This might be (as it usually is) a PSU failure. Then I have to keep pressing power button and power off the laptop. The hard drive is plugged in, the ram is brand new, and the PSU is also new. Please log in again. So, first things first. @jessica_fawkes. It just keeps doing that. Hardware and Technology. 03/04/2019 by If not... buy a new motherboard. PC won't turn on. Somewhere along the chain of you pressing the power button and power being delivered to the components, there’s a problem, and the most likely of them is that something isn’t plugged in right. Here’s how to fix this. This might be the most demoralizing of all PC fixing problems, because you don’t have much to go on. Initially, the fans spin about half of a rotation before they shut off. I need to hold the power button in order to shutdown my computer. Hello everyone. It solved my similar issue. Have tried all fixes listed. The outlet works just fine. Check to see if the blades are able to spin at all by manually trying to manipulate them. I have tried the following already-Clean stuff with Compressed air. A beep code will give you … A couple seconds later, the fans will try spinning again but they won't start again. Loose RAM? The green light isn't even on. Blades Won’t Spin. Just stays on with the fan blowing so loud I think the thing is about to explode. Previously I had Windows 8.1 and no issues at all. They come with a passive cooling mode that is designed to help them cut down on system noise. [Solved/Closed] Report. This just gets better and better! Page 1 of 2 - PC wont turn on, fans spin for 1 sec - posted in Internal Hardware: Hello there! If you're asking about the RTC (Real Time Clock) coin cell battery then measure its voltage when it is disconnected from the motherboard. Jim. Today I was playing some warthunder when suddenly my pc just turned off. Editor’s Note: This post was originally published in November 2017 and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness. Joshua Wilson. @random_user_101. If that doesn’t work then try starting with a minimum configuration, power supply connected to mother board, one stick of memory unless the memory is paired. If this is the case, you can have a new one installed on your computer. The login page will open in a new tab. Some motherboards have a key componation that resets the BIOS or remove battery clear . 2. Computer Building Previous Next the unknown Senior member. There are a few things to try. Thinking it was the PSU I picked up a new one but that didn't fix it. screens don't receive any signal from the PC. Is the power cable plugged into the wall and the ot… Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check … 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. The bearings could be replaced, but it is a rather costly repair. I have tried unplugging the PSU and holding power for 30 seconds and that didn’t work. This has happened ocassionally throughout the years but after powering it on and off a few times it would finally start. In this case, you can insert one at a time then try and confirm which one is problematic. I reseated the RAM and the connectors and still nothing. And would I need to put the battery back in after the 10+ minutes is up? The desktop still does not boot. Fans spin for half a second and then turn off. Jessica Parnelli Fawkes You’ll probably need to replace it. I press the power switch on the psu, the fans start spinning for a split second, then they stop. Nothing more. I tried removing the gpu but the same thing happened. Have you tried various components in another working system? If your computer won’t boot, but the fans spin, and you hear a beep sound as if it is booting, then one of your peripherals could be causing the problem. You can also try switching positions of the RAM cards to different sockets. Remove MOBO and re-seat everything (Ram/CPU/HDD) Note: In semi-passive cooling mode, the fan may spin during powering on the PC and then stops during idle or low workload situations. In this instance, a lot of users actually finish their build and use their systems for a given length of time before they notice that their GPU fans aren’t spinning. My problem is the same as many others I have seen listed. Most newer motherboards will have LED indicators and if they aren't all on, it's a sign that the board's gone. If this doesn’t work you MAY have a bent pin on the CPU or the like. 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. Forums. I tried to turn … When your computer’s components are faulty or are damaged, they can prevent your machine from booting. Good luck. Suddenly yesterday, My perfectly working PC won't start up. Let us know in the comments section below. PC wont turn on. Can't even get bios. B. bmc Honorable. There are three main reasons why your computer won’t boot but fans spin: When the power supply to your computer fails, then it won’t start or power up, but the fans spin regardless. Any healpful ideas guys? I have tried many things and need help Thank you Last edited by syberpro; 29 Dec 2015 at 20:38. What is the problem? Yesterday my PC was working fine. It worked normally until one day it would not turn on. Fans spin for half a second and then turn off. I shut it down, the next day I try to turn on, only the fans start spinning and glowing, other peripherals stay off. Corrupted BIOS? . Believe it or not, some graphics cards won’t spin until they hit a specific temperature. If you see a yellow or amber light on, it could indicate a bad motherboard. I just went to turn it on and this happened. Bad PSU? Thank you for the advice. But; except for a very few, fairly old PC's, it won't ever keep the PC from