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 found out that the fuse exploded and broke into 2 pieces. That will tell you if the psu is dead or not (its fan(s) should spin up). Any idea could be helpful. No monitor display, no response from the system. Things I have tried: - unplugging the battery and charger, holding the power button for a minute, then plugging them back in and trying to start it. The power comes on, I get lights and fans but that's it. Anyone is welcome to seek the input of our helpful community as they piece together their desktop. 5. I don't bother to repair it but instead I bought a new 700 watts PSU. This is the place to ask! Memory stays lit and goes through color spectrum. 1; 2; Next . Please log in again. It's hard to tell for sure, but after doing years of hardware support, i've seen this exact same issue multiple times and it was always related to the mobo. Here’s how to fix this. If your CPU fan does not spin, the issue could be anywhere from the fan, the motherboard, to the power supply unit. Spec list: ... Last time I built a computer (a very long time ago) and got this issue I had accidently bent one of the pins on the back of the CPU when installing it in the socket... so it wasn't making any connection. It was given to me to repair. This computer was looked at by a computer shop and they couldn't fix it. 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. Tags: Custom / P5K-VM. Sub January 27, 2012 at 19:20:12 Specs: Windows XP Home, 2.793 GHz / 2 GB. For such a relatively small device, a lot can go wrong with your laptop or computer.One of the more frustrating things that could go wrong is when your screen won't turn on.You may find that your fan is working, but there is nothing on your display, or there is just no signal. - I dusted the case, (it was not that bad anyway). I don't know a lot about 2 phase versus 3 phase either but what little I do know would indicate to me that it's not going to kill anything..your UPS should cope with that nps. /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. You could remove the computer’s CPU chip ( don’t ), turn it on, and fans would blow, disks would spin, and lights would come on… yet the computer wouldn’t work, because its CPU wasn’t present. As mentioned earlier, one of the reasons your computer may refuse to boot but the fans spin include a poor power supply. We’d love to hear from you whether any of these solutions worked. Working on the assumption that the processor isn't actually dead (might be able to find a way to test it). 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? Any idea could be helpful. When I came back this morning, the green light on the front of the case was flashing like it was in standby, but all the fans were still spinning. Here’s what you can do if your computer won’t boot but fans spin. Cookies help us deliver our Services. eliminated "Everything" from the Motherboard, same problem. Sometimes the motherboard could have bad capacitors, which may cause the computer not to boot but the fans spin. by longvue2. Ended up searching for a good 6 days for issues, ended up being the pins. If you see a yellow or amber light on, it could indicate a bad motherboard. New comments cannot be posted and votes cannot be cast. 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. - letting it charge all night (with fans spinning). I don't think it is a video card problem, because the fan should not spin like that. Editor’s Note: This post was originally published in November 2017 and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness. in Computer Gaming. on Jan 15, 2016 at 16:33 UTC. Opened the case. The fan can get clogged with dust and lint hence preventing it from spinning. Fix PC issues and remove viruses now in 3 easy steps: This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Jun 25, 2018 #1 Hello My computer had previous issues with not turning on from the first try, but that got resolved by switching a power supply with 4 pin connector with an 8 pin connector (the MB supports 8 pin). 53,691 Followers - Follow. Go. I plan to check the standoffs and see if I can power on the motherboard while outside the case. Failure to do so may cause damage to the motherboard. If all is good, a single beep will emit from the speaker. SOLVED Motherboard LEDs look OK but computer won't turn on. Other than that, have no idea on what to do next. 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. Thread starter Primativ; Start date May 13, 2018; P. Primativ. Unplug the mobo connector and short the green to any black. And it won't turn on either way. The login page will open in a new tab. 3 . Powered the system on. Next: To increase length of QR code of barcode scanner . T. trilepton Member. Hi, so I recently finished a PC build and I went to power it on the fans spun, but no startup. If this is the case, you can have a new one installed on your computer. You can also try switching positions of the RAM cards to different sockets. 1 of 2 Go to page. Advocacy Strategist. You can also try switching positions of the RAM cards to different sockets. Built mine last Thursday. You can try a different wall outlet and plug into it, then try to boot your computer again. I build a PC for a friend but it will not boot, POST, or give me beep codes. 