fans spin for a second then nothing

When you first hit power from a cold start, the CPU fan spins for about 1 second, then completely stops as the computer is booting. ... Yeah im fine on airflow because when my pc was working all my Temps were solid nothing too crazy but it blew up because my dog hit the power cord and caused the whole thing to shut down randomly in the middle of a game so it fried my PSU. This can be caused by a corrupt CPU, Mainboard or the power supply itself. 2. I tried taking out the video card, and still got just a ~1 second CPU fan spin and then nothing. Wow, that's quiet, uh huh. I think you have a bad motherboard. When I connect them back to the motherboard, and power on the laptops, the fans starts spinning for about few seconds, and then stops. I have a custom pc wich has developed a fault. They do the same … And again and again. So I built a PC about 5 months ago and everything has been going fine until a couple days ago when I heard a pop and my PC shut off. Notice the CPU fan spins for half a second and stops. I removed the motherboard from the casing and put it on top of the table with cardboard underneath. I am setting up a new machine tonight with the same processor and had the same exact problem. Have to turn the psu off then on to be able to try again. Previous Next the unknown Senior member. I tested the PSU with a purchased PSU tester. Is it set to the correct line voltage?In the US, it should be set to 115/120.You can power up without the RAM installed and see if you get the no RAM POST beeps from the system.Without parts to swap, there is little else I can suggest you check.Chas. No such thing on all my previous single processor machines. I went around all the wires and made sure everything is seated correctly and nothing was loose. If you only have one cpu and it doesn't boot either motherboard fully, you haven't eliminated the cpu. Jim. So it does look like power is getting to the motherboard, I guess. PS I have given up on the P5B for now as it doesn't have on board graphics - I want to try and get it working on the P5LD2 first which does. Page 2 of 2 < Prev 1 2. Waited , then back to pins 1/2 and replaced the battery. I press button button, and i get nothing, no display or lights. The previous post garnered expert advice, so I am hoping someone will have some idea on what I can do. I tested it outside the case, I tried a switch from an older computer, I took everything out that wasn't needed, I switched my custom CPU fan with the stock Intel. This is rare, but if moving the cpu causes the problem to move, it points to the cpu as the cause. So you have a cpu that used to work fine, but now is intermittently working on the same motherboard where it used to work (you reset the CMOS after reinstalling it, right?). When I power on, the fans spin for 1-2 seconds, then stop. I will try this again, as I had all internal devices hooked up on the reboot attempt. It would continue interminably unless I unplug the computer. The EZCool is a fairly low-end unit, and may simply not be providing enough power on the 12v rail for consistent operation. I unplugged all cables from the motherboard and all power cables from fans, HD, CDROM. My Asus x550 will not boot. Fans only spin at startup for like 2 seconds and then stop spinning. Please note: Do not post advertisements, offensive material, profanity, or personal attacks. Gain unlimited access to on-demand training courses with an Experts Exchange subscription. I feel like such a dunce! this process then repeats and repeats. They do the same thing though...I hit the power button and the CPU fan spins for 1 second, then nothing. It's good to narrow it down.That was a great idea to check the voltage switch, but it was set at 115. I plugged it in and all is well. Right, I have put the CPU back into the older PC that it came from and it boots fine, does this eliminate the CPU? I press button button, and i get nothing, no display or lights. Then 3 seconds later they start again and then stop (the PSU light blinks off for a split second each time the fans restart). Dec 22, 2007 374 4 81. What the hell is going on? It is like having another employee that is extremely experienced. MacBook Pro 15" Unibody Late 2011 Heat Sink Replacement MacBook Pro 15" Unibody (Early 2011-Mid 2012) Heat Sink - MacBook Pro 15" Unibody Late 2011 ... stop for a 1 second, and then spin again for 5 seconds. RAM: 16GBs (4x4GBs ADATA DDR3 1600 PC3-12800) PSU: Corsair HX 750. I did some troubleshooting and these are as follows: 1. While the FANs do spin for a second, it's most likely a short circuit. Apr 3, 2005 #1 I currently have 2 computers from 2 different friends with the same problem. 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. hard drive doesn't spin, no vga display etc.) 5. 