Asus Z77-A - Manual (Page 48)

Chapter 2: BIOS information 2-2
2.1.2 ASUS EZ Flash 2
The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based
utility.
Before you start using this utility, download the latest BIOS file from the ASUS website at
www.asus.com.
To update the BIOS using EZ Flash 2:
1.
Insert the USB flash disk that contains the latest BIOS file to the USB port.
2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select
ASUS EZ Flash 2 Utility and press <Enter> to enable it.
The ASUS Update utility is capable of updating itself through the Internet. Always update
the utility to avail all its features.
Updating from a BIOS file
a. Select Update BIOS from file, then click Next.
b. Locate the BIOS file from the Open window, then click Open.
3. Follow the onscreen instructions to complete the updating process.
• This function supports USB flash disks formatted using FAT32/FAT16 on a single
partition.
• DO NOT shut down or reset the system while updating the BIOS to prevent system
boot failure!
3. Press <Tab> to switch to the Drive field.
4. Press the Up/Down arrow keys to find the USB flash disk that contains the latest BIOS,
and then press <Enter>.
5. Press <Tab> to switch to the Folder Info field.
6. Press the Up/Down arrow keys to find the BIOS file, and then press <Enter> to perform
the BIOS update process. Reboot the system when the update process is done.