turning on; it's one of those urban myths that seems to persist despite its fallacy. Forums . From your description of using random parts I would guess that one or two parts may be defective or incompatible. Here’s what you can do if your computer won’t boot but fans spin. What would cause a PC to have all of its fans spinning, but no power? I bought this PC 2 years ago. Joined May 12, 2011 … Without the same electrical requirements, it will not be able to turn the fan back on. Graphics card - on bopard or a card in slot? I unplugged all cables from the motherboard and all power cables from fans, HD, CDROM. I've got the POST test card now and some of the lights stay lit on it but it doesn't seem to show any codes just four lines in the led display where the codes are meant to be. Such components include RAM chips, motherboard, and even the BIOS. Similarly, when your computer won’t boot but fans spin constantly, it could be a sign of high temperatures or overheating in your computer, which if not dealt with, can cause your computer to fail or refuse to boot until it cools down. it could be that fan c is just dead and won't allow the other to spin due to some power delivery thing or a motherboard security feature etc. Here's a video. I even purchased new RAM & a power supply. The lights would come on, the fans would spin (case fan, cpu fan, power supply fan, video card fan). Also how would I fix corrupted BIOS? Taking the faulty ram out solved the issue for me. … Thread starter obetskie1960; Start date Sep 28 ... Btw, prior to the above steps, right after replacing PSU I just clean the RAM and turn it on but the fan will just spin for half a second and turn off. jcee Posts: 11 +0. Terms — Previous Next Sort by votes. I tried to turn it on but only the LED's would come on and I could hear (I think the Disk Drive) try to spin up a couple of times, only for the computer to shutdown immediately. Whenever I press the power button the fans all spin, four lights turn on and stay lit on the motherboard but the PC doesn't actually start. Dec 26, 2013 12 0 10,510 0. This will reset the BIOS setting to the “new” computer defaults. Often, it has enough power to run the fan (low-power) and hard time running anything else. I click the power button with no results. Random _User_101 If no change, unplug and take out everything (except the CPU and power switch, unless you can use a screwdriver to touch the two pins of the power switch, that'll turn it on just like pushing the power button), then take out the bios battery, and unplug the PSU from the WALL, then try it (yes I know there is no power, but the fans may move a little while the power is dispensed) then try it. I've seen this happen before a couple times where a power spike or something will damage the motherboard to the point to where it won't boot up, but all the fans will still spin up. However, if the fan is not spinning under high GPU load or when running heavy games then it is something to be worried about, and have to identify the real cause of it. If your fans spin beyond the normal way, you need to check that the airflow around it is not hindered. From your description of using random parts I would guess … My computer will not boot. Any help will be highly appreciated. Power cord is fine, f10 will not start BIOS. The rest of the parts of the PC are random parts I had around(Motherboard, CPU, case). … No beeps, No errors. Fix PC issues and remove viruses now in 3 easy steps: Disclaimer: to remove errors, you need to upgrade to a paid plan. One of the reasons your computer won’t boot but the fans spin could be a bad RAM. Turn on the power and verify that the fans are working and voltages are present. Gently remove the silver “coin” battery from the motherboard. i7-4790k, Asrock Z97 Pro 4, … When do I put the coin back in, 10/23/2020 by PC issues and remove viruses now in 3 easy steps: The 6 best motherboard information software to use, List of computers compatible with the Windows 10 Fall Creators Update, your peripherals could be causing the problem, Top 3 best laptop cooling software for Windows 10, Best Windows 10 laptop cooling pads to use, PC won’t boot after BIOS update? Troubleshoot the cause of the beep code if you're lucky enough to get one. Sometimes the motherboard could have bad capacitors, which may cause the computer not to boot but the fans spin. The best way to clear ram is with a cloth and gently. This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. it could be that 3 fans on a single header exceeds 1 amp which could damage a motherboard. Nothing really. We’d love to hear from you whether any of these solutions worked. 10/22/2020 by I have used the PC before, and it worked. 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. Hard drive plugged in? The fans actually go crazy, spinning at full force. You can try a different wall outlet and plug into it, then try to boot your computer again. What do I do with the battery, do I plug it back in or get a new one? I replaced the motherboard but the problem still presists. Tried turning on the PC again. If your computer won’t boot but fans spin continuously, it indicates a problem that needs to be resolved as soon as possible. Any idea? I had issue with the ram.. 1 of the ram stick was faulty. The RTC battery maintains the BIOS setting when the power is disconnected or turned off from the desktop. This is different. Accessibility. @lightnwire. Oddba11. I took it to a computer repair shop & they said I needed a new motherboard. Turn on the power and verify that the fans are working and voltages are present. Systems. Oct 5, 2016 #1 Fairly sure it's a dead mobo but would like