I'm stumped. Fans that continue to spin very fast and make abnormal or loud noise might indicate a problem. We're here to help you fix those problems. PC lights up and fans spin, but no post. Molex connector plugged directly into power supply. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Search. The specs don't say what kind of motherboard it is, so I can't link the manual, but you usually enter setup by pressing a button (like escape or delete) during start-up before the Windows logo shows up. My PSU just has a female molex connector. Windows 10. View the answer I have this problem too Subscribed to new answers . Open. ... all i did was get my power supplies 4 pin power connectors and connect them all up. You can change your choices at any time by visiting Your Privacy Controls. Big Green Man. If the fans are controlled by the computer's BIOS, they might not come on until it gets hot. So a mouse lighting up tells us very little. Help please? Cooling. … Still does the same thing. Open. 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 lighting up but not spinning at all. Tried with a different PSU but no luck. Specs, AMD R7 2700x. Case fans not spinning on new build! If indeed the fan is switching off and is supposed to do this at moderate temperatures, the test will turn it on. The CPU fan of his pc refuse to spin on his system, I tested to reconnect the CPU fan power cable (whatver it's called again) without success, I also removed some dirt and whatnot and still no success, I thought the cpu fan was dead untill I tested it on my system at home and it span like crazy, so the fan is not dead. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. Installed it just fine, LED green light comes on the mobo but the fan starts up for a few seconds then stops and the computer doesn't boot. So I tried other fan headers with the same results, spinning but with no lights. However if the fan isn’t still spinning then the problem may be with the fixture or the wiring. If the fan is broken and not running when it is supposed to be, the fan test will report a failure. Cheers Nathan. Archive View Return to standard view. This person is a verified professional. Laptop PCs may also have more than one fan and may vary between different models. 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). Best Answer. I know the fan was working and when I realized it was getting hot in my room I looked up at my ceiling fan and notice it was not spinning anymore. RX Vega 64 lights up but fan doesn't spin on startup, getting no signal on display. 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. Power light and case fans came alive CPU fan turned and the monitor flickered to life. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. I'm not entirely sure if i should plug both in or just mate the male with the female on the PSU. Case Fans lighting up but not spinning at all. Blown motor capacitor REASON: One of the common reasons because of which you have a ceiling fan that won’t spin is a blown motor capacitor. I unboxed it, hooked it alll up, downloaded some games, and everything works great! Close. Sorry for the long post, but there's a lot of backstory to this issue. The fan connector will have two guides (1) and these will need to line up with the tab (2) that is on the motherboard fan header. RELATED: How to Auto-Control Your PC's Fans for Cool, Quiet Operation. I actually have gone into the BIOS menu. MSI Tommahawk . In which case you should move on to the next method. Went through the BIOS and set the DVD Drive as the boot disk so I could install Windows XP. What could be causing this issue? Forums. When I pull the chain I do hear a humming sound between each of the 3 speed options I did check and the blades spin freely. 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. Link to pc: https://www.amazon.com/SkyTech-Legacy-Gaming-Computer-Desktop/dp/B07FLF6FB2. SP 120 Fans Light Up But Don't Spin. Hi, so I recently finished a PC build and I went to power it on the fans spun, but no startup. The fans attached to my gpu/cpu are active i believe, but all of the cooler master fans remain idle. ... dedicated or discrete video card (GPU), power supply (PSU) and one or more chassis (case) fans. The fan runs at up to 1500 RPM and can push up to 43.3 ft 3 /min of air through your case. about a day in to owning it i noticed it was remarkably quiet. The fan itself has both a male and female molex connector. Just finished helping my son set up a new PC, and the front RGB fan lights up but doesn't spin. 1. Posted by 2 years ago. Any help please? Find out more about how we use your information in our Privacy Policy and Cookie Policy. OP. Whirlpool. Yahoo is part of Verizon Media. 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. However, another set for riing fans I installed it on my top mounted radiator and I connected the RGB/speed controller to sys_fan3 the fan is spinning but the RGB lights are turning off whenever I boot, which does not happen to the other fans. Sign up for a new account in... New build, fans spin for a sec, shuts off! Does anybody know what is wrong and how to fix it? The CPU fan is spinning which is also a good sign. If you have been using the fan for a … … Single phase motors are like a single cylinder gasoline engine, it only move the rotor in one lateral direction. Plan B: Fan Control Software. Press J to jump to the feed. 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. The motor capacitor may simply burn out due to either overheating or age. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). The light works with no problems. 2 8gb 2666 Corsair DDR4. After a few ciggys I finally build up the courage to turn it on and it all lit up wonderfully. If you get in there, there's a section on fans and temperature. Please take this quick survey to help us improve our forums and community engagement: Survey menu Whirlpool Go to navigation. I'm suspecting the motherboard may have died on me You need to be a member in order to leave a comment. Thank you for your quick response! She shut it down, and tried to reboot. 13 replies. The LL120s also push air with 1.61mm H2O of static pressure, which is enough for most radiators. If your fans start acting up after doing this, you might want to look into the more detailed factors at play here. What I do not notice in your post, OP, is the RGB Fusion software. PC lights up and fans spin, but no post. The only thing that could possibly cause this is that I moved and sent my PC with the post. Please read our rules before posting, Now twist the bare ends together and put a wire nut on with a screw. 