How to Update BIOS on Windows 11 Safely

To update BIOS on Windows 11, first check your current version (press Win + R, type msinfo32 and look at “BIOS Version/Date”), download the newer file for your exact motherboard or laptop model from the manufacturer’s support page, suspend BitLocker if it is on, and then flash it using the board’s built-in utility (such as ASUS EZ Flash, MSI M-Flash or Gigabyte Q-Flash) or the laptop maker’s Windows updater. This update BIOS Windows 11 guide walks through each step, and the golden rule is simple: keep the PC on stable power and never switch it off during the flash.

A BIOS (more precisely UEFI firmware) update is usually quick and safe when you follow the steps, but it is one of the few PC tasks where an interruption can leave the system unable to start. Below you will find how to check the BIOS version, the update methods for desktop boards and laptops, the BitLocker step many people miss, and what to do after the update.

BIOS, UEFI and firmware: what you are actually updating

Almost every Windows 11 PC uses UEFI firmware, the modern replacement for the original BIOS, but manufacturers and Windows still call it “BIOS” in menus and downloads. The update replaces the firmware stored on a chip on the motherboard. It often bundles CPU microcode, memory training code and security fixes. Separate firmware for components such as the Intel Management Engine, SSDs or the graphics card is updated through its own tools, so a BIOS update does not cover those.

Is updating BIOS safe?

Generally yes. Modern motherboards and laptops verify the file before flashing, and many desktop boards include recovery features. The real risks come from power loss during the flash, the wrong file for your model, or interrupting the process. With the precautions below, problems are rare.

Good reasons to update:

• CPU support: a newer processor needs a newer BIOS on an older board.
• Stability and microcode fixes: for example, Intel distributed microcode fixes for instability on some 13th and 14th Gen Core desktop CPUs through motherboard BIOS updates.
• Security patches: firmware vulnerabilities are fixed through BIOS updates.
• Memory compatibility: better support for high-speed DDR5 kits and XMP/EXPO profiles.
• Bug fixes: sleep, USB, fan control or boot issues listed in the release notes.

If your PC works perfectly and the release notes fix nothing that affects you, it is fine to wait. Do update when the notes mention security fixes or problems you actually have.

Check BIOS version on Windows 11

Older guides use the wmic command. Microsoft has deprecated WMIC and it is not available by default on newer Windows 11 installations, so the PowerShell commands above are the better choice.

Update BIOS Windows 11 checklist: before you start

1. Identify the exact model and revision. Desktop boards often have revisions (for example rev 1.0 vs rev 1.1) with different files. Use msinfo32 or the label printed on the board.
2. Download from the official support page only. Go to the manufacturer’s website, find your model’s support or downloads section, and choose the BIOS file. Avoid third-party download sites.
3. Read the release notes. Some versions must be installed in order, or need a newer Intel ME or AMD chipset driver first. The notes say so.
4. Suspend BitLocker or device encryption. A firmware change can make Windows ask for the 48-digit recovery key at the next start. In Control Panel, open BitLocker Drive Encryption and choose Suspend protection for the system drive. On Windows 11 Home with device encryption, make sure your recovery key is saved in your Microsoft account.
5. Note your BIOS settings. Take phone photos of custom settings (fan curves, XMP/EXPO, boot order, virtualization) because the update usually resets them.
6. Prepare a USB drive for desktop boards. Format it as FAT32 and copy the extracted BIOS file to the root of the drive.
7. Secure power. Plug laptops into the charger and keep the battery well charged; many laptop updaters refuse to run on battery. A UPS is a bonus for desktops in areas with frequent outages.
8. Close everything else. Save your work and close apps, especially when using a Windows-based updater.

BIOS update on Windows 11 for MSI, ASUS and other desktop boards

Most desktop motherboard makers recommend flashing from inside the BIOS rather than from Windows. Tool names differ by brand:

Method 1: In-BIOS flash utility

1. Copy the extracted BIOS file to a FAT32 USB drive and plug it into a rear USB port.
2. Restart and press the setup key (usually Delete) to enter the BIOS.
3. Open the flash utility (EZ Flash, M-Flash, Q-Flash or Instant Flash).
4. Select the USB drive and the BIOS file. The tool checks that the file matches your board.
5. Confirm and wait. The process can take several minutes and the PC may restart more than once. Do not touch the power button.
6. When it finishes, the PC reboots. Enter the BIOS to confirm the new version on the main page.