confirmation. After logging in you can close it and return to this page. Tried turning the computer on again, by using screw driver to short the power switch pins. There is no beep however, and no video. If you see a yellow or amber light on, it could indicate a bad motherboard. I've had some that lasted 7 years and others 4 so it is always prudent to check the voltage anyway. Re: Computer Won't Start, Fan on Full Blast Jump to solution Have similar problem and just posted a new thread on it: Power supply test - on button . Fans spin for a second but comp won't turn on (Solved) Thread starter the unknown; Start date Oct 5, 2016; Tags fans spin mobo won't turn on z97 asrock pro4; Sidebar Sidebar. Whenever I press the power button, The Fans spin up a moment and Stop (whole PC stops). In this case, remove the RAM from its slot, then clean it and return it back to the same slot or try a different slot altogether. Add a comment if there’s anything specific about the machine. @jayeff how do I test to see what voltage the battery has? juancrg Posts 2 Registration date Monday August 11, 2014 Status Member Last seen August 12, 2014 - Aug 11, 2014 at 11:11 PM kudakwashe - Mar 4, 2019 at 10:37 AM. You can check the voltages coming out of the power supply, you can check the cables to make sure they are seated properly. Dec 22, 2007 374 4 81. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. Hi, so I recently finished a PC build and I went to power it on the fans spun, but no startup. It's a 3.0V DC battery, if it is <2.6V DC replace it. I recently installed an SDD and since then im having the issue. Have you tried unplugging everything except 1 RAM card (alernate these) and power supply? Status Not open for further replies. I have no clue what else it can be. It is a non-rechargeable Lithium battery and it usually lasts for 4-5 years before a problem may occur, but this can vary. If you open your computer, remove all connected devices and expansion cards, then turned it on again and it still won’t boot but the fans spin, then you’re probably looking at an issue of power supply. Random _User_101, I think for a corrupted BIOS, you can download a new revision of it and burn it to a flash drive, than try to boot from USB. Also, if there's a graphics card, and your monitor is plugged into that, try switching to the onboard video ports on the mobo. Of course, we suggest unplugging the power cord and removing, primarily, all external peripherals and then moving to the internal hardware. Thank you Sent from my GT-I9205 using Tapatalk . It won't turn on anymore. That would be my 2 cents However, the fact that nothing happens is a clue in and of itself. The desktop shows it is receiving power and the power LED lights up when it's pressed. Hardware. Thread starter jcee; Start date Oct 30, 2007; Status Not open for further replies. If you find that the blades are unable to spin, then the bearings in the motor are likely frozen. List anything you've done in attempt to diagnose or fix the problem. This involves unplugging or disconnecting any external hardware such as printers, USB drives, scanners, among others so that you leave only the basic components before trying again. Computers that generally don't include an integrated display, and are meant to be stationary. If your computer won’t boot but fans spin, you can also note down the sequence of the beeps or flashing lights your computer shows while trying to boot, then check with your computer’s manufacturer what the sequence means. When I shutdown the computer, sometimes the fan keeps running till the battery drains out. Thread starter bmc; Start date Jan 3, 2014; Sidebar Sidebar. PC won't turn on. Im new to this forum so I hope you can help me with my problem. Does anybody know what is wrong and how to fix it? If you know where they are, short-out the two pins with the jumper OTHERWISE just leave the computer unplugged for at least 10 minutes or longer. I'm guessing I connected the pins from the case to the motherboard wrong, but I'm not sure. Hello everyone im having an issue right now that my computer won't shutdown the leds and fan still keep running after the screen has turned black. PC won't boot: no fans no power but led on mobo comes on. (If it has any), © 2021 iFixit — Licensed under Creative Commons — Privacy — When I hit the power button the case fan blows SOOOO LOUD and the computer won't boot. PC specs: asus h110m-A/m.2 intel core i7-6700 (stock cooler) This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Don’t apply any liquid. Fix As mentioned earlier, one of the reasons your computer may refuse to boot but the fans spin include a poor power supply. *sigh*, 03/15/2019 by Jessica Parnelli Fawkes, Is there an OS on the drive? When the battery voltage gets below 2.6V then there is a chance that the settings can become corrupted which can prevent a normal start when the desktop is turned on. 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. Check the motherboard. Joshua Wilson, DrGlowire Notice the CPU fan spins for half a second and stops. O.K., now unplug the power cable from the power supply and press power button for 10 seconds. If all else fails, get a qualified computer repair technician to find out what the problem is and how to get it fixed. Fans spin loud. Windows 7 Updated to Windows 10 you were doing your work if the computer turned off then on 2 times without any problem then 3rd time died you see dark blue screen then everything black what you do. Fans don't even attempt to spin, no LED Lights, no Beeps, its like the PC is completely unplugged. Because it could not be detecting. Hi, I have installed windows 10 in my Inspiron 15 3542.