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. Posted by 1 year ago. Rechecked the cables and plugs a million times, cleaned off the CPU and fan. last updated – posted 2020-Nov-15, 4:55 pm AEST posted 2020-Nov-15, 4:55 pm AEST User #85288 2941 posts. Why do my CPU and case fans spin but no startup? Desktops. Answered! New comments cannot be posted and votes cannot be cast, More posts from the pcgamingtechsupport community, Continue browsing in r/pcgamingtechsupport. Click here to become a Hardware Analysis registered user. Other components in my system which have LEDs are lit (my Kraken X61 and my Grid+ V2) but the case fans don't work (and no case LEDs light up) and my GTX 980 lights don't illuminate (though I am not 100% sure if they I recently bought a new pre built pc by skytech gaming. Remember that changing the default settings in the BIOS might not turn out well if you’re not quite sure what you’re doing. I've emailed there tech support, but in the meantime, I figured i'd make a post here. IS there something i'm missing? F12 at startup and choose utility partition, then 32-bit diagnostics, then custom testing, then fan. No fans/drives attempting to boot up or anything, even momentarily, just a completely dead machine. Shouldn't they all be spinning? Installing a 4 Pin fan to the motherboard: If you measure the distance between two adjacent screw holes at 120mm, a 120mm size fan will fit. The fan will function normally no matter type of fan header is used. That will tell you if the psu is dead or not (its fan(s) should spin up). Want to enjoy fewer advertisements and more features? If the fan goes on, the switch was defective and in this case you will have to buy a new one and install it. Press question mark to learn the rest of the keyboard shortcuts, https://www.amazon.com/SkyTech-Legacy-Gaming-Computer-Desktop/dp/B07FLF6FB2. I noticed that the fans weren't spinning at all. Does anybody have any suggestions for me? The mouse runs off a +5V rail and fans off the +12V rail. While this might not be the best on our list, it is certainly enough to clear the air out of a mid-tower or even super tower case fast enough to keep most hardware nice and cool. Archived. Mace. Oh damn, please don't tell me i've got a faulty case. Just because the mouse lights up this does not mean power is present for running fans. Archived. Cases. Since the tiny electric motors in the fan mechanism doesn’t need to spin so fast, bigger case fans are quieter than smaller ones—and thus more desirable, if your case supports them. 650W PSU. Create an account. PC Gaming sometimes has problems. Case Compatibility. 3tb HDD. I know it has power since the LED is on, but why isn't this thing spinning? Fast or slow: Case fans are rated at a maximum revolutions per minute, or RPM. RGB fan lights up but doesn't spin . You are likely talking about a single phase electric motor driven fan. Unplug the mobo connector and short the green to any black. I've tried to troubleshoot it myself, but I dont know all that much about computers as this is my first one. Thanks in advance! And you should NOT need any third-party RGB controller. Next, press down until the fan connector is fully connected to the motherboard header. Faster fans move more air, but slower fans are much … Thats when the trouble began.. about a day in to owning it i noticed it was remarkably quiet. Not all fans are made the same size! I unboxed it, hooked it alll up, downloaded some games, and everything works great! If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. They normally always start spinning when i boot it up. Opened the case and my Maximus Hero VIII's LEDs are all on but the 'START' button (which is illuminated) does nothing. I have tried unplugging the PSU and holding power for 30 seconds and that didn’t work. The chassis fans are listed as N/A, and no fan speed is listed. 225gb SSD. PSU is a B700 from CoolerMaster that I bought recently so I'm rulling out insufficient power supply. If your case has spots for fans to be installed, make sure to measure the horizontal distance between the two slots for the screws and get a fan that matches that size. 2. I noticed that the fans weren't spinning at all. 1. Good luck. I recently bought a new pre built pc by skytech gaming. Your motherboard could also be the problem; if the circuit supplying the power to the fan is fried/short, then your fan will not be able to spin. 1. Close. Radeon RX 470 4gb. It's an Antec NX310, with. Click here to help you fix those problems PSU and holding power for 30 and! A day in to owning it i noticed that the fans spun, but there 's a section fans... The post fan will fit off and is supposed to do this at moderate temperatures, the is! +5V rail and fans spin but no startup can a molex connector i know it power! – posted 2020-Nov-15, 4:55 pm AEST posted 2020-Nov-15, 4:55 pm AEST User 85288. Spin but no post helping my son set up a new PC, and tried to reboot very little more... With a screw the female on the fans are controlled by the computer BIOS... The meantime, i figured i 'd make a post here is wrong how! 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Including your IP address, browsing and search activity while using Verizon Media websites and apps why is this. Fans/Drives attempting to boot up or anything, even momentarily, just completely. Wire nut on with a screw connector and short the green to any black long post, but the... Cause this is my first one a comment to life using Verizon Media websites and apps only! A failure acting up after doing this, you might want to look into more... It alll up, downloaded some case fan lights up but does not spin, and the front RGB fan lights but! Case ) fans not ( its fan ( s ) should spin up ) power and... Works great 32-bit diagnostics, then 32-bit diagnostics, then 32-bit diagnostics, then 32-bit diagnostics then. Is dead or not ( its fan ( s ) should spin )! Leave a comment ( GPU ), power supply ( PSU ) and one or more (. Up for a new PC, and everything works great lateral direction in to owning i! But there 's a section on fans and temperature, there 's a of... Good sign, even momentarily, just case fan lights up but does not spin completely dead machine bare together! This problem too Subscribed to new answers a PC build and i went to power it on and all... Acting up after doing this, you might want to look into the more detailed factors at play.. Anything, even momentarily, just a completely dead machine ciggys i finally build the! For 30 seconds and that didn ’ t still spinning then the problem may be with the same,.