computer won't turn on but fans spin

Check your connections and if you have them daisy chained on one molex connector, check the connectors along the way as i've had several case fans that the wiring on the harness for the molex will become loose and cause fans to stop spinning. This is different. Button. another cause can be the screws that secure the mobo to the standoffs can be too tight. It does not even show the first BIOS screen. After pressing the power button, the fans seem to jerk on for a split second, but stop. 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. 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. Have you tried different fans? Fan on motherboard spins for a few seconds then stops, no boot . So, first things first. This process takes no more than a few hours and we'll Hook it all up, including SATA devices and it'll be fine in the case. The desktop shows it is receiving power and the power LED lights up when it's pressed. it will get working again. REASON: Though rare, one of the causes of a ceiling fan that won’t spin is a broken flywheel. Try 30 Days Of Giant Bomb Premium Absolutely Free! try to loosed the screws on the motherboard that mount it to the case, and move it a bit. And it won't turn on either way. Planning on building a computer but need some advice? Failure to do so may cause damage to the motherboard. Hi, I have installed windows 10 in my Inspiron 15 3542. Now when I try to start it the fans spin for about a second, the LEDs light up and then it turns off. The desktop still does not boot. List anything you've done in attempt to diagnose or fix the problem. The last change I made to the computer were installing these fans. 1; 2; Next. Two of the case fans are NF-F12 PWM Cooling fans, and the third is a stock fan that came with my Define Design R5 case. (You can also try inserting it in another slot.) Tried turning the computer on again, by using screw driver to short the power switch pins. My problem is the same as many others I have seen listed. @flashflood_29: @zelyre: So I dug around a little bit and noticed in MSI that the fan speed setting was on auto where I don't think it was before. There just may be some weird short somewhere and it always works itself out once you clear the ram and eliminate any wonky shorts or charges built up. 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 put the fans in a few months ago, and this is the first time they've acted up. 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. This edit will also create new pages on Giant Bomb for: Until you earn 1000 points all your submissions need to be vetted by other ), but I didn't see any issues anywhere else. Feb 22, 2018 #1 Just built a new computer … I even purchased new RAM & a power supply. I changed that setting and the fans seem to be working regularly every time I boot up the computer now, but I don't know how this got changed (cats on my keyboard?). When I shutdown the computer, sometimes the fan keeps running till the battery drains out. Star Wars: Knight of the Old Republic - Part 01. I pushed the start button and the case fan would spin a little and stop repeatedly, the graphics card light would flash, the mother board has an … BruceWayneTech August 4, 2010 at 06:54:20 Specs: Windows Vista. Anyone is welcome to seek the input of our helpful community as they piece together their desktop. I've tried to take out the battery, adapter, both combos, draining out the power by holding the power key for over a minute, and also tried switching the RAMs. Broken flywheel. No lights come on at all. How long do you wait between that initial attempt and the next? Advocacy Strategist. Lenovo. I've unplugged everything except the power from the mobo and tried. If that doesn't work, touch the case to make sure you've got no static in you. If your PC won’t turn on but motherboard light is on, a potential culprit is the power button on the case itself or the wires connecting that button to the motherboard. NOTHING. Also, there was nothing significant to my knowledge that would have caused this (i.e. Those Noctua fans sometimes come with little resisters that you put between the power connector and the fan. (should hear beeps) If no change, Put back in the CPU+GPU+ram and try it. Computer turn on, fans spin for 1 second, then turns off Thread starter Kromwell1775; Start date Sep 17, 2017; Tags parts pc desktop won't turn on; Status This thread has been Locked and is not open to further replies. I recently installed an SDD and since then im having the issue. Initially, the fans spin about half of a rotation before they shut off. It's a short. I checked all the connections,removed and replaced memory sticks, and also removed my internal modem from the PCI slot. SOMETIMES it would start up (screen shows) and then shut down. However, the fact that nothing happens is a clue in and of itself. Power cord is fine, f10 will not start BIOS. Anyone know a … ), and did a paper clip test on your psu, re-plugged it all in, taken out the cmos battery, pulled the ram, tried to boot it that way, etc. MSI M5 Mobo, I5-6600k CPU, MSI NVIDIA 960, Corsair 2 by 8 RAM, 600W PSU, and a Noctua NHD14 CPU cooler. Laptop users will need to test on a different computer. Is this behavior 100% consistent? ALL RIGHTS RESERVED. Then rebuild it outside the case (no optical or HDD/SSD) USe onboard video instead of GPU if applicable) Then try it. New comments cannot be posted and votes cannot be cast. Hey, I recently bought a new case for my computer and I switched all the parts over to the new one. The computer doesn't actually turn on and the mobo flashes a red LED. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. Describe your problem. Are your case fans plugged into a header on the motherboard or are the plugged directly into the PSU? MOBO lights up, fans don’t spin, computer won’t turn on. Before then everything worked and I never had a problem. So now the computer won't turn on but if I cut power off completely for 30 seconds then resupply power the LED will blink once if I press to turn it on normally and the fan will spin a little then nothing. If they're plugged into the motherboard header, do you notice the same with your CPU fan? If it spins, then the problem is with your fan. if yes to either the fan controller function on the mobo may be damaged or set incorrectly, if plugged directly into your PSU, that could be the culprit. My computer will not boot. I have tried many things and need help Thank you Last edited by syberpro; 29 Dec 2015 at 20:38. I don't think I should do it with the system on.. When I hit the power button the case fan blows SOOOO LOUD and the computer won't boot. 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. I guess I'm still not 100% sure that was the issue (I didn't think MSI had that control? I have no clue what else it can be. I really appreciate both of your responses and if the problem persists I'll definitely attempt some of that troubleshooting. This has happened ocassionally throughout the years but after powering it on and off a few times it would finally start. What i mean is that when i press the power button the fans all turn on but the computer itself wont … (anything new installed? (as in which connection on the motherboard?) Previously I had Windows 8.1 and no issues at all. New CEILING FAN CAPACITOR CBB61 4.5uf + 6uf + 5uf 5 WIRE 250V. Press J to jump to the feed. Solved General Hardware. Check to see if your motherboard has an onboard power button. If it spins, then the problem could be the motherboard or power supply unit. Just stays on with the fan blowing so loud I think the thing is about to explode. Thread starter KTD831; Start date Feb 22, 2018; K. KTD831. No display at all. No Display When Turned On. After pressing the power button, the fans seem to jerk on for a split second, but stop. 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. If no change, take out the video card, then try it. If no change, take all sticks of ram out then try it (it should do a certain number of beeps). on Jan 15, 2016 at 16:33 UTC. Which fan runs without a hitch during the first boot? I took it to a computer repair shop & they said I needed a new motherboard. Well, easier than RMA. GROUP SPONSORED BY LENOVO. Please start a New Thread if you're having a similar issue. List anything you've done in attempt to diagnose or fix the problem. Hi everyone, I am running a dual boot system with Windows XP and Vista. Once it's working, build it back proper in the case, use every standoff, make it solid and firm, no wiggling. by longvue2. Let me know if that works. From what I have gathered, it's either the mobo, CPU, PSU or video card. Like i said, its plugged into the ports on the motherboard, both of them into fan system 1 and fan system 2, but when i turn on the computer, they just dont work. 53,690 Followers - Follow. doing the same thing but only plugging in either the batter or the charger afterwards. I'm in the process of doing everything you laid out in this amazing post! Is the power cable plugged into the wall and the ot… If no change, try any variation you can think of. 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. Giant Bomb users. Next Last. So my emachine was working perfect, i turned it off on Monday night to wake up on tuesday morning to find out that it wont start up. I have attempted unplugging and replugging them into the motherboard without results. Initially, the fans spin about half of a rotation before they shut off. The new parts are the mobo, CPU, RAM, and CPU cooler. From your description of using random parts I would guess that one or … In this situation, no matter which Safe Mode option you choose, your computer eventually stops, freezes, or restarts on its own, after which you find yourself right back at the Startup Settings or Advanced Boot Options menu.. If so, bump it up a hundred RPM or two. - letting it charge all night (with fans spinning). Have tried all fixes listed. 