Method 2: BIOS Flashback (no CPU needed)

This is ideal when a new CPU will not boot on an older BIOS. It works with the PC off but the power supply connected.

1. Rename the BIOS file exactly as the motherboard manual specifies and place it on a FAT32 USB drive.
2. Plug the drive into the specific USB port marked for Flashback on the rear I/O.
3. With the PC shut down but the PSU switched on, press the Flashback button for the time stated in the manual.
4. Wait until the indicator light stops flashing (often several minutes). A solid or fast-blinking light usually signals a file problem; check the manual.
5. Remove the drive and power on.

Method 3: Windows-based utilities for desktops

Some brands offer Windows tools that can download and flash BIOS updates. They are convenient but add a risk: a Windows crash or forced restart during the flash can interrupt it. If you use one, close all other apps and disable automatic restarts first.

How to update BIOS on a Windows 11 laptop

Laptop BIOS updates are usually delivered as a Windows program from the maker, and some arrive through Windows Update.

1. Check Windows Update. Open Settings, Windows Update, Advanced options, Optional updates. Firmware updates for many laptops appear under driver updates. Install it, then restart when prompted.
2. Or use the maker’s app. Dell SupportAssist or Dell Command Update, HP Support Assistant, Lenovo Vantage and similar apps detect and install BIOS updates for your exact model.
3. Or download manually. On the maker’s support site, enter the serial number or service tag, download the BIOS file and run it as administrator.
4. Stay plugged in. The laptop restarts into a firmware update screen with a progress bar. Leave it alone until Windows loads again.

After the update

1. Load optimized defaults if the release notes recommend it, then reapply your settings.
2. Re-enable XMP or EXPO so memory runs at its rated speed.
3. Check Secure Boot and TPM. Windows 11 requires TPM 2.0 and works best with Secure Boot on. Make sure fTPM (AMD) or PTT (Intel) is still enabled.
4. Resume BitLocker protection in Control Panel if Windows did not do it automatically.
5. Update chipset drivers from the motherboard or CPU maker if the BIOS notes recommend matching versions.
6. Confirm the version in msinfo32.

What to do if a BIOS update fails

• PC will not start after a desktop flash: try BIOS Flashback with the correct file; it rewrites the firmware without needing the old BIOS to work.
• Dual-BIOS boards: some Gigabyte and other boards include a backup BIOS that restores automatically or with a switch.
• Black screen but fans spin: clear CMOS using the jumper or button described in the manual, then try again. The first boot after an update can also take longer while memory retrains.
• BitLocker recovery screen: enter the 48-digit recovery key from your Microsoft account or the copy you saved, then suspend protection before any further firmware changes.
• Laptop stuck mid-update: leave it plugged in for a long while before taking any action; then contact the manufacturer’s support, as many laptops have recovery key combinations specific to the model.

Frequently asked questions

How do I check my BIOS version in Windows 11?

Press Win + R, type msinfo32 and press Enter, then look for “BIOS Version/Date.” You can also run Get-CimInstance Win32_BIOS in PowerShell.

Is updating BIOS safe?

It is generally safe when you use the correct file from the manufacturer, keep power stable and do not interrupt the process. Many desktop boards also have Flashback or dual-BIOS features for recovery.

Can I update BIOS from Windows 11?

Yes, especially on laptops, where the maker’s Windows updater or Windows Update is the normal method. On desktops, flashing from the BIOS’s built-in tool is usually the recommended route.

Should I update BIOS if nothing is wrong?

Not always. Update when the release notes include security fixes, support for a CPU you plan to use, or fixes for problems you have. Otherwise it is fine to wait for a meaningful update.

Will updating BIOS delete my files?

No. A BIOS update does not touch your drives or Windows. It does reset firmware settings, and BitLocker may ask for your recovery key if you did not suspend it first.

Does Windows Update install BIOS updates automatically?

On many laptops and some prebuilt desktops, yes: manufacturers publish firmware through Windows Update, often under Optional updates. Custom-built desktops with retail motherboards normally do not receive BIOS updates this way, so check the board maker’s support page.

Do I need to update BIOS for Windows 11?

Only if your PC needs firmware changes to enable TPM 2.0 or Secure Boot, or the maker lists Windows 11 fixes. Most PCs that meet Windows 11 requirements simply need those options turned on in the existing BIOS.