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Booting the system to a DOS environment
1.
Insert the DOS-bootable USB flash drive with the latest BIOS file and BIOS Updater to your
computer's USB port.
2.
Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS Boot
Device Select Menu.
3.
Select the optical drive as the boot device. The DOS screen appears.
Updating the BIOS file
To update the BIOS file using BIOS Updater:
At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
1.
2.
The BIOS Updater screen appears as below.
2-4
ASUSTek BIOS Updater for DOS V1.30
H81M-C R2.0
0705
06/08/2013
H81M-C-R2.CAP 8390656 2012-02-01 15:25:48
Chapter 2: BIOS information
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