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