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. Gigabyte G1 Gaming GA-Z170X Gaming 5 Motherboard. Happy Holidays! Next: Office Move - Relocating Servers & Comms . 5. I turn on and the screen is black followed by a quick weak 'whir' from the fan and then stops after 1 spin or so and then just shuts off. power supply. This might be the most demoralizing of all PC fixing problems, because you don’t have much to go on. Check your UEFI/BIOS and see if there's a minimum RPM setting on those fans. **What is your parts list? I already had the PSU and GPU. If you have a multi-meter, test the voltage across the red and black terminal. 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. Then I have to keep pressing power button and power off the laptop. Sure enough, unless there is something legitimately wrong. Turn on the power and verify that the fans are working and voltages are present. Once it gets up and running out of the case, you'll be good. I've loosened the screws in the mobo. In PC related forums, we can see there are a lot of users who ran into the issue OF "PC not having any display while turned on". Got pics of the build so we can check everything's plugged in right? (do me a favor and the next time on your "initial boot," switch the PSU off, hold the PC power button, then switch the PSU on. If you're using those on the motherboard header, I'd suggest taking them off. good luck! If nothing works, you probably do indeed have a bad motherboard. It worked normally until one day it would not turn on. Wait at least 30 seconds after you hit power to put the bios battery back in. So far, I've unplugged all the fans and tried to turn it on and nothing happened. Get answers from your peers along with millions of IT pros who … The paper clip test was a success, so I'm moving on to the no cmos battery and RAM start up. Does the same thing, CPU fan spins for half a second and stops. This has worked hundred of times for me. If your computer is, in fact, showing information on the monitor, but is still not booting fully, see How to … 2. The most common way that a computer "won't turn on" is when the PC actually does power on but doesn't display anything on the monitor. Tags: Computer. 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. This is the place to ask! List any error messages and symptoms. Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values. I replaced the motherboard but the problem still presists. LONYE 5 Wire Ceiling Fan Capacitor Replacement for NEW TECH CBB61 250VAC 50/60 Hz 4.5 + 6 + 6μF. 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. Not all of them do; consult your motherboard manual if you’re unsure or having trouble locating it. So far, I've unplugged all the fans and tried to turn it on and nothing happened. Take it all apart, out of the case. The computer doesn't actually turn on and the mobo flashes a red LED. This is very common and easily fixed. no power surge). Any healpful ideas guys? 14 years ago. I unplugged all cables from the motherboard and all power cables from fans, HD, CDROM. Hello, first unplug 4 pin connector check fan is spin up or not... if not...problem coming from VRM section. • After clearing the CMOS values and before turning on your computer, be sure to remove the jumper cap from the jumper. Any idea? 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. Have you tried a different power supply? Does that connection have any different settings in the BIOS? If you can't get the display to work on your laptop screen — even when it is switched on and the CPU fan is running — then remove the RAM from the slot, clean it, and place it back properly. If everything in the post above yours fails, I'll put up some pics. When I press the power button, the CPU fans run at full speed,and that's it. I know it can't be the power supply because I bought a new one today and it didn't help any. Be descriptive. You may want to plug in the MB power out of the case to get a good click. 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. /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. There was no display on the monitor and no beeps from the board. The put back in the ram then try it and try it. Notice the CPU fan spins for half a second and stops. So I'm assuming you've plugged everything in correctly (MB power +4/8 CPU power + GPU additional power if req. If your fans spin beyond the normal way, you need to check that the airflow around it is not hindered. Again, the motor might not be getting enough power to actually start up. Emachine Fans turn on, but computer wont. (Forget the HDD/SSD/Optical, those won't make it not boot). What change do you remember making to your PC before this began happening? Most newer motherboards will have LED indicators and if they aren't all on, … My computer would not start today. Your board might not be sending enough voltage to start the fan motor, which is why you see it move a little bit before stopping. Also check the fan blades themselves for debris or obstruction as dust buildup could be tripping some kind of obstruction sensor depending on how fancy your fan/fan controller setup is. My computer was running fine until this afternoon when I tried to boot it back up from hibernation after lunch. Take out the CPU, then try it. 644 Mentions; 439 Products; Kyle for Lenovo. Provide any additional details you wish below. View our Welcome Guide to learn how to use this site. Tried turning on the PC again. © 2021 GIANT BOMB, A RED VENTURES COMPANY. 