Asus H81M-CT - Booting to DOS for BIOS Updates

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Chapter 2: Getting started
Booting the system to a DOS environment
1. Insert the DOS‑bootable USB ash drive with the latest BIOS le 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:
1. At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
2. The BIOS Updater screen appears as below.
0803
H81MCT.CAP 8390656 2015-04-24 15:25:48
03/30/2015
H81M-CT
ASUSTek BIOS Updater for DOS V1.30