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Chapter 2: Basic Installation
Chapter 2
2.2 BIOS update utility
USB BIOS Flashback
USB BIOS Flashback allows you to easily update the BIOS without entering the existing
BIOS or operating system. Simply insert a USB storage device to the USB port, press the
USB BIOS Flashback button for three seconds, and the BIOS is updated automatically.
To use USB BIOS Flashback:
1. Place the bundled support DVD to the optical drive and install the USB BIOS
Flashback Wizard. Follow the onscreen instructions to complete the installation.
2. Insert the USB storage device to the USB Flashback port.
Please ensure to use the BIOS le named Z270TUF1.CAP. Please refer to Chapter 3:
BIOS Setup for more information.
3. Launch the USB BIOS Flashback Wizard to automatically download the latest BIOS
version.
4. Press the BIOS Flashback button for three seconds until a ashing light appears, which
indicates that the BIOS Flashback function is enabled.
5. Wait until the light goes out, indicating that the BIOS updating process is completed.
• DO NOT unplug portable disk, power system, or use the CLR_CMOS jumper while
BIOS update is ongoing, otherwise update will be interrupted. In case of interruption,
please follow the steps again.
• If the light ashes for ve seconds and turns into a solid light, this means that
the BIOS Flashback is not operating properly. This may be caused by improper
installation of the USB storage device and lename/le format error. If this scenario
happens, please restart the system to turn off the light.
• Updating BIOS may have risks. If the BIOS program is damaged during the process
and results to the system’s failure to boot up, please contact your local ASUS Service
Center.
For more BIOS update utilities, visit www.asus.com for more information.
USB BIOS Flashback port USB BIOS Flashback button
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