New comments cannot be posted and votes cannot be cast. 3-pin connectors allow the fan to have speed control. Anyone is welcome to seek the input of our helpful community as they piece together their desktop. If you don't get the grinding noise, power down, add in another fan, and repeat the process until all fans are back online. I'm not sure if this is normal! 2-pin connectors only supply an electrical current to the fan. Hi, I built a pc back in September, and up to about a month ago everything was fine. When I read this I remembered how noisy my old video card was before the driver was loaded, but this is an unholy racket. PC is loud on startup. The PC would freeze within a couple of minutes too. Hi all, I purchased a Dell Inspiron 15 7000 Series - 7591 in May 2019. Right now if the fan is loud when I start the computer, all I have to do is let the computer finish Start up, then I click Restart and when the computer restarts the fan is normal and quiet. Your Mobo probably has program to adjust fan speed, this won't kick in till the OS starts up and loads that program. My fan did the same thing. I am getting some serious loud fan noise from the back when I start it up, I don't think it's my graphics card.. Fans often get abnormally loud when they start to fail. I don't know if this is normal or not. Recently my rig has been getting louder and louder as it starts up. Planning on building a computer but need some advice? Not on the film, I shut down after the fans got quiet and let all fans stop spinning, then powered it up again, and the fans started up quietly. This is the place to ask! Replacing the fan. NGL, I was a bit sceptical that he's trolling or whatnot, because you know, it's Reddit, but what do you know, the mobo arrived and there it was, with a kind note. its a problem with the bearing. If i recall correctly, it's only connected to the PSU, not the Motherboard, but I'll check tomorrow. Find out more about keeping your computer cool with these ten tips. Press J to jump to the feed. This can be tricky because you don’t want to increase the insulation around the computer, which will cause the fans … Well, to begin with, you need to use only a single drop of oil. It was loud. just slowly. Common causes for fans not working, abnormal or loud fan noise, overheating: Fans or air vents that are obstructed Corsair H100i loud fan noise and fix. PC unable to boot,but fan is running - Forum - CPU/Desktop Laptop won't turn on fan runs loud - Forum - CPU/Desktop Cpu fan running but no display - Forum - CPU/Desktop once the fan gets up to speed it stops... its definitely a bearing. But Everytime I start up my PC, my fan is extremely loud. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. Back then, I just jiggled my case a little and it stopped, making me think something got caught in the fan and I got it out. My friend has a nitro 5 aswell and he hasn't had any problems with his fan. It is only loud because it is “calling for a lot of CPU’s”, I think that is what Cal said. Sometimes it helps to move the computer under the desk or into a more closed location to muffle the noise. I think the loud noise only comes after the pc has been shut down for awhile. I could temporary fix the noise them by hitting the case. I powered it up again, and you can heart the fan is still loud. i have a cooling pad for my laptop (a sort of platform with some fans in it that my laptop sits on) and one of the fans does this for a bit when i first start it. Not sure how to set fan speed, I kinda let it do that on its own. If you suspect there's a problem, don't ignore it — if the fans fail, your computer may overheat and shut itself down. Oiling the fan Now comes the tricky part. omg. However, one day I came home after a week away and I started up my pc, and the fan was extremely loud. Fans making more and ... A lot of it. its not quite dead, but getting there. Could be a bad bearing in the fan. Every PSU or Power Supply Unit comes with a fan to keep its internal components cool, especially when the PSU is operating at high loads. Your fan is grinding on something. There's usually a very good reason for a fan to be running fast or making noise, the root cause of which you're working to solve with the steps below. Adjust the power settings, let the computer cool for a few minutes, and then troubleshoot the noisy fan. it will hold out plenty long enough to order a new one. You sure the fans are not grinding on something? It's been doing this every single time I started it up from that point on. After powering it up, I shut it off once the pc let me, which is when the fan turns off. Press J to jump to the feed. What temperature should my pc idle at? How exactly do you go about oiling a computer-cooling fan that uses a sleeve bearing assembly? Open your case, check which fan it is and try to fix it/replace the entire fan. However, some Fanless PSUs do exist, but they are very rare and are also quite expensive compared to a PSU with a fan. Controlling the CPU fan speed in your PC (or all the fans, in fact) is a way to give you more control over your Windows 10 experience. Make sure the electrical power is isolated and do it carefully to avoid damaging components. I think it might be a bad fan in your case, for me it was just old. It does go away after a couple minutes. In fact I'm pretty sure it's this back fan that is seethrough and clear as I can tap the top of it and stop the noise momentarily. It's ONLY loud at startup for a couple minutes. If your computer's fans use 2 or 3-pin connectors, you may be able to purchase new fans with 3 or 4 pin connectors as an upgrade. Can anyone help me with this problem? 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