For a better experience, please enable JavaScript in your browser before proceeding. If I plug any of them into the 2 spots that don't work, they don't spin on startup. The best would be to buy an adaptor or a case fan that runs from the power supply via a Molex connector. Thread starter yellowfin; Start date Sep 22, 2020; Sidebar Sidebar. But power LED is on Please help me. Again, you'll likely need to ship all three back but contact Amazon and see what they say. Fans might spin slower if your CPU for instance is not under load and spin faster when it gets hotter, but with case fans it's either on or off due to malfunction or not plugged in or when temps get higher in the case. If a fan will not work no matter where you connect it, assuming you have used a 12 VDC source connection, then the fan is dead and should be replaced. Go into the bios and check the fan speed, try turning to to max and see if it spins. CPU Fan Spinning Slow Next, turn your system on and the remaining fans should start spinning. If you do not see LED lights or any of the fans are not spinning, double check their connections to make sure they are secure and not lose at any point. In my BIOS these are fans 3 and 4. Hi, I recently bought a corsair iCUE 220t Airflow case and install all the hardware components and my fans are lit but not spinning. When I first turned on the PC, ALL the fans were lit up, but when I started to mess around with the settings in Icue, I couldn't get 2 fans to light up. So, I got myself a new gaming pc, and what I have for fans are 8 altogether, 2 should be connected to the RGB corsair pump. 3 in 1 pack with fan controller & ARGB LED Strips Dual-Ring Design The Prizm ARGB series case fans come in two sizes -120 and 140 mm, and feature a dual-ring aperture design, which allows you to display RGB effects on both sides of the assembly. I have an Acer Aspire 3 laptop. If you return it to Amazon, you will need to return all three. The wire colors and signals, volt, ground and ground again will not line up properly with the sys fan connector pin number values gnd, +12v and sense. Computer whirs/works hard when gaming AND running nothing. Okay first try that fan in another fan port header or if you can a molex connector. And when that happens, the fan will stop spinning too. Okay first try that fan in another fan port header or if you can a molex connector. The fan can get clogged with dust and lint hence preventing it from spinning. It suddenly begun to exhibit no display whenever I turn it on sometimes. Those are permanent magnets that do not "shut off". They normally always start spinning when i boot it up. Ryzen 9 3900X CPU fan stops working after 20 minutes. - try spinning it by hand to check that it turns freely. I have the TD500 Mesh case with the fans connected to the controller and the controller connected to the SATA cable from my PSU. If the fan does not spin on the ports that you know work then you know that the fan is the problem, Then you can replace it. However lately the top fan in the front of the case has sometimes when i turn it refused to spin. You must log in or register to reply here. But reversing polarity could blow the LED and smoke show of the PWM board that drives the fan motor... however the fan isnt spinning anyways so I suppose maybe just a puff of smoke from whats already not working. If it doesn't turn freely, try WD-40, or just replace it. Mobo lights work, fans dont spin, PC doesnt boot, PSU gone. I turn on my computer and my top case fan stopped working randomly, the LED lights still work but the fan wont spin and i checked the cables and everything works but the fan just wont spin, any help? With FDB technology for low noise and long life, multiple color options, and on-the-fly light switching, Spectre Pro LED is the new gold standard in performance case fans. Hi. When I turn on the computer, the fans light up but do not spin. 3 pin from each fan just tucked away in the case. If it is and the fans still do not spin, please contact our Customer Support Team for further assistance. All the fans lit up fine, except one of the case fans wouldn't spin (actually, it spun for a few seconds the first time I booted up my computer, but that was it.) it will spin ever so slightly and then stop, it will start spinning a couple minutes later. But they interact with electromagnets that are switched on and off in the structure surrounding the motor central core. You can even refer them to this thread as evidence of your diagnostic routine having been performed. At my wits end with Corsair iCue h115i RGB Pro XT - RGB Lights Not Working, pc turns on, fans and rgb works, but my mouse an monitor wont show or work. And you should NOT need any third-party RGB controller. The case comes with a 3-from-1 RGB Splitter cable so you can connect all three fans' RGB cables to a single mobo plain RGB header, and supply those lights with all the power and control they need. Previous Next yellowfin. I can push them forward and they spin and keep going but they can't start spinning them selfs. Hi, so I recently finished a PC build and I went to power it on the fans spun, but no startup. The only problem was that the system_fan had been previously used by the rear fan for airflow, and having no airflow seemed stupid so I connected the rear fan to the cpu_fan pin and it worked also. Fans spin but no video or power to mouse/keyboard. While 2 is them are working fine, the third one wouldn’t. Case Fans are not spinning. I updated the BIOS and plugged it into different headers, but it still refused to spin. Also, you don’t have to reinstall Windows or drivers if the CPU fan is not spinning because it is not an operating system or software related issue. You must log in or register to reply here. The problem is my new case fan wont spin. So, at the moment 6 fans, including the 2 pump ones are all lighting up, but the other two aren't. They re not expensive. no wires are in the way and everything is connected. The Tom's Hardware Show returns at 3PM ET on January 11th! Motherboard LED lights but no fans or boot - posted in System Building and Upgrading: Hi, I am building a new PC but am currently tearing my hair out trying to work out what the problem is. Case fans not spinning. So I just 2 new Bitphenix spectre 120mm Blue LED case fans for the front of my case. If you contact the fan manufacturer, they may be able to warrant only a single fan but likely if it has been within 30 days they will tell you to contact Amazon. That is normal. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. You just gotta buy a new fan. When I start up my computer all of my fans and LED start up fine other then the front 2 (new ones) do not start spinning but the LEDs come on and they budge a little bit. Forums. If I plug any of these 3 into the working spots, they spin on startup. For a better experience, please enable JavaScript in your browser before proceeding. PC wont boot, Fans spin for a second and stop. 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. its really concerning. The wires going into the fan can also get in the way of the fan blades and prevent it from spinning (these fans don’t have a lot of torque). Having one non-spinning fan became a bit of an eyesore. I wonder what my problem is. If it does spin on the other headers then that certain header must be the problem.-Good luck Step 11. You will need a 4 pin to 3 pin adapter converter connector. JavaScript is disabled. Yes. 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. 1 and 2 are spinning along with the CPU fan. Question When i turn laptop on,keyboard backlight and charging led light turn on but screen is black,fan not spinning and hard disk not on: Laptop won't turn on (No fan spinning , No screen) Solved! Other times though i've seen it OK. This is why they won't spin, they light up because you plugged in the addressable RGB header in the corsair node (which is what it's for) but not the actual fan header for your fans to spin, which is why they light up but aren't spinning. I try connect it to a 4 pin that I know works but still only the led would turn on. The big fan (On the side of the case) will not spin regardless. The hard drive LED light at the front of case stays on, the case fans (connected to PS connectors, not MB)and my Video Card fan all spin slowly. Question PC wont boot, Fans spin for a second and stop. Initially, the fans spin about half of a rotation before they shut off. I … If your motherboard is not getting power and the case fans are also not spinning, then it is an issue with the power supply, and you need to get it replaced if it is faulty. Computer Hardware. JavaScript is disabled. PC turns off when I open a game\ program like malwarebytes immediately, and power button wont work until I unplug my computer from the electricity. We can begin with the front panel. I even try connecting it via molex, but same thing happen. Reinforced fan blades prevent warping at high RPM levels, while focused airflow ensures cool air can reach all of your installed components. 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. Hello, I just got these new led case fans. • Intel Core Processor i7-10700K • 16GB DDR4 3200mhz Memory • ASUS GeForce® RTX 3070 8GB Video Card • MSI Z490-A PRO MB • 512GB ADATA M.2 PCIe SSD If they do not spin, make sure that the Smart Device is properly detected in CAM, and also that it is properly connected to power via the SATA power cable. - try plugging one of the other fans … fans still all spinning , nothing on screen. Then, bad fan as you said. Question Fans spin but no video or power to mouse/keyboard. The mobo cpu_fan pin was still busted as the last time, so I tried to connect the cpu fan to the system_fan pin instead and it worked wonders, the cpu fan spinned and all! 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. I turn on the comp and the cpu cooling fan works but the case fan wont spin. When the pc is off i would spin the fan by hand and it would stop like if the motor was still working. That IS what your mobo LED_C header is, so you have the right hardware to do this. If anything in the electronics of the motor causes that switching of power to fail, OR if the motor's bearings get so badly worn or dry that they have too much friction, the motor still can fail to turn. The Tom's Hardware Show returns at 3PM ET on January 11th! I need help. Sep 22, 2020 2 3 15. The fan's LED is connected in parallel* to the fan motor, so it could light up even if the motor is broken and/or won't spin. I have a comp with a case fan, and this comp or the fan, sporadically behaves in a funny manner, the fan will spin then slow, a lot, then spin then slow a lot. Laptop has no display and fan not spinning. New Build keeps rebooting and then goes to sleep. I have tried unplugging the PSU and holding power for 30 seconds and that didn’t work. >> Re: LED CASE FAN NOT SPINNING ( but light works ) Do not plug it in. i recently got a CyberpowerPC desktop With a GTX 1070, I7 7700K 4.20 GHZ, Asetek 120 Water cooler, and 3 white LED fans. System Building. Why do my CPU and case fans spin but no startup? Now that everything is working properly, we need to place all the panels back onto the computer. Don't worry tho, you can buy a fan HUB. I do not have an ARGB compatible mobo (Asus B450M) so I did NOT … The iCUE software detect them, i can change color schema on the but no spin. 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. Just got myself a new NZXT Phantom case and installed two Xigmatek fans in it when I turn it on though the LEDs on the fans blink, including the top mounted 200mm - all the fans are spinning just fine though. 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