Whenever I have a computer fail and don't know why, I generally get it down to the fewest components possible: power supply, mobo, cpu, heat sink, ram, and harddrive (hdd). A lot of cards these days the fan(s) don't spin until the card hits a certain temperature. HDMI plugged into GPU (EVGA FTW3 Ultra 3080). The fans were spinning loud but everything else just seems fine. Powered the system on. The safe thing is for the fans to power up in the on state. You hear the fans all start to blow, disks might start to spin, and you might see some lights come on, but all that tells you is the computer has power. I built my new computer tonight, however it won't start. My RX 570 is one of those where the fans don't spin up until the card gets of 50°C or so. So it could be the power supply. Dec 26, 2010 #9 The fans spinning up don't mean the computer is working. 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. When I turn it back on the fans do the same thing and usually it doesn't even finish the boot sequence before turning off. Unfortunately, it is time to "responsibly recycle" it, and buy a replacement. 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. > This computer is 9 years old, but has run perfectly all these years with no problems, so I don't want to give up on it. Then plug power cable in and switch on. There is no beep however, and no video. I'm just glad I don't have to wait weeks and do this all online. I just transferred my computer components to a new case, it had previously been working fine. Opened the case. The other day I was using my computer and it randomly shutdown on me without warning. The com work fine b4. There is power to the motherboard, because I can hear and see the fans when I turn it on, however the CPU fan doesn't move. - I dusted the case, (it was not that bad anyway). Depends on the card. After Windows loads (about 2 minutes after turning on the computer), press the power button briefly or press the Suspend key on the keyboard to see if the computer comes out of a suspended state. If this doesn’t work … Computer powers on but does not boot & fans don't spin [Solved/Closed] Report. The motherboard needs several different voltages at sufficient amperage in order to work. That's one plus out of all of this... M. Maverick6969 Member. Forums. Both service and cpu fans spin briefly then stop.. then this repeats on and on. Today I was playing some warthunder when suddenly my pc just turned off. The computer seemed pretty hot. I tried to turn it back on but the fans would only start to spin up but it wouldn't post. So I just 2 new Bitphenix spectre 120mm Blue LED case fans for the front of my case. You see lights on the computer case, probably hear fans running from inside, and may even hear sounds, but nothing at all shows up on your screen. If Windows was recently upgraded, Windows might be starting up into a Power Saving state and producing the blank screen before it loads. Initially, the fans spin about half of a rotation before they shut off. If your computer is, in fact, showing information on the monitor, but is still not booting fully, see How to Fix a Computer That Won't Turn On for a better troubleshooting guide. › computer turns on but no display no beep › [Solved] My computer doesn't turn on even though power › [Solved] PC Turns On No Display No Beeps HELP › Pc turns on but no image display. 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 . 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. … This just gets better and better! 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. If it does die of old age, the PC will have the wrong date and time which can be dangerous for Windows; but, it still turns on Same sypmtoms - I replaced the service fan. If so, then two things must be at work here: 1) your power button is programmed to put your computer to sleep (instead of shutting it down), 2) your BIOS is configured to put your computer into shallow sleep state (S1), instead of deep sleep state (S3). I have a Lenovo Y 50-70. 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've made a few posts here so sorry if you're sick of me, apparently i'm destined for pc problems. Then it happened again yesterday. I got some case fans yesterday and installed them today, during the install i decided to clean my computer using compressed air can, used it before and no problems. So you're not posting. So the motherboard lights up, but when I go to turn it on the fans don’t spin (PSU, case fans, CPU fan.. none of them) and the computer doesn’t boot. The computer is on, of course, with the monitor getting it's signal from the board's VGA port. Build my PC. The computer will then just turn off a couple of minutes later. If the fans are off when they should be on, chips may be destroyed. If it's not on, or you don't see one then look at the little bundle of wires going from the power supply to the motherboard. A few months ago i built a system through a popular computer company, ibuypower, and was initially pleased with the performance of my PC. Plugged it in - the fans started making whirring noises, but no lights came on, and it wouldn't turn on, nor would it turn the fans off if I held down the power buttons. When the power supply to your computer fails, then it won’t start or power up, but the fans spin regardless. The computer works well for a couple of days. Fans would spin… The first recommendation would be: stop trying to use power button to shut down your computer. They normally always start spinning when i boot it up. If the computer opens into a suspended state every time … I let it sit for an hour and everything seemed fine. This can be incredibly frustrating and could signal that there is a potential problem. The fans actually go crazy, spinning at full force. Now whenever I turn it on, the fans/etc. Here are my specs: Motherboard: Biostar G31-M7 TE Cpu: Intel Core 2 Quad q6600 Gpu: Geforce GTX 260 PSU: Cooler Master Silent Pro 1000w Hard Drive WD 160gb Then I tried turning it on one day - nothing. › Emachine Fans turn on, but computer wont. I don't bother to repair it but instead I bought a new 700 watts PSU. 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. Assembling new rig, computer turns up, fans spin, no video... Thread starter Sulaco; Start date Dec 25, 2010; Sidebar Sidebar. The fan on my computer won't spin (and the computer won't turn on) but everything else turns on.? It was not being used for a long time, was not plugged in. This computer turns on but no display on monitor screen with led light on and fan spinning. 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. I have a P4 computer i try turn it on , and the computer only power light turn on and fan spin few sec and stop. 3 hours ago. Sometimes the motherboard can be the most economical fix but obviously is a waste of money if you don't need one. Led green light is on but no post or beep sound. Here are my specs: Intel Desktop Board dg33fb Intel Core 2 Duo E7500 @2.93 GHz (stock) w/ stock cooler And the easy fixes aren't working. ... remove any extra fans or lights, etc. It only means the fans are getting 12 volts. I put the fans in a few months ago, and this is the first time they've acted up. … This will reset the BIOS setting to the “new” computer defaults. See More: Computer turns on, fans spin, no display. turn on for approximately 1 second, then everything immediately shuts off. ... Windows 10 Pro New 28 Aug 2019 #2. Same sypmtoms persist. 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). I can push them forward and they spin and keep going but they can't start spinning them selfs. The fan can get clogged with dust and lint hence preventing it from spinning. Feb 10, 2010 154 0 71. After replacing the PSU I turned on the PC but i found out that the CPU fan will spin for half a second and turn off. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. This time I took notice of every detail. Make sure it is still firmly plugged into the MB. Hardware and Technology. I powered off the system. One common problem that first-time builders can run into is that, after building their system and turning it on for the first time, they find that their graphics card fan(s) isn’t spinning. 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