Any healpful ideas guys? Just stays on with the fan blowing so loud I think the thing is about to explode. I even purchased new RAM & a power supply. Which fan runs without a hitch during the first boot? I need to hold the power button in order to shutdown my computer. The computer doesn't actually turn on and the mobo flashes a red LED. Hey, I recently bought a new case for my computer and I switched all the parts over to the new one. BruceWayneTech August 4, 2010 at 06:54:20 Specs: Windows Vista. 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. Emachine Fans turn on, but computer wont. Previously I had Windows 8.1 and no issues at all. 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. 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. How long do you wait between that initial attempt and the next? From what I have gathered, it's either the mobo, CPU, PSU or video card. MSI M5 Mobo, I5-6600k CPU, MSI NVIDIA 960, Corsair 2 by 8 RAM, 600W PSU, and a Noctua NHD14 CPU cooler. Those Noctua fans sometimes come with little resisters that you put between the power connector and the fan. This has happened ocassionally throughout the years but after powering it on and off a few times it would finally start. another cause can be the screws that secure the mobo to the standoffs can be too tight. (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. This has worked hundred of times for me. What change do you remember making to your PC before this began happening? My computer was running fine until this afternoon when I tried to boot it back up from hibernation after lunch. 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. 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. Also, there was nothing significant to my knowledge that would have caused this (i.e. 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. 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. The new parts are the mobo, CPU, RAM, and CPU cooler. Turn on the power and verify that the fans are working and voltages are present. 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. The put back in the ram then try it and try it. 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. on Jan 15, 2016 at 16:33 UTC. 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. 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. doing the same thing but only plugging in either the batter or the charger afterwards. (as in which connection on the motherboard?) Tried turning the computer on again, by using screw driver to short the power switch pins. If your computer is, in fact, showing information on the monitor, but is still not booting fully, see How to … 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. When I press the power button, the CPU fans run at full speed,and that's it. Press J to jump to the feed. I've loosened the screws in the mobo. power supply. Take out the CPU, then try it. 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. Now when I try to start it the fans spin for about a second, the LEDs light up and then it turns off. Solved General Hardware. So I'm assuming you've plugged everything in correctly (MB power +4/8 CPU power + GPU additional power if req. Giant Bomb users. (Forget the HDD/SSD/Optical, those won't make it not boot). If nothing works, you probably do indeed have a bad motherboard. Initially, the fans spin about half of a rotation before they shut off. Let me know if that works. 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. 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. Button. send you an email once approved. Take it all apart, out of the case. I checked all the connections,removed and replaced memory sticks, and also removed my internal modem from the PCI slot. If you're using those on the motherboard header, I'd suggest taking them off. I've unplugged everything except the power from the mobo and tried. Any idea? Anyone is welcome to seek the input of our helpful community as they piece together their desktop. Check your UEFI/BIOS and see if there's a minimum RPM setting on those fans. If you have a multi-meter, test the voltage across the red and black terminal. Happy Holidays! What i mean is that when i press the power button the fans all turn on but the computer itself wont … Sure enough, unless there is something legitimately wrong. 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. I really appreciate both of your responses and if the problem persists I'll definitely attempt some of that troubleshooting. When I hit the power button the case fan blows SOOOO LOUD and the computer won't boot. New CEILING FAN CAPACITOR CBB61 4.5uf + 6uf + 5uf 5 WIRE 250V. Go. NOTHING. This is the place to ask! Got pics of the build so we can check everything's plugged in right? Tags: Computer. 2. Wait at least 30 seconds after you hit power to put the bios battery back in. it will get working again. I replaced the motherboard but the problem still presists. However, the fact that nothing happens is a clue in and of itself. Does that connection have any different settings in the BIOS? I took it to a computer repair shop & they said I needed a new motherboard. • After clearing the CMOS values and before turning on your computer, be sure to remove the jumper cap from the jumper. The desktop still does not boot. 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. List anything you've done in attempt to diagnose or fix the problem. If no change, try any variation you can think of. When I shutdown the computer, sometimes the fan keeps running till the battery drains out. LONYE 5 Wire Ceiling Fan Capacitor Replacement for NEW TECH CBB61 250VAC 50/60 Hz 4.5 + 6 + 6μF. List any error messages and symptoms. Laptop users will need to test on a different computer. Try 30 Days Of Giant Bomb Premium Absolutely Free! Notice the CPU fan spins for half a second and stops. If they're plugged into the motherboard header, do you notice the same with your CPU fan? View our Welcome Guide to learn how to use this site. It worked normally until one day it would not turn on. I have no clue what else it can be. The computer doesn't actually turn on and the mobo flashes a red LED. So far, I've unplugged all the fans and tried to turn it on and nothing happened. New comments cannot be posted and votes cannot be cast. Well, easier than RMA. If it spins, then the problem could be the motherboard or power supply unit. 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. 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 … 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. Lenovo. You may want to plug in the MB power out of the case to get a good click. Provide any additional details you wish below. Check to see if your motherboard has an onboard power button. 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. 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. GROUP SPONSORED BY LENOVO. Get answers from your peers along with millions of IT pros who … If no change, take out the video card, then try it. I have tried many things and need help Thank you Last edited by syberpro; 29 Dec 2015 at 20:38. (anything new installed? I put the fans in a few months ago, and this is the first time they've acted up. Does the same thing, CPU fan spins for half a second and stops. Have tried all fixes listed. Next Last. Not all of them do; consult your motherboard manual if you’re unsure or having trouble locating it. You can also use a known working fan and plug it on your motherboard. Just humor me.) (should hear beeps) If no change, Put back in the CPU+GPU+ram and try it. List anything you've done in attempt to diagnose or fix the problem. Once it gets up and running out of the case, you'll be good. My computer would not start today. ), but I didn't see any issues anywhere else. PC was working fine all these years, suddenly went to turn it on and loud fan noise, blank screen, pc won't boot. Feb 22, 2018 #1 Just built a new computer … This is different. 53,690 Followers - Follow. Advocacy Strategist. The last change I made to the computer were installing these fans. From your description of using random parts I would guess that one or … After pressing the power button, the fans seem to jerk on for a split second, but stop. If it spins, then the problem is with your fan. Hi everyone, I am running a dual boot system with Windows XP and Vista. Fan on motherboard spins for a few seconds then stops, no boot . It does not even show the first BIOS screen. If no change, take all sticks of ram out then try it (it should do a certain number of beeps). 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. 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?). Have you tried a different power supply? Then rebuild it outside the case (no optical or HDD/SSD) USe onboard video instead of GPU if applicable) Then try it. Press question mark to learn the rest of the keyboard shortcuts. ALL RIGHTS RESERVED. Planning on building a computer but need some advice? ), 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. And it won't turn on either way. I already had the PSU and GPU. - letting it charge all night (with fans spinning). 644 Mentions; 439 Products; Kyle for Lenovo. © 2021 GIANT BOMB, A RED VENTURES COMPANY. try to loosed the screws on the motherboard that mount it to the case, and move it a bit. 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". Power cord is fine, f10 will not start BIOS. 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! MOBO lights up, fans don’t spin, computer won’t turn on. @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. Anyone know a … I recently installed an SDD and since then im having the issue. My computer will not boot. good luck! Hi, I have installed windows 10 in my Inspiron 15 3542. I don't think I should do it with the system on.. Be descriptive. Describe your problem. There was no display on the monitor and no beeps from the board. /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. The desktop shows it is receiving power and the power LED lights up when it's pressed. Have you tried different fans? 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. Is about to explode not start BIOS 2021 Giant Bomb, a red.. 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