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 . Thanks for the comprehensive reply thoffman. I may not be understanding what you did - did you have a cpu from another system, and did you try that cpu in the Asus P5B motherboard (after resetting the BIOS)? The power supply is sensing a … So, first things first. Was convinced it was the mobo so we bought a new one. Screen does not power up but fan and hard drive spinning. I tried re-seating the CPU, but got the same result. Good luck. And again and again. My PC wont start the fans spin for a second and then stop. Power button and reset button on mobo stay lit, but nothing else. OP. Change the CMOS battery and see if it works. Being involved with EE helped me to grow personally and professionally. All that appears to happen is that upon pressing the 'on' button the cpu, psu, vga and case fans all spin for a second then stop. It did for me. I also tried another PSU. Look on the logic board around the heat sink and see if you see any oily type looking residue. Thanks. I then did remove the battery and the move the jumper to pins (2/3). . Now, my system does this when I try and turn it on. We use cookies to give you the best possible experience on our website. Yes, it was working prior to me building the new PC - today I have put the CPU back in the old PC and verified that it boots correctly. . By the way, the fan was brand new and did spin up so must have got the required voltage to do so. this process then repeats and repeats. Hardware and Technology. Close. I unplugged all cables from the motherboard and all power cables from fans… It will spin for 5 seconds, stop for a 1 second, and then spin again for 5 seconds. So much for the old days of loud Delta and Scythe fans, cases with closed of side panels and a 230mm fan of the side door. I thought I have ruled out everything, so I am a little lost. I did watch it through the grille and it most definitely did stop. My search for an answer led me here, but this was a dead end. 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. Experts with Gold status have received one of our highest-level Expert Awards, which recognize experts for their valuable contributions. I bet, the power supply will make gentle tick sounds. Led green light is on but no post or beep sound. Power button and reset button on mobo stay lit, but nothing else. We're trying to determine if the new P4 3.4 cpu is at fault. Opened the side case, is a light on the motherboard, so it is getting power. When I go to hit power, the fans spin a second and then stop. Now every time the GPU temp hits 81-82 degrees the GPU fans spin up to 100% for a few seconds then back down to normal for a few seconds then back up. turn on for approximately 1 second, then everything immediately shuts off. When i try and turn it on the fans spin up and it kicks into life for about a second then just cuts out. The fans spin for half a second and then that is it. Hardware and Technology. This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. My PC wont start the fans spin for a second and then stop. Motherboards . fans spin for 1 second then nothing...? mrnamsmrnams Jun 30, 2018 at 08:38 UTC. Posted by 5 years ago. The fan spins for a second or two when first switched on but then switches off. I tried moving the RAM stick to the other slot, and got the same result. with this setup I still have the same problem the fans spin for a split second then stop EDIT: sorry for reviving a dead thread, but it was wat pulled up in a google search :< K Here is what is happening.When you press the power switch, the motherboard sends a signal to the power supply to turn on.As the voltages come up, additional circuitry on the motherboard and in the power supply check to see if the voltages are within specified limits.If all is good, the power good line changes state and the power supply keeps running.You have the power starting up, but no power good signal.The best thing to do, is use a power supply tester to verify that the power supply is good. If that doesn’t work then try starting with a minimum configuration, power supply connected to mother board, one stick of memory unless the memory is … If I then hold the power button for 5-7 seconds, the led turns off. The fans spin for half a second, then it immediately shuts off. . OK, I only have one CPU (the Pentium 4 3.5 GHz (model 550)). Nothing else happens (i.e. Yesterday i tried to start it but nothing.I took a close look inside the case and i saw that when i pressed the start button the cpu fan started to spin,same a 12cm fan from the back of the case,same for the psu's fan but the gpu's fan was spinning for like 1-2 seconds then stopped. Thanks for the idea, I took the motherboard out of the case and it still would not start. (Unlock this solution with a 7-day Free Trial). The fans spin for half a second, then it immediately shuts off. Have to turn the psu off then on to be able to try again. Just remove RAM and fit it back properly it will start normally. You need to be meticulous about reinstalling, to make sure the cpu is flush against the socket and all connections are snug. > a colleague has confessed that he fried the P5LD2 last week, https://www.experts-exchange.com/questions/22061341/CPU-fan-spins-for-one-second-and-then-stops.html, https://www.experts-exchange.com/Hardware/Desktops/Q_22060296.html#17942625. HD lights for a second, fan starts and nothing. Opened the side case, is a light on the motherboard, so it is getting power. Move the other cpu to this motherboard and see if that works. Then sometimes you'd get a beep, and if you were really bad a bit of magic smoke. However, the fact that nothing happens is a clue in and of itself. Power button -> cpu/psu/case fans spin for a second then turn off. Thread starter obetskie1960; Start date Sep 28 ... prior to the above steps, right after replacing PSU I just clean the RAM and turn it on but the fan will just spin for half a second and turn off. This is a custom PC I built almost a year ago. The only thing you can do in my oppinion is, to take the 3 … Quiet with lots of RGB lights. P.S. The CPU fan spun like before but no beeps or anything. 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. Turn on the power and verify that the fans are working and voltages are present. This conversation is currently closed to new comments. An r9 380 from sapphire The fans started spinning and then stopped for a sec. Oddba11. All submitted content is subject to our Terms Of Use. My PC wont start the fans spin for a second and then stop. They spin only when the first press of the power button is released, and for … 1 is an Athlon XP system the other is a P4 system. 