When the pc is off i would spin the fan by hand and it would stop like if the motor was still working. The iCUE software detect them, i can change color schema on the but no spin. 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. Computer whirs/works hard when gaming AND running nothing. Case fans not spinning. The problem is my new case fan wont spin. 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.) Go into the bios and check the fan speed, try turning to to max and see if it spins. You will need a 4 pin to 3 pin adapter converter connector. 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 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). Again, you'll likely need to ship all three back but contact Amazon and see what they say. Reverse polarity if the LED doesnt light but the motor starts to spin the fan then you would know that this is the cause. 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. 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. I even try connecting it via molex, but same thing happen. 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 the TD500 Mesh case with the fans connected to the controller and the controller connected to the SATA cable from my PSU. I updated the BIOS and plugged it into different headers, but it still refused to spin. Initially, the fans spin about half of a rotation before they shut off. And when that happens, the fan will stop spinning too. If you return it to Amazon, you will need to return all three. Having one non-spinning fan became a bit of an eyesore. However lately the top fan in the front of the case has sometimes when i turn it refused to spin. 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. 3 pin from each fan just tucked away in the case. Step 11. If I plug any of them into the 2 spots that don't work, they don't spin on startup. In my BIOS these are fans 3 and 4. 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. 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. Hi, so I recently finished a PC build and I went to power it on the fans spun, but no startup. Hello, I just got these new led case fans. For a better experience, please enable JavaScript in your browser before proceeding. Why do my CPU and case fans spin but no startup? The fan can get clogged with dust and lint hence preventing it from spinning. For a better experience, please enable JavaScript in your browser before proceeding. Computer Hardware. 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. i recently got a CyberpowerPC desktop With a GTX 1070, I7 7700K 4.20 GHZ, Asetek 120 Water cooler, and 3 white LED fans. 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. I try connect it to a 4 pin that I know works but still only the led would turn on. Hi, I recently bought a corsair iCUE 220t Airflow case and install all the hardware components and my fans are lit but not spinning. Yes. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. But power LED is on Please help me. Mobo lights work, fans dont spin, PC doesnt boot, PSU gone. You must log in or register to reply here. I do not have an ARGB compatible mobo (Asus B450M) so I did NOT … 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. 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. Thread starter yellowfin; Start date Sep 22, 2020; Sidebar Sidebar. 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. it will spin ever so slightly and then stop, it will start spinning a couple minutes later. 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. I need help. 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. 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. Hi. 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. 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. 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. - try spinning it by hand to check that it turns freely. 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? PC wont boot, Fans spin for a second and stop. Those are permanent magnets that do not "shut off". Question PC wont boot, Fans spin for a second and stop. • 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 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. The big fan (On the side of the case) will not spin regardless. That is normal. its really concerning. 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. The Tom's Hardware Show returns at 3PM ET on January 11th! Laptop has no display and fan not spinning. Previous Next yellowfin. Ryzen 9 3900X CPU fan stops working after 20 minutes. 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. When I turn on the computer, the fans light up but do not spin. Question Fans spin but no video or power to mouse/keyboard. 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! 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. 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. Next, turn your system on and the remaining fans should start spinning. If it does spin on the other headers then that certain header must be the problem.-Good luck The CPU fan stops working after 20 minutes spinning when i boot it up 3900X. Sep 22, 2020 ; Sidebar Sidebar try turning to case fan led on but not spinning max and what... No display whenever i turn on new case fan not spinning ( but light works ) do not regardless. Return all three `` shut off they say or just replace it can even them! 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