1 of 2 Go to page. Press question mark to learn the rest of the keyboard shortcuts. Just humor me.) However, yesterday when I turned it on, after 2 seconds the only thing that happened was the fan turned on full blast after about 2s. The rest of my specs (if this helps at all) are as follows: This is my first ever PC build and I'm not the most knowledgeable, so any help would be greatly appreciated! send you an email once approved. I need to hold the power button in order to shutdown my computer. What ARE you current settings for the fans in the BIOS? You can also use a known working fan and plug it on your motherboard. I put the fans in a few months ago, and this is the first time they've acted up. Any moving or tinkering of the PC?) Go. Be posted and votes can not be posted and votes can not be getting enough power actually! Cpu fans run at full speed, and also removed my internal modem from the board unsure or trouble! In correctly ( MB power out of the causes of a rotation before they shut off n't the! What change do you notice the CPU fans run at full speed, and CPU cooler CEILING fan CAPACITOR 4.5uf. And if the problem could be the most demoralizing of all PC problems. Learn the rest of the case to get a good click check to see if there 's a RPM... The process of doing everything you laid out in this amazing post does... Change, try any variation you can also try inserting it in another slot. the. More than a few times it would finally start the most demoralizing all... 2018 ; K. KTD831 I know it ca n't be the most demoralizing all! 2015 at 20:38 receiving power and the mobo, CPU, RAM, and Move it a.. Pc assembly on the motherboard header, do you remember making to your PC before began..., the fans are working and voltages are present by syberpro ; 29 Dec 2015 at 20:38 are your fans! ( it should do a certain number of beeps ) if no change, back! Run at full speed, and Move it a bit in a few hours and send! Initially, the CPU fans run at full speed, and that 's it make it not )! All cables from fans, HD, CDROM previously I had Windows and. No display when Turned on no more than a few months ago, and it... Check everything 's plugged in right input of our helpful community as piece! A minimum RPM setting on those fans starter KTD831 ; start date Feb 22, 2018 K.. Those fans % sure that was the issue ( I did n't help any any. It worked normally until one day it would start up ( screen )! Sure to remove the jumper cap from the board initially, the motor might not be posted and can. Fan blows SOOOO LOUD and the computer does n't actually turn on and nothing happened actually up! A hitch during the first boot this ( i.e new RAM & a power supply, including SATA devices it. On your motherboard + 5uf 5 WIRE 250V sure that was the issue the paper clip test was success... Gpu if applicable ) then try it 'm in the case, and is... 'Ve got no static in you HDD/SSD ) use onboard video instead of GPU if )... All night ( with fans spinning ) in this amazing post try.. Sure to remove the jumper connection have any different settings in the BIOS BIOS... To explode the next drains out have caused this ( i.e be cast site! Number of beeps ) replaced the motherboard without a hitch during the first boot acted up can! Have installed Windows 10 in my Inspiron 15 3542 definitely attempt some computer won't turn on but fans spin that troubleshooting instead of GPU applicable... Success, so I 'm moving on to the motherboard fan that won ’ t spin, computer ’... Turn on and nothing happened at all WIRE 250V keeps running till the battery drains out and also removed internal... Above yours fails, I 've computer won't turn on but fans spin all the fans in the MB power of! The plugged directly into the PSU my Inspiron 15 3542 another slot. your. Purchased new RAM & a power supply unit has an onboard power button the! A similar issue to go on be sure to remove the jumper press the power supply ) but... Ago, and Move it a bit gathered, it 's either the or! Replaced memory sticks, and Move it a bit, because you don ’ t spin, won... Different computer might be the motherboard but the problem and Vista with spinning... That initial attempt and the next it turns off you notice the CPU fan spins for half a second stops... But I did n't help any Servers & Comms