User Guide

Chapter 2: Hardware Setup
2-24
2.10 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 (the USB port
holemarkedingreenontheI/Oshield)thenpresstheUSBBIOSFlashbackbuttonforthree
seconds to automatically update the BIOS.
TouseUSBBIOSFlashback:
1. Download the latest BIOS from the support site at http://support.asus.com and save it
to as USB storage device.
WerecommendyoutouseaUSB2.0storagedevicetosavethelatestBIOSversionfor
better compatibility and stability.
2. InserttheUSBstoragedevicetotheUSBFlashbackport.
Refer to section 2.11.1 Rear I/O connection for the location of the USB port that supports
USBBIOSFlashback.
3. Shut down your computer.
4. PresstheBIOSFlashbackbuttonforthreesecondsuntiltheFlashbackLEDblinks
threetimes,indicatingthattheBIOSFlashbackfunctionisworking.
• Donotunplugportabledisk,powersystem,orpresstheCLR_CMOSbutton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 in BIOS setup, refer to the section 4.11 Updating BIOS in
Chapter 4.
BIOS Flashback button
USB BIOS Flashback port
5. Waituntilthelightgoesout,indicatingthattheBIOSupdatingprocessiscompleted.