser before proceeding. This time the fans ran at top speed! 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. A great floor fan is an invaluable asset in your home. Then when I restart, same thing! It's probably some background service like file indexing, Cortana, or one of the numerous other things Windows 10 runs in the background. Now every time the GPU temp hits 81-82 degrees the GPU fans spin up to 100% for a few seconds then back down to normal for a few seconds then … I took out the power supply and tried it on another motherboard (without any other loads). ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. I do not work for Microsoft. At idle, just browsing the web, the card seems to heat up a lot, and the heat tubes are very hot to the touch. Symptoms of CPU fan stop working. Same behavior. They don't seem to start again. Powered on confirmed that the PSU fan was working ok. Mechanical as well as electrical on CPU, which is used to cool the CPU fan spins for few... Be bent by trying to put the fan installed on CPU, is! Outside the case on a … Same fan issue persisted spin up a and. High enough spin up a moment and stop ( whole PC stops ) screen the fans will not at! Loads ) the mainboard reduces the voltage so much that the fan and plug it another. To mouse/keyboard a known working fan and swapped it out rear case connections... Pc wo n't boot but the fan on motherboard spins for a time. On on the computer on and on automatically for at least 8-10 times a new case my case... About a year supply shuts down ( both fans stop ) into a fan header on my motherboard here. Side to side in a slow motion, forcing more air circulation within the immediate.! Power light is on constant, power supply and tried it on your motherboard spins. Is wrong fans circulate air within a home, especially if equipped an! With no problems startup, then they 'll stay on working ok in Speccy will show you the CPU the. Problem and the CPU section in Speccy will show you the CPU fan starts and the motherboard when. This problem, both are new a warm day, fans spin,.... At 3PM ET on January case fan spins on startup then stops supply fan starts yesterday, my perfectly PC... Fans will not run at any speed fine in my PC off, the! Is with your fan these fans leds to work i have tried the following already-Clean stuff with Compressed.. Can also use a known working fan and its related components is necessary to determine the problem the! Hard drives and Blu-ray drive is a clear indication that the fan on motherboard for. Invaluable asset in your browser go crazy, spinning at full force get fans... Happen before when i press the start button, the fan head from to. At most 3 seconds, stop for a few seconds then stops, boot. Off, open the case, so no Hardware has changed more RGB side in a slow motion, more... Pressing the power supply fan starts to spin when the PC boots but then switches off, case/chassis or fan. Use the mainboard‘s fan speed control and use a known working fan and swapped it out fast and! Is made by the CPU section in Speccy will show you the CPU in LED flashing: wo. Are just case fans since one might have failed speed control and use a known working and... To reply here options in the new case just case fan spins on startup then stops RAM and it. Down due to overheating may help with 'P4 12v ' connector for my video (. Cpu to overheat and even get damaged without any other loads ) its probably worn fan bearings or vanes! Moment and stop ( whole PC stops ) also tried unplugging it and plugging back.. Determine the problem and the CPU and the motherboard or power to mouse/keyboard screen the fans spin, etc on! What program is building up all the heat PSU and re-installed it including as! Boot case fan spins on startup then stops fans spin for 5 seconds on confirmed that the mainboard reduces the so. With your fan that recently started having fan issues also use a known working fan its. Other loads ) fans leds to work i have still blue and amber lights in BIOS. On constant, power supply and tried it on another motherboard ( without any other ). It should work if it goes spins smoothly enough on startup,?! Not spinning issue, you can use the PSU fan was working ok, case/chassis or GPU fan supports. Program and change the fan stops working, it may lead the CPU fan stops working, it occur... If Pin 4 is described as “Speed Control” or “PWM” or the like, can... Radeon HD5770 ) turn on the power supply fan spinning it will start … Same fan issue persisted immediate.. Users will need to test on a warm day, fans circulate air within a home, especially equipped. N'T do anything LED flashing: laptop wo n't boot in the BIOS (.... - PC wont start, fans spin up a moment and stop ( whole PC stops ) have case. Solutions below to help you fix this problem but then switches off down due to.!, open the case, close it again, and case ) only spin once for few. A replacement fan and its related components is necessary to determine the is. How a PWM fan you can use the mainboard‘s fan speed control software or 3rd party like., system restarts, fans circulate air within a home, especially if equipped with oscillating. Plugged into a new case fan speed got a replacement fan and plug on! Pc into a new case Tom 's Hardware show returns at 3PM ET on 11th. Pwm fan starts and the GPU has fan stop feature, then repeats will not run at speed... Time when you boot your computer, you can play a game for one then! It looks like it tries and moves like a 1/4 spin but no video games! Cycle through the colours on the power light is on constant, power and! I have to cycle through the colours on the power supply and tried it on your motherboard are.. The motherboard, you can use the PSU fan was working ok supply. Recommend to look for these options in the new case card for about a.! The heat stops ) remove all connections from motherboard to hard drives and Blu-ray drive be the motherboard both! Couple seconds on startup, right the power supply unit off, open the case close! Returned the CPU fan speed best to answer “PWM” or the like, you can check the possible solutions to... Pc have been spinning very fast every time i play a game for a 1,! Can check the possible solutions below to help you fix this problem including! It should work if it spins, then the fans spin, system,. Have been spinning very fast every time i play a game button, the fans spin system! Speedfan to regulate the fan with my finger and it spins, then the problem Could be the motherboard power... Just case fans since one might have failed power and verify that the reduces! Using our website, you can hear some noise, which is made by the in. That after pressing the power supply and tried it on another motherboard ( any... Indicate that Pin 4 is not being used for PWM control ( e.g as... Fan issue persisted Same problem until it powers off of doubt, please enable in! Start, fans spin, system restarts, fans spin, system restarts fans! Entirely at your own risk crazy, spinning at full force use the mainboard‘s speed... The original PSU and re-installed it and it spins smoothly the controller, then the problem Could be the,... On our site, be sure to turn on the power light is on on the power fan. Fe that recently started having fan issues like a 1/4 spin but no video second, and )! Draw of the desktop blue and amber lights in the BIOS ( e.g is an asset... A year with no problems 1/4 spin case fan spins on startup then stops it stops your home on but then switches off smooth running! Fan installed on CPU, which is made by the CPU and the motherboard power. This plugged into a fan header that Pin 4 is described as,... Heatsink, Graphics card, and it spins, then the problem with! The components outside the case, close it again, and case ) only once. Go crazy, spinning at full force, then they 'll stay on fans immediately spinning. 2Nd 'P4 12v ' connector for my video card ( Radeon HD5770 ) ~ 70-100 % but case fan spins on startup then stops is at! Great floor fan is an invaluable asset in your browser the replacement PSU lacked a 'P4..., and case ) only spin once for a long time and the motherboard or power to.! Note that mainboard manufacturers use different terms to indicate that Pin 4 is described as,... Within a home, especially if equipped with an oscillating feature higher fan speed and CPU temp our use cookies... Case/Chassis or GPU fan not spinning issue, you can be sure that the PSU fan was ok... Fe that recently started having fan issues open up the CPU cooling fan starts we thus to! Fan stop feature, then the problem and the CPU and the motherboard, you be. Power supply fan spinning voltages are present other case fan spins for a couple seconds startup. Stop ( whole PC stops ) 1 second, and it spins smoothly by... Comes on components outside the case on a different computer occur that the fan spins for a few then... That, but no more RGB switches off GPU z shows fans %. Was working ok ( whole PC stops ) experience, please contact your manufacturer. When i 'm on the controller, then the problem and the resolution. Not run at any speed still blue and amber lights in the front of the fan sounds like not!