11 years ago I've searched through the threads but i am still unsure of what my computers problem is. The second best is to try a different power supply.I assume that the clear CMOS jumper is in the "Normal" position.Check the AC mains switch on the power supply near where the line cord plugs in. It then stopped completely. The previous post was right, if you dont plug in the 4 pin cable from the power supply it does start the fan and stop.These 4 pin come with some Antec power supplies. However, If the card is new and under warranty, then you may get the whole card replaced through return merchandise authorization (RMA). OP. READ MORE. When you first hit power from a cold start, the CPU fan spins for about 1 second, then completely stops as the computer is booting. Archived. If only one of your graphics cards fans is spinning and the second GPU fan is not spinning then most likely it is damaged or faulty, and you have to replace it. … All the fans spin for half a second and it quickly shuts itself down. Or were some standoffs shorting the power supply?? So, back to your specific question--in my experience (starting in the early 90s), if a computer had some life left you would get at least get the case fans to spin up real quick and then they'd stop. Forums. Then a few seconds later the fans spin again for another second and then stop. echineon said: ↑ @OP Why do you have to go that far to test since in your first post you thought that it should be the mobo? I have returned the CPU and the Motherboard, both are new. OK, so now I have moved the memory and the CPU to another motherboard (Asus P5LD2-VM DH) - this has onboard graphics. New build, fans spin for a sec, shuts off! System boots, fans spin, system restarts, fans spin, system restarts, fans spin, etc. New GPU fans spin very fast for a second then go back to normal; User Info: kamikaze135. Fans mounted to heatsinks often have a speed control circuit that can fail and the CPU will not boot and force a shut down. Just noticed that my power supply fan starts and stops repeatably? Or even their new 700w unit ) your best career decision still unsure of what my computers is. Moving the RAM stick to the TechRepublic Forums FAQ stay lit, but this was a idea... One i know is a light on the 12v rail for consistent operation of Use no. Be loose CMOS - your CPU may not be providing enough power,! Thoroughly vetted for their expertise and industry experience i knew something gave out but did n't what... 2016 # 1 i currently have 2 computers from 2 different friends with the same thing ~ %. Turn the PSU with a 7-day Free Trial ) CPU ( the Pentium 4 3.5 GHz ( model 550 ). Ram: 16GBs ( 4x4GBs ADATA DDR3 1600 PC3-12800 ) PSU: Corsair HX 750,. Or PSU most demoralizing of all PC fixing problems, because you don ’ t spin a... When you press the power supply, you have n't eliminated the CPU again... A shorted output or has not come to full voltage i did some troubleshooting and these are follows. Then stops ) am setting up a new one 3, 2005 Sidebar. It did the same … the fans on many of these Aftermarket double or fan... A little strange but it has been your best career decision help, got. 1 second, and if you 're new to the other is a fairly low-end,... Off then on to be meticulous about reinstalling, to make sure they are seated properly not start but! Fan again spin for a second or two when first switched on but then switches.. With two important charities to provide clean water and computer science education to those who need it most definitely stop... Mobo? new screws and standoffs in my PCEven when during intensive gaming when temp exceeds 85°C the fan for... Everything booted up but no visual display or lights answer led me here, but this was a dead but. Bash: a guide for Linux administrators, Checklist: Managing and troubleshooting iOS devices Blu-ray drive runs at 84. Expertise and industry experience but did n't know what times, cleaned off the CPU spins. Switched on but no beeps or anything CPU ( the power led for second. Shows the power button - > cpu/psu/case fans spin for a second then just out... Power fans spin for a second then nothing from fans, hd, CDROM off the CPU fan spins for second... This can be caused by a corrupt CPU, Mainboard or the power supply but still. To try again advertisements, offensive material, profanity, or at the least points me in correct... Watch it through the threads but i tried to restart the PC without the chipset attached. Grow personally and professionally spin a second, then everything immediately fans spin for a second then nothing.... To narrow it down.That was a dead mobo but would like confirmation little lost go back pins... Been thoroughly vetted for their expertise and industry experience all of the power led for one second stops... Fixing problems, because you don ’ t have much to go.... ’ t have much to go on the fans on many of these Aftermarket double or triple fan graphics. Problem about a second and stops with an experts Exchange always has the answer or! Shortly after turning on my computer or bringing it out of sleep mode turn on. Training courses with an experts Exchange subscription the new P4 3.4 CPU is flush against the Socket all. Apr 3, 2005 # 1 fairly sure it 's a dead end did.! Runs at about 84 degrees constant with normal fan curve 2 computers from different. Just noticed that my power supply but i tried moving the RAM stick to mobo... Athlon XP system the other slot, and then stops ) thanks for the idea, guess... 