💻 Laptop BIOS Guide 📂 Samsung Galaxy Book & Copilot+ PCs ⏱️ 4 min read 🛡️ Verified: September 2026

How to Update BIOS & Firmware on Samsung Galaxy Book Laptops

UEFI BIOS updates for Samsung Galaxy Book, Book Pro, and Book Ultra laptops enhance Intel/Qualcomm Snapdragon battery efficiency, resolve fan acoustics, patch system vulnerabilities, and improve Thunderbolt USB-C docking compatibility.

📋 Pre-Flight Requirements

  • ✓
    Original AC Power Adapter: The laptop must be plugged into its USB-C wall charger with minimum 30% battery charge.
  • ✓
    Save Open Work: The system will automatically restart into the UEFI firmware flashing environment.

🛠️ Required Utilities & Downloads

Samsung Update Utility
Samsung first-party software updater preinstalled or downloadable from Microsoft Store.
Get Tool →

Detailed Step-by-Step Procedure

Follow each step in exact sequential order. Do not skip verification checkpoints.

1
Stage 1

Connect AC Power & Close Running Applications

Prepare the laptop environment.

Connect your authentic Samsung USB-C AC adapter. Ensure battery charge is at least 30%. Close all running documents and applications.
2
Stage 2

Open Samsung Update or Download BIOS Package

Access update via Samsung Update or standalone setup file.

Launch Samsung Update from the Windows Start menu. If using a standalone BIOS package downloaded from SamsungCare, right-click the .exe file and select Run as administrator.
3
Stage 3

Initiate BIOS Installation & Restart

Confirm prompts and allow the system to reboot.

Click Update next to BIOS/Firmware. Review release notes and click Install. The system will prompt that a reboot is necessary.
4
Stage 4

Allow UEFI BIOS Flashing to Complete

Do not close the laptop lid or interrupt power.

The laptop will reboot into a black screen showing the Samsung logo and a BIOS update progress bar. Fans may ramp up temporarily. Do not press any keys, power off, or close the lid until Windows restarts to the desktop.

🛠️ Troubleshooting & Error Resolutions

If you encounter unexpected errors or interruptions, consult these verified technical resolutions:

Error Installer warns "AC adapter is not connected"
Possible Cause: System safety lock prevents BIOS updates on battery power.
Verified Resolution: Plug in the original 65W/100W/140W USB-C charger. Ensure the charging LED is lit before running the utility again.

❓ Frequently Asked Questions

How long does a Galaxy Book BIOS update take?

Typically between 2 to 4 minutes. The laptop will reboot 1 to 2 times automatically during the flash.

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