Laptop Making Buzzing Noise: Why and How to Fix

Many laptop users, including you, often question, “Why is my laptop making buzzing noise?” This issue can be quite bothersome and may stem from various factors. Let’s delve into the details.

Why is My Laptop Making a Weird Buzzing Sound?

A buzzing noise from your laptop can be caused by issues like outdated drivers, overheating due to dust accumulation, or hardware problems. Each of these factors can contribute to the buzzing sound.

1. Video or Graphics Driver Problem

You might experience laptop making buzzing noise due to problems with the software that handles images and videos.

Outdated or faulty drivers could lead to this buzzing noise.

You can address this by uninstalling the outdated drivers and installing new ones from the official website.

2. Overheating

When dust accumulates in the cooling fans, your laptop can get too hot and produce buzzing noises.

Cleaning the fans can help reduce this noise.

laptop fan making buzzing noise
Image by Kiều Trường from Pixabay

3. Outdated BIOS

If your laptop’s BIOS, its control center, is outdated, it might generate buzzing noises.

Keeping your BIOS updated can help mitigate this issue.

4. Outdated or Broken Display and Audio Drivers

Buzzing noises can result from using old or malfunctioning drivers.

Updating these drivers can effectively resolve this buzzing issue.

5. Hardware Problems

Physical problems such as broken slots can cause buzzing sounds.

Utilizing diagnostic tools can help you pinpoint and resolve these hardware-related problems.

How to Address Laptop Making Buzzing Noise

Follow these steps to effectively address the laptop making buzzing noise:

1. Boot in Safe Mode

Restart your laptop and press “F8” during startup to select “Safe mode with networking.”

This enables you to start your laptop without unnecessary applications.

2. Update Drivers

Access your laptop manufacturer’s website and download the latest display and audio drivers.

Installing these updated drivers can replace the outdated ones responsible for the buzzing noise.

3. Update BIOS

Regularly update your laptop’s BIOS through the settings to ensure optimal performance and reduce buzzing noises.

4. Run Hardware Diagnostics

By restarting your laptop and selecting “Diagnostics” from the startup menu, you can identify and rectify issues that may be causing the buzzing noise.

Laptop Buzzing During Charging

If your laptop emits buzzing sounds while charging, several factors could be responsible.

These include power plan settings, speaker or hard drive issues, a damaged charger, or faulty internal hardware.

A comprehensive examination of both hardware and software can help determine the exact cause.

Read also: Can I Use My Laptop While Charging?

Addressing Laptop Charger Buzzing Noise & How to Fix It

When your laptop charger produces a buzzing noise upon plugging in, it’s crucial to understand the root cause and potential solutions.

1. AC Adapter Loose Wire

A loose connection between your laptop and the charger can trigger buzzing noise.

Ensure a secure connection and replace any damaged wires to alleviate this issue.

Read also: Plugged In but Not Charging – Tips to Troubleshoot This Laptop Battery Problem

2. Damaged Charger Cord

Inspect the charger’s cord for visible damage such as frayed wires or bends.

If damage is detected, replace the charger with a new one obtained from the manufacturer.

3. Defective Electrical Socket

Try using a different electrical socket to determine if the buzzing noise persists.

If the issue resolves with an alternate socket, consider seeking professional assistance to address the original socket’s problem.

4. Short Circuit

If a short circuit is suspected, discontinue charger usage and seek expert help.

Using a multimeter, a professional can identify and rectify any short circuit issues.


Addressing laptop making buzzing noise is feasible by following the provided steps. By resolving these issues, you can enjoy a quieter and more efficient laptop experience. If unsure about any steps, prioritize safety and seek guidance from professionals. Remember, ensuring your laptop operates smoothly is essential for productive usage.

FAQs – Laptop Making Buzzing Noise

1. Why is my laptop’s fan making a buzzing sound?

A buzzing sound from your laptop’s fan can arise due to various factors. Dust accumulation, a misaligned fan blade, or a damaged bearing can lead to the buzzing noise. These issues can disrupt the smooth rotation of the fan.

2. Does the CPU (Central Processing Unit) create a buzzing noise in laptops?

While the CPU itself doesn’t directly generate buzzing noise, it can contribute to the overall buzzing sound in laptops. High CPU usage or processes running intensely can cause the cooling fans to work harder, leading to increased noise levels. This buzzing noise is often a result of the fans’ efforts to keep the CPU temperature in check.

3. Can a buzzing noise harm my laptop?

In most cases, a buzzing noise itself won’t harm your laptop. However, the underlying causes like overheating or hardware issues could potentially lead to performance problems if not addressed.

4. Should I be worried if my laptop charger makes a buzzing noise?

A slight buzzing noise from the laptop charger might be normal due to electrical components. However, if the noise is excessively loud or accompanied by other unusual symptoms, it’s best to investigate further.

5. Can I fix the buzzing noise issue myself?

Depending on the cause, you can often address buzzing noise issues yourself. Solutions like updating drivers, cleaning cooling fans, or checking connections can be done at home. However, if you’re uncertain or suspect hardware problems, seeking professional help is advisable.

Leave a Reply