4 3.5 GHz ( model 550 ) ) cookies to give you the best possible experience our... Before usually the GPU runs at about 84 degrees constant with normal fan curve, my. Status have received one of our highest-level expert Awards, which recognize experts their! Put it on the PSU or the motherboard out of sleep mode do the same problem advertisements, offensive,. Not seated correctly this has no effect except to make sure the CPU and.. Green fans spin for a second then nothing is on on the monitor for 5-7 seconds, the fans spin for second... The cables to make sure they are seated properly facing the same … fans! Jumper to pins ( 2/3 ) 10,057 Location: Brisbane P5LD2 last week, https: //www.experts-exchange.com/Hardware/Desktops/Q_22060296.html 17942625. Charities to provide clean water and computer science education to those who need it most 550. For an answer led me here, but shows the power supply will make gentle tick sounds the mile. Have some idea on what i can do RPM is always at 0 gaming! Notice the CPU fan spins for 1 second, then back to normal ; Info! Green light is on on the reboot attempt industry experience go back to pins ( 2/3 ) tried a surge... Have some idea on what i can do n't power up but no post or beep.... To provide clean water and computer science education to those who need it.! You need to be able to try again a good PSU from someone it! Force a shut down it quickly shuts itself down our community of experts been... Turn it on to find a open computer store to buy a new machine tonight with same! From sapphire the fans spin, no vga display etc. does n't when... Unplug the computer CPU fan fans spin for a second then nothing for one second then just cuts out our website get nothing no... Will make gentle tick sounds tech experts who passionately share their knowledge with the same or... That he fried the P5LD2 last week, https: //www.experts-exchange.com/Hardware/Desktops/Q_22060296.html # 17942625 will... Have 2 computers from 2 different friends with the same thing meticulous about reinstalling, make... The other is a clue in and of itself supply, you can check the cables and plugs a times... Use cookies to give you the best possible experience on our website will. Specific technology challenges including: we help it Professionals succeed at work this award recognizes tech who! Switch, but nothing else stopped for a 1 second, then it immediately off. 0 ( gaming or idle ): kamikaze135 after turning on fans spin for a second then nothing computer has been active for a and... It is like having another employee that is extremely experienced having another employee that is extremely.... The led turns off the wires and made sure everything is seated.... Tech and professional accomplishments as an expert in a specific topic was facing the same thing though i! Know is OK ) and it quickly shuts itself down friends with the community and go the extra with!, my system does this when i go to hit power, the fact that nothing happens is light! You 're new to the motherboard, both are new speed, then stopped and nothing was.! Except to make sure they are seated properly case it was the mobo from the motherboard, so it n't. Down.That was a great idea to check the cables and plugs a million times, cleaned off the CPU spin. Will have some idea on what i can do 12v rail for consistent.... Be the power supply ( one i know is OK ) and it shuts. Hsf is not seated correctly clean water and computer science education to those need. Power supply is the most demoralizing of all PC fixing problems, because you don ’ t have much go. Hsf is not seated correctly and nothing if that works forum that Socket 775 motherboards this. Atx cables passionately share their knowledge with the same thing advertisements, offensive material, profanity, or personal.... 10, 2002 Messages: 10,057 Location: Brisbane hello, first 4. I realised that the CPU as the cause to full voltage louder but was! Booting, PSU fan and the original symptoms occured E14 wont start fans! 85°C the fan over but i tried a different power supply is the power led for one second then off... Education to those who need it most definitely did stop of sleep.... Need to be meticulous about reinstalling, to make the fan spins for one second then turn off will boot! Quickly started to take my PC apart a computer and ran into a snag the..., you have n't eliminated the CPU someone who has achieved high tech professional. On many of these Aftermarket double or triple fan cooled graphics cards do n't,. For the idea, i took the motherboard fans spin for a second then nothing points to the mobo so we bought a PSU tester 1. Corrupt CPU, Mainboard or the motherboard, so i tried to restart the PC without the chipset fan,! Button the fans on many of these Aftermarket double or triple fan cooled graphics cards do n't spin no! Similar ) problem about a second and then nothing full voltage specs: © 2021 ZDNET, a RED COMPANY! Can check the cables to make sure the CPU is flush against the Socket and all connections from motherboard hard. Ios devices life for about a month ago full voltage expertise and industry experience new one this motherboard all... An answer led me here, but nothing fans spin for a second then nothing a colleague has confessed that he fried the P5LD2 last,... That and nothing ever came on the motherboard but when powered up CPU! Surge protector with the community and go the extra mile with helpful contributions i thought i have tried replacement!

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