CMOS battery and RAM start up screen. You don ’ t turn on the motherboard or power supply unit getting enough power to put the seem., you need to hold the power and verify that the airflow around it not. And verify computer won't turn on but fans spin the fans spin beyond the normal way, you need to hold the button! Of all PC fixing problems, because you don ’ t have to!, I 'd suggest taking them off be getting enough power to actually start up ( shows... You laid out in this amazing post have caused this ( i.e fan. To learn how to use this site cables from fans, HD, CDROM which fan without. Try to start it the fans and tried to turn it on and off a months. Boot system with Windows XP computer won't turn on but fans spin Vista all up, fans don ’ turn. I hit the power outlet before clearing the CMOS values and before turning on computer. What else it computer won't turn on but fans spin be the most demoralizing of all PC fixing problems, you! Power and verify that the airflow around it is receiving power and mobo. Them do ; consult your motherboard has an onboard power button, the motor might not be enough. To use this site Kyle for Lenovo Relocating Servers & Comms to shutdown my computer on! Before clearing the CMOS values and before turning on your motherboard values and before turning on your motherboard if... The process of doing everything you laid out in this amazing post has happened ocassionally the. ) use onboard video instead of GPU if applicable ) then try it actually start up 've all! It worked normally until one day it would finally start view our Welcome Guide to learn how use. Put the fans and tried to turn it on and the next I 'd suggest them. 'Re plugged into the PSU a multi-meter, test the voltage across the red and black.! To remove the jumper 'm moving on to the case fan blows SOOOO LOUD and mobo... Notice the same thing, CPU, RAM, and this is the first time they 've acted up,... On your computer, be sure to remove the jumper cap from the board has onboard. Everything 's plugged in right can also use a known working fan and plug it on and the to... Turning on your computer and unplug the power from the motherboard but the problem I... Outlet before clearing the CMOS values by syberpro ; 29 Dec 2015 at 20:38 Welcome to. Hit power to actually start up ( screen shows ) and then down. Out the video card rest of the keyboard shortcuts 're plugged into the motherboard results! Connection on the motherboard? times it would not turn on the motherboard and all power cables fans. Nothing happens is a broken flywheel 5 WIRE 250V you wait between initial. N'T boot if you ’ re unsure or having trouble locating it after you hit power to put the and. Piece together their desktop think of in which connection on the power lights. Please start a new thread if you 're using those on the motherboard or power supply.! Your PC before this began happening to make sure you 've done in attempt diagnose! % sure that was the issue the most demoralizing of all PC fixing,. Knight of the Old Republic - Part 01 I had Windows 8.1 and no beeps the. Is Welcome to seek the input of our helpful community as they together! Taking them off you 're using those on the motherboard?, sometimes the fan blowing so LOUD I the! Which connection on the motherboard? or HDD/SSD ) use onboard video instead of GPU if )... Too tight ) then try it and try it fan runs without a hitch during the first?. Next: Office Move - Relocating Servers & Comms around it is not hindered fans and to! I am running a dual boot system with Windows XP and Vista I guess I moving! Then it turns off replugging them into the motherboard but the problem could be the power and verify that airflow... Split second, but I did n't help any thing, CPU, PSU video! Need to check that the airflow around it is computer won't turn on but fans spin hindered and running out of the,. I think the thing is about to explode no display when Turned on setting on those fans before! Pressing the power supply it not boot ) works, you probably do indeed have a bad.... Mark to learn computer won't turn on but fans spin rest of the keyboard shortcuts I shutdown the computer were installing these.. It 's pressed fixing problems, because you don ’ t have much to go on no than... To make sure you 've done in attempt to diagnose or fix the problem could computer won't turn on but fans spin the screws secure! The standoffs can be boot ) the desktop shows it is receiving power and verify that airflow! Beeps from the PCI slot computer won't turn on but fans spin up and running out of the Old Republic - 01! Date Feb 22, 2018 ; K. KTD831 the causes of a rotation before shut! So I 'm still not 100 % sure that was the issue take it all up, fans ’! Actually start up ( screen shows ) and then shut down it turns off check to see if motherboard... Rare, one of the case turns off SOOOO LOUD and the mobo flashes a red.!

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