Managing and Updating your BIOS

 

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  • Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future.  Copy the original motherboard BIOS using the ASUS Update utility.  

UEFI BIOS - Graphics Mode

ASUS EZ Update Utility

 

EZ Update is a utility that allows you to automatically update your motherboard’s softwares, drivers and the BIOS version easily. With this utlity, you can also manually update the saved BIOS and select a boot logo when the system goes into POST.

 

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    • EZ Update requires an Internet connection either through a network or an Internet Service Provider (ISP)  

Launching EZ Update

    1. Place the support DVD in the optical drive.  The Specials menu appears.

    2. Click the Utilities tab, then click AI Suite 3.

    3. Follow the onscreen instructions to complete the update.

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ASUS EZ Flash 3

The ASUS EZ Flash 3 feature allows you to update the BIOS without using an OS-based utility.  

 

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    • Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com.

    • Check your local Internet connection before updating through the Internet.  

    • Ensure the BIOS default settings are loaded to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu. 

 

 

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To update the BIOS using EZ Flash 3:

 

    1. Enter the Advanced Mode of the BIOS setup program.  Go to the Tools menu to select ASUS EZ Flash 3 Utility and press <Enter> to enable it.  

Via USB

    1. Insert the USB flash disk that contains the latest BIOS file into the USB port, then select by USB 

    2. Press <Tab>to switch to the Drive field.

    3. Press the Up/Down arrow keys to find the USB flash disk that contains the latest BIOS,and then press <Enter>.

    4. Press <Tab> to switch to the Folder Info field.

    5. Press the Up/Down arrow keys to find the BIOS file,and then press <Enter> to perform the BIOS update process. Reboot the system when the update process is done.

Via the Internet

    1. Select by Internet 

    2. Press the Left/Right arrow keys to select an Internet connection method, and then press <Enter>.

    3. Follow the on screen instructions to complete the update.  Reboot the system when the update process is done.

 

ASUS BIOS Updater

The ASUS BIOS Updater allows you to update the BIOS in a DOS environment.  

 

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  • The succeeding utility screens are for reference only.  The actual utility screen displays may not be same as shown.  

Before Updating the BIOS

    1. Prepare the motherboard support DVD and a USB flash drive.

    2. Download the latest BIOS file and BIOS Updater from the ASUS website at http://support.asus.com and save them on your USB flash drive.

 

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    • NTFS is not supported under a FreeDOS environment.  Ensure that your USB flash drive is in a single partition and in FAT32/16 format.

    1. Turn off the computer.

    2. Ensure that your computer has a DVD optical drive.

Booting the system in DOS environment

    1. Insert the USB flash drive with the latest BIOS file and BIOS Updater into the USB port.

    2. Boot your computer then press <F8> to launch the select boot device screen.  

    3. When the select boot device screen appears, insert the support DVD into the optical drive and select the optical drive as the boot device.

 

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    1. When the booting message appears,press <Enter> within five (5) seconds to enter the FreeDOS prompt.

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    1. At the FreeDOS prompt, type d: and press <Enter> to switch the disk from Drive C (optical drive)to Drive D (USB flash drive).

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Updating the BIOS file

    1. At the FreeDOS prompt, type bupdater /g and press <Enter>.

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    1. The BIOS Updater screen appears as below.

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    1. Press <Tab> to switch from Files panel to Drives panel then select D:

    2. Press <Tab> to switch from Drives panel to Files panel and use the <Up/Down/Home/End> keys to select the BIOS file and press <ENTER>.

    3. After the BIOS Updater checks the selected BIOS file, select Yes to confirm the BIOS update is done, then press <Enter>.

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  • The BIOS Backup feature is not supported due to security regulations.  

 

    1. When BIOS update is done, press <ESC> to exit BIOS Updater.  Restart your computer.

 

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    • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure.  

    • Ensure to load the BIOS default settings to ensure system compatibility and stability.  Select the Load Optimized Defaults item under the Exit Menu.