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BIOS & FIRMWARE

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B9403CVA
B9403CVAR

BIOS Update (Windows)
BIOS Update for Windows
Version 316
19.59 MB
2026/07/28
SHA-256 :43EED15FE9139748249C56C40394F5763A2154F403C6015E6FF0E59B3C770A9B

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
Optimize system performance
Security update

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)

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BIOS Update for Windows
Version 314
19.53 MB
2025/09/23
SHA-256 :40732BE3A31DCAA55999F9D9F0FD80AA68725E2EADC1B9DF4053E511B96C8D37

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
Optimize system performance
Security update
Intel Security update

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 313
19.02 MB
2025/01/08
SHA-256 :1700330071A4122190FCA37C332005903BE79827082B80695A5A552B40F904BC

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

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 311
19.02 MB
2024/08/01
SHA-256 :D87D93C14AE19DB1461038879E5C5BFF350C5D4F466A94F9D2C1E9BAE409A8D2

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

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
19.51 MB
2024/03/01
SHA-256 :FA636F9BBFA03C58520CE4271D644A80273FC1A1F93BA19563E58FEE02300235

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
Optimize system performance

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 304
18.64 MB
2023/08/25
SHA-256 :92720F5A251307EDA17E516398BF97A8F69E613AF6749113FD143ABC40719075

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

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 302
18.48 MB
2023/04/18
SHA-256 :A2DEACE6D041FDC2712E1AA82C95354769ECDDD8446FBD74551453433108F178

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

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
BIOS for ASUS EZ Flash Utility
Version 316
17.18 MB
2026/07/28
SHA-256 :16FF7C97204161BDD6D2C00DA6000AB1C0E5B5627933D2C6B8DB22629E83D3E0

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
Optimize system performance
Security update

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 314
17.11 MB
2025/09/23
SHA-256 :F37F926037A3BDC487D4C42335853F78EAE1F4146316A2CC6AEB7C48A05216F6

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
Optimize system performance
Security update
Intel Security update

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 313
16.59 MB
2025/01/08
SHA-256 :67715268405323208F917A212F10046F5AB30EC798926D4BED317E33F28092F9

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

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 311
16.56 MB
2024/08/01
SHA-256 :48CE58B9CA17A5DDEADD31CBA0DF9FE28F6B3838D1DCF4DC026A810B39BBFCE0

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

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
17.02 MB
2024/03/01
SHA-256 :960984888C40ECDEC712284482A6F3208B66601D31C019167AB45755479814A3

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
Optimize system performance

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 304
16.14 MB
2023/08/25
SHA-256 :22665C25AD41B2A74EFB5831D1CA0F17CF62B423D7CF8B7F5B9E72B78239CDD9

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

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 302
15.98 MB
2023/04/18
SHA-256 :D6F2035EDDC6334B10DF886DF44BBC35F5F7E262E57BDC3C1B6E0E1FFAEDEAEC

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

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
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Firmware
Touchpad Firmware Update
Version V7.6.1.138
8.9 MB
2024/03/07
SHA-256 :784C783C2A764B2ACB1DD8EEEC73F6C1318F0954308D5E645A63A016EFBF54D8
Severity : 
Recommended


Description :
For optimized touchpad performance, we recommend that you download and update the touchpad firmware. The update should only take a few minutes. DO NOT turn off your computer while updating to avoid critical issues that could cause the system to not be able to power on or the touchpad from not working properly. CAUTION! Active updates are possible during the Windows Update process!

Minimum OS Version :
Windows 10 64-bit 22H2
Windows 11 64-bit 22H2

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ASUS Firmware assistant
Version V1.3.2.0
7.42 MB
2024/01/24
SHA-256 :A382AFEAF79661722841B7B6FFCC0EC0A778CE1314DD024A66DE228F19C97390
Severity : 
Critical


Description :
ASUS Firmware Utility is a software utility that will assist you in keeping the firmware of your ASUS devices up to date

Minimum OS Version :
Windows 10 64-bit 22H2
Windows 11 64-bit 22H2

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  • 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.
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  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
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