How to Update an ASUS BIOS

This emindsca teaches you how to update the motherboard software on an ASUS computer. This software, known as the BIOS, can be updated by downloading an update file from the ASUS website and then selecting the update file from within the BIOS. Keep in mind that if you’re still installing regular Windows updates, the BIOS usually doesn’t need to be updated.

Part 1 Finding Your Computer’s Model Name

1. Open Start. Click the Windows logo in the bottom-left corner of the screen.

2. Open Settings. Click the gear-shaped icon in the lower-left side of the Start menu.

3. Click System. It’s a monitor-shaped icon in the upper-left side of the Settings window.

4. Click About. This tab is in the lower-left side of the window.

5. Find out what model your computer is. The model name should be visible between the “Device specifications” and “Device name” headings.

Part 2 Downloading a BIOS Update

1. Open the ASUS support site. Go to in your computer’s web browser.

2. Click the “Please enter a model name” text box. It’s near the top of the page.

3. Enter the model number of your computer. Enter the model name from the “About” section of the System Settings menu. As you type, a drop-down menu will appear with matching results.

4. Choose the appropriate model name. Select your computer’s model number from the drop-down menu.

5. Click Driver & Utility. It’s a link on the right side of the page.

6. Click the BIOS & FIRMWARE tab. You’ll find this near the middle of the page.

7. Look for an update that is available. The most recent BIOS update file can be found here. If the date on the BIOS update file is more recent than the date your computer was manufactured, your BIOS is most likely out of date.

If the file is several years old, your BIOS is probably not in need of an update.

8. Click the DOWNLOAD button. It is located to the right of the BIOS file. This causes the ZIP folder containing the BIOS file to be downloaded onto your computer.

Part 3 Placing the BIOS Update File

1. Unzip the downloaded update folder. You’ll need to use WinRAR to unzip the BIOS archive:

Install WinRAR if you don’t have it.

Double-click the downloaded update folder.

Click Extract To at the top of the window.

Click OK.

2. Make a copy of the BIOS file. When the folder has finished extracting, double-click it to open it, then locate the BIOS file (usually a blank, white file with your computer’s model number), click it, and press Ctrl+C.

3. Open This PC. Click This PC on the left side of the File Explorer window.

4. Double-click your hard drive. It’s under the “Devices and drives” heading.

5. Double-click the “Windows” folder to open it. This is near the bottom of the window.

This folder may require you to scroll down.

6. Double-click the “ASUS” folder. It’s in the “Windows” folder.

7. Paste the copied file in. To do so, press Ctrl+V. The copied file should appear in the “ASUS” folder.

After pasting in the file, you may need to click Continue to confirm your decision.

Part 4 Updating the BIOS

1. Shut down your computer. Click Start, click Power Image titled Windowspower.png, and click Shut down to do so.

Do not restart your computer.

2. Hold down F2. Once your computer has completely shut down, begin holding down this key.

3. Press the Power button. With the F2 key held down, press your computer’s physical “Power” button to turn it back on.

4. Release F2 when the BIOS opens. The BIOS screen will appear after a few seconds, at which point you may release the F2 key.

5. Select the Advanced tab. It’s at the top of the BIOS.

6. Select Start Easy Flash. You’ll find this option at the top of the “Advanced” page.

7. Select your BIOS update file. You’ll do this by using the FS1 directory to browse to the ASUS folder on your computer:

  • Use the “Down” arrow key to select FS1.
  • Use the “Right” arrow key to open FS1.
  • Select Windows and press ↵ Enter.
  • Select ASUS and press ↵ Enter.
  • Select your update file at the bottom of the list and press ↵ Enter.

8. Install the software. When prompted to confirm that you want to update your BIOS, press the “Confirm” key as specified in the prompt. This will cause the BIOS to start updating.

9. Wait for your BIOS to be updated. This can take anywhere from a few minutes to half an hour. While your BIOS is being updated, make the following changes:

If your computer is about to run out of power, keep it plugged into a power source.

Refrain from restarting (or touching the computer in general) until it has finished rebooting.

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