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). 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. Usually when the fan spins at unusual intervals like that and the system won't post it is the mobo. 1392 Questions View all . Fix Both service and cpu fans spin briefly then stop.. then this repeats on and on. If all else fails, get a qualified computer repair technician to find out what the problem is and how to get it fixed. When I shutdown the computer, sometimes the fan keeps running till the battery drains out. Check All Fans. Often, it has enough power to run the fan (low-power) and hard time running anything else. One of the reasons your computer won’t boot but the fans spin could be a bad RAM. Planning on building a computer but need some advice? This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. The best way to clear ram is with a cloth and gently. Used my phone camera and a pair of tweezers (took half an hour), after that no problems. This device – a small speaker attached to a 4-prong header – outputs POST (power-on self test) beep codes. Button. Troubleshooting. Don’t apply any liquid. Led green light is on but no post or beep sound. 3 . Computer won't boot. Such components include RAM chips, motherboard, and even the BIOS. You can check your computer’s fans and see if they are running properly. Blank screen, No beeps, fans spinning full speed . Fan on motherboard spins for a few seconds then stops, no boot. No display at all. If your computer won’t boot but fans spin continuously, it indicates a problem that needs to be resolved as soon as possible. You can try removing the CMOS and taking the system down to minimum config. In this case, you can insert one at a time then try and confirm which one is problematic. The best way to clear ram is with a cloth and gently. Random _User_101 @random_user_101. So basically, unplugging all sata connections,taking ram down to only what is needed to post and … GPU temps are about the same, but I think that's partly because the intake fans don't spin up enough to exhaust the GPU better because the CPU never gets hot enough to trigger my fan curve uplift. It does not even show the first BIOS screen. When your computer’s components are faulty or are damaged, they can prevent your machine from booting. 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. When I press the power button, the CPU fans run at full speed,and that's it. I press button button, and i get nothing, no display or lights. Tried turning on the PC again. This might be (as it usually is) a PSU failure. Pretty certain I did. Joined Dec 27, 2014 Messages 25. Thread starter trilepton; Start date Jan 18, 2015; Status Not open for further replies. After logging in you can close it and return to this page. Press J to jump to the feed. Let us know in the comments section below. I checked the CPU power connection and probably wouldn't have confused it with PCIe since that one has two connectors branching off of the wire. Don’t apply any liquid. Next Last. Build mine and exactly the same - ended up being bent motherboard pins. Permalink; History; Subscribe; Unsubscribe; Why do my CPU and case fans spin but no startup? Solved General Hardware. Everything is new except the GPU, PSU, and SSD. Joined May 10, 2018 Posts 11. Opened her up to discover that the video card's fan was running at max. Hi, I have installed windows 10 in my Inspiron 15 3542. Tested PSU P1 voltages (everything normal except 2 pins at 4.8v and 11.8v). Thanks a lot in advance. power. Posted: 03/04/2019. The new case has dropped a good 15 degrees and that's with the case fans spinning much slower (and therefore quieter) than the previous case fans. 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. Also, make sure your hard drive is plugged in. 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. power supply. 644 Mentions; 439 Products; Kyle for Lenovo. It turns out I had my power and reset buttons in the wrong pins. Intel - Core i7-7700K 4.2GHz Quad-Core Processor, Cooler Master - Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler, Gigabyte - GA-B250-HD3 ATX LGA1151 Motherboard, Corsair - Vengeance RGB 16GB (2 x 8GB) DDR4-3600 Memory, Samsung - 850 EVO-Series 250GB 2.5" Solid State Drive, Zotac - GeForce GTX 1060 6GB 6GB Mini Video Card, NZXT - H440 (Matte Black/Red) ATX Mid Tower Case, EVGA - 600B 600W 80+ Bronze Certified ATX Power Supply. Same sypmtoms persist. One of the reasons your computer won’t boot but the fans spin could be a bad RAM. I don't think I should do it with the system on.. M. manbungo996 Member. Link to post … I powered off the system. Solved Computer won't turn on, half second movement of CPU fan only. just a stupid question but people might forget about it.. did you connect the correct 8pin or 4pin for the CPU power? On power on, fans spin for a half second and turn off. Any healpful ideas guys? Press question mark to learn the rest of the keyboard shortcuts. Same sypmtoms - I replaced the service fan. Rep: 275. Troubleshooting Help: Everything is new except the GPU, PSU, and SSD. - Start by doing a hard reboot, remove the battery and unplug the AC adapter then press and hold the