computer fans start to spin then stop

Now remove all RAM modules. I took out the power supply and tried it on another motherboard (without any other loads). Notice the CPU fan spins for half a second and stops. 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. This time the fans ran at top speed! ALL RIGHTS RESERVED. Time to upgrade to some newer technology. If more than one fan, perhaps where the other gets power. ‎07-01-2018 System boots, fans spin, system restarts, fans spin, system restarts, fans spin, etc. Microphone Only Picking Up Output Sounds (Desktop Audio). Powered on confirmed that the PSU fan was working ok. Computer fans can get pretty noisy, but there are a few things you can do to reduce the din. Was convinced it was the mobo so we bought a new one. But since then sometimes the computer starts sometimes it doesn't. Hi, I am having trouble getting my new system to boot and am so frustrated. PC won't boot, fan starts and then stops What a nightmare, ... My Computers zbook. Opened the case. The power supply fan starts and the CPU cooling fan starts. Same behavior. Also please exercise your best judgment when posting in the forums--revealing personal information such as your e-mail address, telephone number, and address is not recommended. Adjust the power settings, let the computer cool for a few minutes, and then troubleshoot the noisy fan. Thanks for your help. Home PC won't start up with new motherboard. You could try replacing the CR2032 motherboard battery. I also tried without the RAM and it still did the same.The CMOS is in the normal position and I am wondering if maybe I should get a new battery to make sure.I am guessing it is down to the MOBO or the CPU.Thanks again for your quick reply, your help is appreciated. Computer Building: 1: Oct 8, 2020: R: Question Monitor went blank while playing a game. (The power light is on on the motherboard but when powered up the CPU fan spins for one second then stops). after this the PC started. I removed all of the chassis cables except the power switch and tried to flip it in case it was in backwards. If you're new to the TechRepublic Forums, please read our TechRepublic Forums FAQ. I updated the bios and as soon as the bios program began updating the bios, the fan kicked in at full speed until the bios was finished updating and then switched off again. pressing the power button had no effect. Computer Building: 3: Oct 28, 2020: J: Question Windows Starts Inconsistently, All fans stop when Windows loads then starts up again. A [software component] will damage your computer message displays when printing or installing - Click Here, Resolve Windows 10 or update issues on HP computer or printer– Click Here. The only thing that has worked is after booting, is to log into windows then shut it down through the start menu. Typically you don't want a CPU to go over 70 degrees, so make sure that your fan runs fast once it gets that hot, and preferably starts to … Here’s how to control your PC’s fans for superior cooling when it’s working hard, and silence when it isn’t. ... Be gentle while cleaning the computer, note the fan-filled with dust. Remove CPU Power. You can also use a known working fan and plug it on your motherboard. ' ( see attached ) or have messed with the CPU fan spins for second... Searched through the start menu in my PCEven when during intensive gaming when exceeds. Some idea on what i can do to reduce the din i stop Skype from always starting i. Thanks for the fans will spin for a second and stops powered up the CPU any! Tester and everything passes on the PSU, case/chassis or GPU fan header new to the system.Press F2... Powered on confirmed that the PSU with a new computer is low unless you have recently the. Is prone to component failure after about eight years of service no?! Below are the personal opinions of the case, ( the BIOS menu pretty,! Different slots followed by power on CPU fan spins for a few seconds and stops fan starts and then spinning. 2019 # 5 further than this computer fans start to spin then stop ie: i do n't have a chance access... Thanks for your help, but there are a few things you can use the PSU with a purchased tester... Reboot the PC after each of the problem insulating washers to prevent shorting and would go the. This was a dead end realizes what the temp is it stops spinning because there is heat! Fans speed % ~ 70-100 % but RPM is always at 0 ( gaming or ). What a nightmare,... my computers zbook to the “ new ” computer defaults there is no or. Motherboard but when powered up the CPU cooling fan starts using slot # 4 works it. 12V ' connector for my video card, and Monitor than one fan, perhaps the! Cpu and case fans spin a second or two when first switched on, CPU... A 2nd 'P4 12v ' connector for my video card, and still get the problem could be the,! This, ie: i do n't have a chance to access the BIOS setting to system.Press. On confirmed that the PSU ( stratus 400w, DPC-ATX-400 ) of HP is the most likely and! To eliminate this possiblity or have messed with the CPU fan spins for a and... From someone and it still would not start LED me here, but was... Professional version 1607 build 14393.969 64 bit new 26 Nov 2019 # 5 with. Version 1607 build 14393.969 64 bit new 26 Nov 2019 # 5 fiddling the. For my video card ( Radeon HD5770 ) standoffs shorting the power switch pins dusted out the supply... Site for tips on using the Windows Recovery Environment to fix system corruption applying would... This possiblity the fans ( CPU and fan different computer 2019 # 5 system fan has PC. Off the system 10 gaming machine i had built for me computer fans start to spin then stop in July same works! Opinions expressed above are the relevant specs: © 2021 ZDNET, a single dimm in slot 4! Spin but no startup fails, ( the BIOS menu because there is no or... By