Incorrect Positioning: You should place your laptop on a firm level. Question CPU fan spinning too fast? I recently built a new computer using the Corsair Crystal 280x rgb with the included case fans. So one thing you could try is setting the motherboard on a piece of cardboard and trying to boot it up outside the case. Page 1 of 2 - CPU fan starts turning for half second then stops at start up - posted in System Building and Upgrading: new motherboard CPU fan starts turning for half second then stops. Help please? When done, replace the processor and apply a very small amount of thermal paste, then replace the heatsink and fan. Is the MOBO properly raised? Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. . No monitors or keyboards onto it. on Usually by a program that’s taxing on your onboard RAM. You can use the PSU, case/chassis or GPU fan header. A noisy fan means your laptop is being pushed to its limits. Only had PSU, CPU and 1 stick of RAM in. I turned off my laptop and left it over night but the next morning when i turned on my laptop the fan starts spinning right away and it still makes the loud noise. The CD/DVD player tray will work and it accpts a CD and spins. ? 0. But after restart it again spins for 5 secs and stops again. I looked around in the bios and the fan will only spin if set to 100%. Bad hardware in there some where. If it's out of warranty tell him it has become one with the cosmos and needs to be replaced. This goes on and on automatically for at least 8-10 times. However, if I trick the PSU to start using a paperclip, the fan connected to the PSU runs nicely. USB devices plugged in? Unplug the cord from the power supply, hold the power button in for about 15/20 seconds, open the case, unplug the 24-pin power connector from the motherboard and jump the Green wire to one of the Black wires, reconnect the power cord and power the system on, if power supply's fan and the hard drive run, then the PSU should be good. This time I've also connected a different fan to the PSU and it had the same behavior. Do not use it on your lap. Disconnect everything but the essentials, which are the PSU, CPU, and 1 stick of RAM. also tried putting a fan on the … Press J to jump to the feed. Usually it will take a while for it to start doing this when I start my computer up. One reason why your fan may be louder than most could be that the position you use your laptop in is blocking its vent. Laptop users will need to test on a different computer. Model: 13-s020nr So to really know why your fan is on, you need to click the CPU column and see what program is using the most CPU. There is no reason why the fan stops suddenly after a bootup. Does it beep like crazy if you try to power on with no memory installed? I just checked the CPU and fan, the thermal paste is still there. Last time I had this happen I had accidentally allowed the MOBO to make contact with the case causing the MOBO to short out. Abel Benoie this “booting in the fan spins for a few seconds and then it stops “ is normal behaviour from the fan. If you do not get POST, then unplug everything else and use a different memory stick. So they have to make up for it by blowing harder. Laptop's Fan Starts For 5 Secs At Boot Then Stops. It did the exact thing. A couple days ago, I noticed it the laptop getting hot. ), Hi I have asus X541N and my problem is if I turn on my laptop, Its just stock on my profile and wont start. Abel Benoie this “booting in the fan spins for a few seconds and then it stops “ is normal behaviour from the fan. I have never opened it up before, so it is just as it was from the store over 1 year ago. Rechecked the cables and plugs a million times, cleaned off the CPU and fan. Yeah I will have to try. If so, it is likely the Optical disc .... no, maybe the keyboard ..... or perhaps the memory. The laptop doesn’t seem to be heating up. Possible Cases Of Laptop Fan Not Working Or Spinning 1. I never even get to the Dell screen. It's crazy, but I've seen times where a pin on the board was bent in the socket right out of the box (Check with magnifying glass). I might need to use new paste? Hoping someone can help me. If your CPU fan is not spinning, then it is a matter of serious concern because if your CPU heatsink fan suddenly stops spinning, then it will lead to overheating of the CPU. I have had a couple of these, one was a bad PSU and the other was a bad CPU. on Jan 15, 2016 at 16:33 UTC. If you don't, then you need to swap out parts with known-good parts, one at a time, until it POSTs. Lenovo Ideapad Dead - Sudden shutdown, can't charge or turn on. For a desktop, you need to open the computer case and remove the motherboard so as to find the CPU on it. I went over to check it out, and I hear this coming from the fan as I was using the laptop: - Fan revs up for 2 second - Fan stops - wait 10 seconds - Fan revs up for 2 second - Fan stops - wait 10 seconds - over and over and over. If it spins, then the problem could be the motherboard or power supply unit. We replaced the mobo with an exact new one. Discussion Laptop won't boot. It's basically a new machine with a new mobo and new psu. It's just as I said in the title. What could be the problem, My Asus Eee PC (1015bx) won't turn on (MOBO PROBLEMS??? Unlike desktop fans, which have more room to breathe, laptop fans are smaller. Tried turning the computer on again, by using screw driver to short the power switch pins. It does it because your computer does not boot or post. - Dell Inspiron 1545 Suggesting a new CPU+fan to my boss will anger him LOL. Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. The fan than turns on again and stops. That or maybe the fan just needs some attention. Tried plugging in into an external monitor by changing the window settings fn + … It's probably some background service like file indexing, Cortana, or one of the numerous other things Windows 10 runs in … 5 Seconds later the computer reboots by itself and the same thing happens.. Steps: 1- Turn the PC ON 2- Lights are on, Fan Spins for 2 seconds and then stops 3- 5 Seconds later PC shuts down by itself, and goes back to Step-1 I hooked up a loopback and it just spins briefly and then stops should the fan just keep spinning with the loopback? Fan spins then stops each time. CPU fan spins at bootup for 2 seconds, then switches off. A flat surface is highly recommended. This goes on and on automatically for at least 8-10 times. Black Screen, fan runs for 3 seconds and then turns off. So they have to make up for it by blowing harder. When the laptop stats booting the fan spins for 5 secs and then stops spinning and doesn't start spinning again. If it spins, then the problem could be the motherboard or power supply unit. What about RAM? Second:  remove ram, try again by adding 1 stick at a time, Third: Unhook everything but the cpu fan and main power, does it still only do a minimal boot. The CD/DVD player tray will work and it accpts a CD and spins. All the case fans still spin and the computer continues to run for a few min then over heats and quits. Also, try reseating RAM, boot with 1 stick, and try a stick from a working machine if that doesn't work. For some reason both fans start up fine when I first turn the computer on but the top fan stops as soon as Windows 10 starts. Dunno is raised. Notice the CPU fan spins for half a second and stops. Already tried removing RAM and putting in other slot but still no boot. Installed it just fine, LED green light comes on the mobo but the fan starts up for a few seconds then stops and the computer doesn't boot. You can also use a known working fan and plug it on your motherboard. We put in a new PSU in it but still no booting. It will cause these symptoms. My laptop fan will spin for a few seconds then stop constantly. Solved the issue ... Let only connect the power supply and try to turn on the PC if the problem solved then the peripheral device was causing the issue. One observation is that if I unplug the 4 pin ATX power cable, the CPU fan does start spinning - this works with or without the graphics card in it. Power indicator blinks blue light. I am in the process of building a computer and ran into a snag. A flat surface is highly recommended. Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. Now to qualify, I wasnt doing anything CPU intensive. Did this already too. But after restart it again spins for 5 secs and stops again. All of a sudden though my laptop fan started going crazy, it is loud and seems like it is spinning really fast. Which of the following retains the information it's storing when the system power is turned off? In general, it is much easier to open a desktop’s computer case to replace a new CPU fan when it stops function. Press question mark to learn the rest of the keyboard shortcuts Fan spins then stops each time. Solved the issue ... Let only connect the power supply and try to turn on the PC if the problem solved then the peripheral device was causing the issue. Swap out the PSU and if that does not work you have a bunch of spare parts! Possible Cases Of Laptop Fan Not Working Or Spinning 1. GORT has the right idea. or what is causing the problem. When I power on, the CPU fan spins for about 1 second and then stops, the motherboard power light remains on at all times. Does it POST at all with everything disconnected? Green light in Mobo lights up, upon pressing the power button the fan starts up for a few seconds and then turns off, no boot. Still does the same thing. Was very careful with the installation. Hi all, I have a Sparq M53S gaming laptop (made in Korea). I looked around in the bios and the fan will only spin if set to 100%. This could be related to pretty much anything from bad RAM, bad HDD to a bad processor. Via Speccy, the CPU (all cores) is spiking from 28C (low fan) to 36-39C (rev'ed up fan) when I do simple web browsing. No boot/display: Question CPU Fan wont spin (new to pc builds any help is appreciated) Question My 3400G, Wraith spire cooler spins at MAX rpm and wont ever stop? Discussion Laptop won't boot. may be? There’s a temperature sensor that’s integrated within the motherboard which constantly monitors the CPU temperature (as well as other parts) and will automatically turn on the fan(s) as need demands. ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. If you do not get POST, then unplug everything else and use a different memory stick.Does it POST? Question CPU fan spinning too fast? MSI CPU Fan spins then stops and spins again. The touching surface between the CPU and the fan becomes not tie to make temp on CPU too high, to make heating sensor output high voltage to rotate fan high speed. Disconnect the optical drive, remove all but one stick of memory, remove the mouse. After this, it is still reachable by the seagate utility, which says the hard drive is experiencing too many read errors, but the platters are definately not spinning. Mobo didn't come with any risers. This topic has been locked by an administrator and is no longer open for commenting. To continue this discussion, please You can use the PSU, case/chassis or GPU fan header. My laptop fell accidentally to the ground one time, Now the laptop turns on for 5 sec then shut offs. Tried plugging in into an external monitor by changing the window settings fn + … 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. The old mobo with a new PSU didn't turn on at all. I have an HP Laptop with specs: HP G7_1070us 8GB RAM Upgraded to Windows 10 I … I'm stumped. With this new Mobo it at least has a green LED light on it and turns on for a short second before the fan turning off. I have an HP Laptop with specs: HP G7_1070us 8GB RAM Upgraded to Windows 10 I … Was convinced it was the mobo so we bought a new one. I went over to check it out, and I hear this coming from the fan as I was using the laptop: - Fan revs up for 2 second - Fan stops - wait 10 seconds - Fan revs up for 2 second - Fan stops - wait 10 seconds - over and over and over. If so, it is likely the Optical disc .... no, maybe the keyboard ..... or perhaps the memory. Solved General ... Once the CPU is in place, the bracket above it won't allow it to move, so installing the fan wouldn't have had an effect. Fan on motherboard spins for a few seconds then stops, no boot. My laptop gets pretty hot when it starts to do this and I've tried to avoid it by keeping the fan and bottom well ventilated, but no such luck. ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. Does the same thing, CPU fan spins for half a second and stops. I tried taking the battery out and pressing the power button for 60 seconds and plugging it back and turning it on several times, no luck. If it is a new machine, warranty the thing! 1 post; 1 post; Posted October 21. I am in the process of building a computer and ran into a snag. When I go to hit power, the fans spin a second and then stop. Can you pull a cpu from a different machine just to test it? I just upgraded from the AMD stock cooler to a hyper 212 evo and when I booted up my computer the exhaust fan span then turned off. Laptop users will need to test on a different computer. Laptop not loading, fan spins, hard drive spins,stops and repeats without sending signal to the screen: Laptop black screen fan spin at full speed non-stop: Hi when I turn on my laptop the power light comes one but thats it it doesn't post the fan spins then stops but the CPU gets h: Laptop Problem. How to Fix the Error Power Surge on USB Port, Fan on motherboard spins for a few seconds then stops, no boot, View this "Best Answer" in the replies below ». Have a seagate laptop hard drive, it spins up momentarily, makes some quiet electronic 'zipping' sounds then stops. 2. It does it because your computer does not boot or post. When I start the computer, the fan spins for 2 seconds and them stops. It appears to not receiving any voltage. Unlike desktop fans, which have more room to breathe, laptop fans are smaller. If you need to open a laptop to clean or replace CPU fan, you should be more careful to avoid hurting the laptop. The fan than turns on again and stops. The fan spins, then it stops, then it spins and stops and so on continuously. Thanks. longvue2 I recently built a new computer using the Corsair Crystal 280x rgb with the included case fans. When the laptop stats booting the fan spins for 5 secs and then stops spinning and doesn't start spinning again. If you get it to POST, then you can start plugging things in. There’s a temperature sensor that’s integrated within the motherboard which constantly monitors the CPU temperature (as well as other parts) and will automatically turn on the fan(s) as need demands. Power indicator blinks blue light. We're using 1 4gig stick of RAM per computer. Didn't do anything to it if that's what you mean. My acer aspire laptop turns on the fan starts for a few seconds then stops and i get nothing please help - Answered by a verified Tech Support Specialist We use cookies to give you the best possible experience on our website. 2. Laptop turns on when plugged in, 0% battery, Laptop keeps turning off (fan and temperature fine). by Usually it will take a while for it to start doing this when I start my computer up. They have to make contact with the case bootup for 2 seconds, SHUTS! Anger him LOL computer continues to run for a refund 's out of tower and placed it on motherboard. 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