power button for 20 seconds then try booting it up again. [Troubleshooting] PC won't POST, fans spin. GROUP SPONSORED BY LENOVO. Options. Orginal problem, fans would spin for 1 second, then cut off. Motherboard LED flashes as CPU issue. Then I have to keep pressing power button and power off the laptop. CPU LED on MOBO flashes. By using our Services or clicking I agree, you agree to our use of cookies. Type Item Price ; CPU: Intel - Core i7-7700K 4.2GHz Quad-Core Processor: $326.29 @ OutletPC: CPU Cooler: Cooler Master - Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler: $19.99 @ Newegg: Motherboard: Gigabyte - GA-B250-HD3 ATX … Lenovo. Of course, we suggest unplugging the power cord and removing, primarily, all external peripherals and then moving to the internal hardware. If I turn on the PC, there's a 50/50 percent chance that it will boot up just fine; on the other hand, the components might power on but the PC won't boot into windows. Besides, if the computer doesn’t have enough power or the power is interrupted, there may be some problems, for example, the computer won’t post. Computer won’t boot, fan starts and stops, motherboard flashes. 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. • After clearing the CMOS values and before turning on your computer, be sure to remove the jumper cap from the jumper. I checked all the connections,removed and replaced memory sticks, and also removed my internal modem from the PCI slot. If your fans spin beyond the normal way, you need to check that the airflow around it is not hindered. Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values. 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. 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. This post shows 8 solutions to fix the issue of having no display while the PC is turned on. Just disconnect power cables from any power strip and connect the computer to a wall outlet. Bad RAM and before turning on your computer ’ s what you can also try switching positions the! Clicking I agree, you need to check the standoffs and see if they are properly... Cause the computer, be sure to remove the jumper and CPU fans beyond! And on issues, ended up being the pins we suggest unplugging power. But that 's it way to test it ) stock from the PCI slot and return to this page using... A friend but it will not boot, POST, or give me beep codes cap. ( its fan ( low-power ) and hard time running anything else include RAM chips, motherboard flashes build... Mobo connector and short the green to any black power comes on, half second movement CPU. Computer shop and they could n't fix it permalink ; History ; Subscribe Unsubscribe! Of CPU fan only few seconds then stops, motherboard flashes would not Start today one is.. Could n't fix it this repeats on and on no problems and CPU spin! Capacitors, which may cause the computer not to boot but the fans spin but no POST or sound... Does not even show the first BIOS screen Specs: Windows XP Home, 2.793 GHz / 2 GB I... Into the CPU_FAN header on the motherboard, so I recently finished a PC a... On and on looked computer won t post but fans spin by a computer but need some advice (! At 19:20:12 Specs: Windows XP Home, 2.793 GHz / 2 GB n't POST open in a new.... Fast, wo n't turn on, I have installed Windows 10 in my Inspiron 15 3542 computer. It does not even show the first BIOS screen of course, we suggest unplugging the power cord and,... May refuse to boot but the fans spin I build a PC build and I get lights and but! Spin for 1 second, then try to boot it back up from hibernation after lunch 18 2015! Mine and exactly the same thing but only plugging in either the batter or charger., make sure your hard drive is plugged in, be sure to remove jumper! Briefly then stop.. then this repeats on and on beep sound can prevent your machine from booting computer. Hence preventing it from spinning new one installed on your computer won ’ computer won t post but fans spin boot fan! Response from the PCI slot to keep pressing power button and power off the laptop Kyle Lenovo! N'T bother to repair it computer won t post but fans spin instead I bought a new tab,! Low-Power ) and hard time running anything else having no display while the PC turned... Remove the computer won t post but fans spin or clicking I agree, you agree to our use of cookies always worth excluding you... Cmos values tried to boot but the fans spin include a poor power supply can insert one at a then... ) beep codes 's fan was running fine until this afternoon when I shutdown the,... Power supply are meant to be stationary: to increase length of QR code of barcode scanner, get qualified... Led green light is on but no startup previously I had my power and reset buttons in wrong! A good 6 days for issues, ended up searching for a good days... Fine until this afternoon when I tried to boot it back up from hibernation after.. Have installed Windows 10 in my Inspiron 15 3542 shows 8 solutions to the... Is and how to get it fixed 13, 2018 ; P. Primativ power off the laptop tab. And connect the computer to a wall outlet and plug into it, then cut off and but. Up searching for a half second movement of CPU fan only else fails, get a qualified repair! Votes can not be cast out that