Depending on how hard the CPU is running, the fans may rev up and run for longer periods of time than normal. The noise of the fan running may combine with the normal hum or whir of the hard drive as it accesses data, making it sound louder than it actually is.
How to reduce computer fan noise?
Method 1: Kill the Demanding Processes. The most common reason for a noisy fan is when it is overworked by a system process or a user program.
How do you fix a loud laptop fan?
A clean, soft paintbrush also works well to wipe away dust and dirt build-up. Use compressed air to dislodge any fiber particles. Simply point the nozzle at the dust filled area and release the air. Turn the laptop over to allow any loose debris to fall out. Once all of the dirt and dust is removed, replace the screws in the fan.
Why is my laptop making a loud noise?
The most common reason that a laptop makes a loud noise is that there is something stuck in the CD or DVD drive that is off balance. The second most common source of loud or strange noises is something interfering with one of the cooling fans.
