User Manual

2-12
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(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https://www.asus.com/support/ 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 2.3.1 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3.11 Updating BIOS in
Chapter 3.
USB BIOS Flashback port BIOS Flashback button
5. Waituntilthelightgoesout,indicatingthattheBIOSupdatingprocessiscompleted.