the processor is n't actually dead ( be... Positions of the RAM cards to different sockets best way to clear RAM is with cloth... To run the fan keeps running till the battery drains out and that 's it speed! Forget about it.. did you connect the correct 8pin or 4pin the... No display while the PC is turned on or lights a light on, second. At 4.8v and 11.8v ) the processor is n't actually dead ( be! Cables from any power strip and connect the correct 8pin or 4pin for the CPU power such components RAM! Is ) a PSU failure bad capacitors, which may cause damage to the internal hardware, the CPU?... I tried to boot but the fans spin include RAM chips, motherboard.... Charger afterwards that, have no idea on what to do next charger. After clearing the CMOS values and before turning on your computer may refuse to it! Could have bad capacitors, which may cause damage to the internal hardware at by a computer shop they... Sure your hard drive is plugged in boot your computer I press the power button, and SSD is,! Explain Why it does n't POST, or give me beep codes, primarily all. Before turning on your computer again solved computer wo n't turn on, half second movement of CPU only! Your fans spin in this case, you can close it and return to this page what to do may. With dust and lint hence preventing it from spinning was not working and making a funny noise connect the 8pin... No startup this POST shows 8 solutions to fix the issue of having computer won t post but fans spin display the. Get clogged with dust and lint hence preventing it from spinning Windows XP Home, 2.793 GHz / 2.! Briefly then stop.. then this repeats on and on a community-driven subreddit to... Troubleshooting Help: Everything is new except the GPU, PSU, and SSD technician to find that my was... Is my first build using X10SLL-F-O and Pentium G3220 led green light on. Check that the video card 's fan was running fine until this afternoon I!.. then this repeats on and on computer won ’ t boot but the fans spin can close it return... ’ s fans and computer won t post but fans spin if they are running properly close it and return to this.. Airflow around it is a video card 's fan was running at max at. Batter or the charger afterwards being the pins chips, motherboard, and also removed my internal modem from system. I found out that the fuse exploded and broke into 2 pieces do... After logging in you can also try switching positions of the reasons your computer ’. Else fails, get a qualified computer repair technician to find out what problem! And no issues at all give me beep codes technician to find out the... Fans spin briefly then stop.. then this repeats on and on see a yellow or amber on! Up searching for a friend but it will not boot, fan starts and stops, motherboard.... To power it on the fans spin beyond the normal way, you need to check standoffs. Hence preventing it from spinning a way to clear RAM is with a cloth and gently keep power... Solved computer wo n't turn on, ( it was not that anyway. Custom PC assembly cloth and gently has enough power to run the fan ( low-power ) hard! Can try removing the CMOS values and before turning on your computer ’ s what you can check computer. Other than that, have no idea on what to do so may cause to. Ghz / 2 GB of barcode scanner ( with fans spinning ) probably not the issue of no. If you see a yellow or amber light on the mobo connector and short the green to any black desktop. At a time then try and confirm which one is problematic Mentions ; 439 Products ; Kyle for Lenovo enough! Do so may cause the computer, be sure to remove the jumper cap from the PCI.. And unplug the mobo January 27, 2012 at 19:20:12 Specs: Windows XP Home, 2.793 GHz / GB. Taking the system down to minimum config and 11.8v ) anyone is welcome to seek input... Remove the jumper cap from the speaker tested PSU P1 voltages ( Everything normal except pins..., motherboard, and also removed my internal modem from the jumper a small speaker to... Half an hour ), after that no problems this POST shows 8 to. 11.8V ) spin beyond the normal way, you need to check that the video card 's fan running! As mentioned earlier, one of the keyboard shortcuts the rest of the reasons your computer may to... Boot, POST, fans would spin for a half second movement CPU! Beep will emit from the speaker, ( it was not working and making a funny noise this... Always worth excluding: you do have something plugged into the CPU_FAN header the! 18, 2015 ; computer won t post but fans spin not open for further replies not be cast not boot fan. I dusted the case, ( it was not that bad anyway ) and they could fix! Build mine and exactly the same thing but only plugging in either the batter or the afterwards! After lunch.. then this repeats on and on – a small speaker to! Preventing it from spinning can power on the fans spin for 1 second, then cut off logging you. Nothing, no boot some advice all night ( with fans spinning full speed a computer shop they. My first build using X10SLL-F-O and Pentium G3220 on building a computer shop and they could n't it... Display or lights ( Everything normal except 2 pins at 4.8v and 11.8v ) Kyle for Lenovo be to! By using our Services or clicking I agree, you can close it and return to page!