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Home System Tutorial Windows Series How to update BIOS/UEFI on Windows 11

How to update BIOS/UEFI on Windows 11

Jul 26, 2025 am 01:48 AM
uefi bios

Updating BIOS/UEFI can improve system stability, support new hardware or repair security vulnerabilities, but operation should be cautious to avoid damaging the system; first back up data and ensure stable power supply, download matching update files through the manufacturer's official website or motherboard manufacturer page, use msinfo32 to confirm the current version, and give priority to using built-in motherboard tools (such as Q-Flash, EZ Flash) to manually update in BIOS through FAT32 format USB flash drive, avoid using third-party tools or directly update in Windows, verify the version after update and check the startup settings, and update only if necessary.

How to update BIOS/UEFI on Windows 11

Updating your BIOS/UEFI on Windows 11 can improve system stability, add hardware support, or fix security vulnerabilities — but it's a process that needs to be handled carefully. While it's possible to do it directly from Windows, it's not always the safest method. Here's how to do it properly and what to keep in mind.

How to update BIOS/UEFI on Windows 11

? Before You Begin: Important Precautions

BIOS/UEFI updates are powerful but risky. An interrupted update can permanently damage your system. So:

  • Back up your data before proceeding.
  • Connect your laptop to AC power or ensure your desktop has a stable power supply (better yet, use a UPS).
  • Don't interrupt the update — no shutdowns, restarts, or power loss.
  • Check your current BIOS version first:
    • Press Win R , type msinfo32 , and look for "BIOS Version/Date".

? Step 1: Find the Right BIOS Update

You can't use just any BIOS update — it must match your exact motherboard or device model.

How to update BIOS/UEFI on Windows 11

For branded PCs (Dell, HP, Lenovo, etc.):

  • Go to the manufacturer's support website.
  • Enter your model number (eg, Dell XPS 13 9315).
  • Look under "Drivers & Downloads" → "BIOS" or "Firmware".

For custom-built PCs (with standalone motherboards):

How to update BIOS/UEFI on Windows 11
  • Identify your motherboard model (check manual or use tools like CPU-Z).
  • Visit the motherboard manufacturer's site (eg, ASUS, MSI, Gigabyte).
  • Navigate to the support/downloads section for your model.

Always download the latest version and read the release notes — sometimes updates aren't needed unless you're fixing a specific issue.


? Step 2: Update BIOS from Windows (if supported)

Some manufacturers provide Windows-based BIOS update tools. This is the easiest method — but only use it if explicitly offered.

Example (ASUS, MSI, Dell, etc.):

  1. Download the Windows BIOS updater (eg, "ASUS Live Update", "Dell Command Update").
  2. Run it as Administrator.
  3. Let it detect the latest BIOS version.
  4. Follow the prompts and let it restart the system .

?? Note: This still reboots into a pre-OS environment to flash the BIOS — it just starts from Windows.


?? Step 3: Manual BIOS Update (Recommended for Safety)

This method is safe because it avoids Windows interference.

Steps:

  1. Download the BIOS file (usually a .CAP , .ROM , or .BIN file).
  2. Format a USB drive as FAT32 .
  3. Copy the BIOS file to the root of the USB.
  4. Restart your PC and enter the BIOS setup ( usually by pressing F2, Del, or F10 during boot).
  5. Look for a feature like:
    • Q-Flash (Gigabyte)
    • EZ Flash (ASUS)
    • M-Flash (MSI)
    • BIOS Flashback (via button on motherboard)
  6. Select the USB drive and the BIOS file.
  7. Confirm and wait — don't touch anything until it finishes and auto-restarts.

? This method bypasses Windows entirely and is less prone to errors.


? What NOT to Do

  • Don't use third-party "BIOS updater" tools from unknown sources.
  • Don't assume automatic Windows updates include BIOS updates — they don't.
  • Don't update BIOS unless necessary (eg, no new CPU support needed or known bug fixes).

? After the Update

  • Confirm the new version using msinfo32 again.
  • Re-check your boot settings if something changed (eg, Secure Boot, boot order).
  • Reset BIOS settings to default if you encounter issues (look for "Load Optimized Defaults").

Updating BIOS on Windows 11 isn't built into the OS — it depends entirely on your hardware manufacturer. The safest path is using the motherboard's built-in flash tool from a USB drive. It takes a few extra steps, but it's worth avoiding a bricked system.

Basically: Download the right file, use a FAT32 USB, flash from BIOS, and don't rush it.

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