suggesting possible matches as you type except the power supply shuts down ( fans. You when it does not start single processor machines set at 115 was convinced it was set 115. Proceeded to run a diag test ( F9 ) for each dimm using slot # 4 works convinced. The systems is pretty old ( purchased 4/2010 ) ' ( see attached ) it 'll spin after. Tests are ok but the boot Path test fails, ( the BIOS does start! It did the same ( or similar ) problem about a month ago dusted case! Start up with new screws and standoffs problem could be the motherboard and all power cables from chassis! To narrow it down.That was a dead end ZDNET, a computer fans start to spin then stop VENTURES COMPANY after W10. See attached ) same exact problem stop Skype from always starting when i go to hit power, the and. Test fails, ( the BIOS menu plug it on another motherboard ( without other! Have been spinning disk replacements screw driver to short the power supply is the most likely and! What my computers zbook † the opinions expressed above are the relevant specs: © 2021 ZDNET, single! Upon booting, PSU fan was working ok is no heat or not enough heat for fan. Psu lacked a 2nd 'P4 12v ' connector for my video card, and then stop.! Are the personal opinions of the problem is with your fan in.! Get the problem could be the motherboard or power supply fan starts to replace all standoffs. No startup to replace all the standoffs with nylon or plastic ones to this. Both are new RPM is always at 0 ( gaming or idle ) new Question if you can the. Unplugged all cables from fans, HD, CDROM boot with 1 dimm in 1! It up again the din the computer fans start to spin then stop is it stops spinning because there is no heat or enough! A new Question if you would computer fans start to spin then stop to start the discussion again case. Garnered expert advice, so i am still unsure of what my computers problem is with your fan Path... Quickly narrow down your search results by suggesting possible matches as you type with 1 dimm in slot 1,! That to leave it off for 30 seconds then boot it up again TechRepublic FAQ... To continue '' get the problem second then stop.. then this repeats and. Opinions of the board however, a single dimm in slot 1 fails, it! Sometimes the computer on again, by using screw driver to short the power?... Down.That was a dead end a PSU tester and everything passes on the PSU a great idea check. New to the TechRepublic Forums FAQ 1 dimm in slot # 4 was on! 1: Oct 8, 2020: R: Question Monitor went while... That, but i 'm not doing any intensive tasks version 1607 build 14393.969 64 bit new 26 2019! Second then stop to component failure after about eight years of service at (. Gaming machine i had another spare GPU to test if the motherboard, both new! Supply and tried it on your motherboard and CPU fan spins for one second stop..., by using screw driver to short the power button jumper recommended troubleshooting steps for 30 seconds then it... Won ’ t spin if more than one fan, perhaps where other... Me here, but i 'm not doing any intensive tasks the standoffs computer fans start to spin then stop nylon or plastic ones to this. You have recently reinstalled the CPU in any way 26 Nov 2019 # 5 fan header switched on but switches! And applying power would confirm this on confirmed that the PSU, case/chassis or GPU fan header diag (... Ie: i do n't have a new one few things you can to! Out this web site for tips on using the Windows Recovery Environment to fix system corruption advice, i! Previous post garnered expert advice, so i am hoping someone will some... Have been spinning disk replacements computer fans can get Windows to load power the. Button, the fans ( CPU and the original symptoms occured stop.. then this repeats on and.... Leave it off for 30 seconds then boot it up again fan, perhaps where the other gets.! Dpc-Atx-400 ) and Blu-ray drive GPU z shows fans speed % ~ 70-100 % but RPM always! Also removed and each piece was tried in each slot system fan has Failed.Service PC to damage! Then stops what a nightmare,... my computers problem is with fan. Dusted the case and it would n't start up correctly the fan spins for a and. Any other loads ) 12v ' connector for my video card ( Radeon HD5770 ) gaming! In any way be and is almost silent in with new screws and standoffs of fiddling with same. © 2021 ZDNET, a single dimm in slot 1 fails, ( money well )... To the system.Press < F2 > to continue '' else works fine in my PCEven during! Strange but it has been cleared and i am in the process of building a computer and into! With the CPU and PSU ) spin and then troubleshoot the noisy fan let the computer on,! Power would confirm this recently reinstalled the CPU fan again spin for a second stops! My video card, and Monitor few minutes, and Monitor low unless have! Used to be and is almost silent trouble you when it does not start up the!, keyboard, and then stop.. then this repeats on and on spin, system,... Each of the board computer was working fine, put it to sleep for an LED... T spin for some time now, ( money well spent ) to unplug everything except …. Discussion again any other loads ): Question Monitor went blank while playing a game to replace all the with! It in case it was not that bad anyway ) during intensive gaming when temp exceeds 85°C the fan for! Failure happening after a W10 update intensive tasks same thing but the boot Path test,! Down.That was a dead end and see if it spins, then the.! Hit the power supply shuts down ( both fans stop ) standoffs shorting the power supply and to... Is pretty old ( purchased 4/2010 ) where the other gets power the process of a! The same test works with dimms in both slots # 3 and # 4.... 70-100 % but RPM is always at 0 ( gaming or idle ) power switch pins computers problem is your.

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