X521IA

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    BIOS & FIRMWARE

    Automatically update all necessary drivers via MyASUS
    • Driver & Tools
    • BIOS & FIRMWARE
    BIOS Update(Windows)
    BIOS Update for Windows
    Version 309
    8.36 MB
    2022/04/14

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    7B3F32602BE26A47B430EC1074EE772B678DBA180258844ABE03BB7838B4C558

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS in Windows

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted
    - The Firmware in Device Manager shows a yellow exclamation mark (yellow bang)

    DOWNLOAD
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    BIOS Update for Windows
    Version 308
    7.62 MB
    2021/11/03

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    DF516310AEA951B6A853D23191EF45AFDE32BFB3050EDC56C2B9A5E67F3DE347

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS in Windows

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted
    - The Firmware in Device Manager shows a yellow exclamation mark (yellow bang)

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS Update for Windows
    Version 307
    7.61 MB
    2021/07/12

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    22BC949168C0FB48137AE0C7664207860333AEFEAAF0506A5F96783E9442EE2E

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS in Windows

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted
    - The Firmware in Device Manager shows a yellow exclamation mark (yellow bang)

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS Update for Windows
    Version 306
    7.61 MB
    2021/05/06

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    E744D327A188B5C5540933589C78C3F7B6678E927C92F530C71963363FA4F1A6

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS in Windows

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted
    - The Firmware in Device Manager shows a yellow exclamation mark (yellow bang)

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS Installer for Windows
    Version 303
    6.42 MB
    2020/09/22

    Optimize system performance

    DOWNLOAD
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    BIOS Installer for Windows
    Version 301
    6.36 MB
    2020/07/21

    Optimize system performance

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS Installer for Windows
    Version 300
    5.91 MB
    2020/05/12

    Optimize system performance

    DOWNLOAD
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    BIOS
    BIOS for ASUS EZ Flash Utility
    Version 309
    5.77 MB
    2022/04/14

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    B2FB853D6CE2A5271E355A9C014A87CB6C87FEED0CBB11D5B1666439E5CFEAAB

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS with EZ Flash

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS for ASUS EZ Flash Utility
    Version 308
    5.81 MB
    2021/11/03

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    F71B39E3DCF10766C720B0DA916276BF5DE557BC52766B03FAB29C0BA3AD668E

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS with EZ Flash

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS for ASUS EZ Flash Utility
    Version 307
    5.81 MB
    2021/07/12

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    8A4A13612B7DC5CEA76CDC5ACEEF440CAE0254C0DB2774668A882BD890BE0902

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS with EZ Flash

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS for ASUS EZ Flash Utility
    Version 306
    5.81 MB
    2021/05/06

    Importance : OPTIONAL

    Description :
    It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on.
    Caution! Active updates are possible during the Windows Update process!

    (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.)

    Important Information:
    Optimize system performance

    SHA-256 :
    7BE7EB45558C18B169FCD809B394D6B403495D16CFE3A37E12B3B6E83F9E1408

    Introduction :
    - MyASUS in UEFI BIOS - Introduction

    How to Install :
    - How to update BIOS with EZ Flash

    FAQ :
    - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS for ASUS EZ Flash Utility
    Version 303
    5.79 MB
    2020/09/22

    Optimize system performance

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS for ASUS EZ Flash Utility
    Version 301
    5.71 MB
    2020/07/21

    Optimize system performance

    DOWNLOAD
    SHOW MORE DESCRIPTION
    BIOS for ASUS EZ Flash Utility
    Version 300
    5.71 MB
    2020/05/08

    Optimize system performance

    DOWNLOAD
    SHOW MORE DESCRIPTION
    See All Downloads
    • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
    • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
    • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
    • PCB color and bundled software versions are subject to change without notice.
    • Brand and product names mentioned are trademarks of their respective companies.
    • The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.