It’s the same process for what we do in case of larger fans. Otherwise the computer has been flawless and fast for several years. Once exposed, clean the case fans by blowing compressed air into every nook and cranny. From boot up to shut down, my CPU fan runs at full speed. A noisy case fan comes from the rear of the computer. Visually inspect the fan and check that no wires or debris are stuck in or touching the fan blades. It is extremely loud all the time. About Lenovo + About Lenovo. Remove any objects near the computer. My HP Pavilion desktop (Windows XP SP3 Media As soon as I click the restart button the fans … This might cause due to the striking of the bent blade to other parts of the fan. For hardware. I am at my wit's end. I'm going to try and be concise and to the point. Build Help. Pc case fans suddenly loud. Archived. Solution for Fan Speed Optimization . Good thing is to clean the inside of the server for any dust that has accumulated. It is important to keep dust from accumulating in your PC and ensure adequate ventilation to help reduce heat. There is no variability. Fan stops or makes unusual noises. In addition, make sure there are no children or pets near the area. I opened the case and when my monitor lost signal I saw 2 GPU fans spinning faster than normal, others were spinning the same. Hello reddit I recently built my pc and it was pretty silent even when having pc fans always running at high but today I woke up and pc fans sound way louder than they ever had. While you’re at it, give the motherboard, graphics cards, hard drive, power supply fan, and other components some attention. Build Help. Open the case and see if you can find which fan is making the noise. Pc case fans suddenly loud. Remove the noisy fan and clean it with some compressed air. To open the computer case, loosen or remove the screws at … Open the case by removing one or both panels using a screwdriver. Locating a noisy fan . Turn off the computer. In case you have found any bent or unbalanced blades, you should step in to fix it up. In case the fan blades are imbalanced or bent, it might call up a humming or rattling noise in the fan. Turn off the power and remove the computer side panel to locate the noisy fan. Do your case and/or PSU fans suddenly become noisy when you turn on your PC, then eventually quiet down, in most cases, the fan is not going bad, just a little TLC is needed. O/S power settings do not affect the speed. If you have a tool-free case, unlatch the hinges to open the panel. Posted by 2 years ago. If the issue persists, the case fan … Determine the type of noise you are hearing. Gently hold the fins of the fan while using the … 0. Close. It started after very briefly unplugging and plugging in the fan … Question: My computer fan is kicking on high every few minutes, help! 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