How to Safely Update BIOS on PC or Laptop (2025 Guide)

Let's Dive In | Update BIOS on Your PC

Updating your BIOS (Basic Input/Output System) might sound intimidating, but it’s an essential part of keeping your system compatible with new hardware, fixing bugs, or improving performance.

In this guide, we’ll break down everything you need to know - from understanding what BIOS is to updating it safely.

What is BIOS And Why Should You Update It? 🔍

The BIOS is a low-level firmware stored on your computer's motherboard. It initializes hardware during boot and provides runtime services for operating systems. Manufacturers occasionally release BIOS updates to:

• Fix bugs

• Improve hardware compatibility

• Support new CPUs or memory

• Enhance system stability

⚠️ Note: Unlike regular software updates, BIOS updates come with a risk. If done improperly, it could “brick” your motherboard - so proceed carefully and only update if necessary.

Here's the Step-by-Step Guide On How to Update BIOS 💻

Updating your BIOS isn’t difficult, but it needs to be done carefully to avoid system issues. Follow these steps exactly to ensure a safe and successful BIOS update.

1. Check Your Current BIOS Version 🧾

   Before updating, check which version of BIOS your system is currently running.

🪟 For Windows:

1. Press Win + R and type msinfo32, then hit Enter.

2. Look for BIOS Version/Date on the System Information window.

3. Note the manufacturer and version (e.g., American Megatrends Inc. 1.12, 03/2023).

2. Find the Right BIOS Update 🌐

1. Go to your motherboard or laptop manufacturer's official website.

   (Example: ASUS, Gigabyte, Dell, Lenovo, HP, etc.)

   
   

2. Navigate to the Support or Downloads section.

   
   

3. Enter your exact model number.

   
   

4. Look for the BIOS or Firmware section.

   
   

5. Compare your version with the latest one listed.

   
   

6. Download the BIOS update only if it’s newer than your current version and it mentions improvements you need.

3. Prepare for the Update

   Before you begin, make sure your system is ready proper preparation prevents BIOS update failures and unexpected errors.

✅ General Preparation:

• Backup your important data.

• Ensure the system is stable and connected to power.

• Do not interrupt the update process once it begins.

💾 Create a Bootable USB (Optional Method):

Some manufacturers offer an option to update BIOS via USB boot.

1. Format a USB drive to FAT32.

2. Copy the BIOS file (and the updater if required) to the drive.

3. Boot into BIOS and use EZ Flash, Q-Flash, or similar tools.

4. Update the BIOS (Using Built-In Tools) ⚙️

   Most modern motherboards include built-in utilities that make the BIOS update process simple, safe, and quick - use them for the best results.

   
   

   Option 1: BIOS Update via Windows Utility 🧩

   
   

   Many brands like ASUS, MSI, and Gigabyte offer Windows-based BIOS update tools (e.g., @BIOS, Live Update).

1. Install the official utility from your manufacturer.

2. Run the tool and select the downloaded BIOS file.

3. Follow the on-screen instructions and do not power off your PC.

Option 2: BIOS Flash Utility from BIOS Itself 💡

1. Restart your PC and enter BIOS/UEFI setup (Del, F2, Esc, depending on your device).

2. Use the Flash Utility (e.g., EZ Flash, M-Flash).

3. Select the BIOS file from your USB drive.

4. Start the flashing process and wait till it completes.

5. Reboot and Verify ✅

   
   

   After the update:

• The system will restart automatically.

• Re-enter BIOS and ensure the version reflects the new update.

• Adjust any custom BIOS settings (boot order, XMP, etc.) if needed.

Important Tips and Safety Warnings 🚨

BIOS updates are powerful but risky, so taking precautions can save your system from serious issues. Keep these important tips in mind to ensure a smooth and safe update experience.

• Never turn off your system during a BIOS update.

• Only use official sources for BIOS files.

• Read the update notes/changelog before proceeding.

• Use a UPS if updating on a desktop to prevent power loss.

Ensure Stable Power and Backup Before Proceeding

Before initiating a BIOS update, make sure your device is connected to a reliable power source - especially if you’re updating a laptop. A sudden power loss during the update process can corrupt the BIOS, rendering your system unbootable. For added safety, consider using a UPS (Uninterruptible Power Supply) on desktops.

Also, back up your important files and settings, even though a BIOS update rarely affects stored data. Taking these precautions helps prevent irreversible damage and ensures a smooth update experience.

Key Takeaways 🧠

Updating your BIOS isn’t something you do frequently - but when necessary, it can greatly improve your system's performance, compatibility, and stability. Just remember to follow the manufacturer’s instructions, double-check your model and version, and approach the process with caution.

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Disclaimer: BIOS updates carry inherent risks if done incorrectly. Follow this guide at your own discretion, and always refer to your motherboard or laptop manufacturer’s official instructions for the most accurate and safe process.

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