Is the MOBO properly raised? 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. Laptop users will need to test on a different computer. For a better experience, please enable JavaScript in your browser before proceeding. I looked around in the bios and the fan will only spin if set to 100%. When I power on, the CPU fan spins for about 1 second and then stops, the motherboard power light remains on at all times. ? Incorrect Positioning: You should place your laptop on a firm level. Question CPU fan spinning too fast? Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. 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. A noisy fan means your laptop is being pushed to its limits. You can also use a known working fan and plug it on your motherboard. Honestly, I had this happen and it was a bad CPU. I have tried to run the LCD BIST by turning the computer on while pressing the key and I … ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. Fan on motherboard spins for a few seconds then stops, no boot. Tried turning on the PC again. It is likely a defective part, but not the motherboard. 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. If it is a new machine, warranty the thing! No monitors or keyboards onto it. However, if I trick the PSU to start using a paperclip, the fan connected to the PSU runs nicely. Took Mobo out of tower and placed it on cardboard. Tried plugging in into an external monitor by changing the window settings fn + … Incorrect Positioning: You should place your laptop on a firm level. Since it's new I'll consider it's bad as one of the last resort for a refund. That or maybe the fan just needs some attention. 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. Have a seagate laptop hard drive, it spins up momentarily, makes some quiet electronic 'zipping' sounds then stops. I have a MSI GS63VR 7RF Stealth pro. Can you pull a cpu from a different machine just to test it? That or maybe the fan just needs some attention. Does it beep like crazy if you try to power on with no memory installed? Laptop users will need to test on a different computer. 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. on Jan 15, 2016 at 16:33 UTC. Help please? There is no reason why the fan stops suddenly after a bootup. 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 ». Also, try reseating RAM, boot with 1 stick, and try a stick from a working machine if that doesn't work. When I start the computer, the fan spins for 2 seconds and them stops. 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. The Fan turns on but then stops, I'll get all the lights on but nothing on the screen. ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. 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. Was convinced it was the mobo to make up for it by blowing harder our new and. 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