Asus Z87A Computer Hardware User Manual


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ASUS Z87-A
2.1.4 ASUS BIOS Updater
The ASUS BIOS Updater allows you to update BIOS in DOS environment. This utility also

gets corrupted during the updating process.
The succeeding utility screens are for reference only. The actual utility screen displays may
not be same as shown.
Before updating BIOS
 
single partition.
 
http://support.asus.com
 

 
3. Turn off the computer and disconnect all SATA hard disk drives (optional).
Booting the system in DOS environment
 
2. Boot your computer. When the ASUS Logo
appears, press <F8> to show the BIOS Boot
Device Select Menu. Insert the support DVD into
the optical drive and select the optical drive as the
boot device.
Welcome to FreeDOS (http://www.freedos.org)!
C:\>d:
D:\>
3. When the Make Disk menu appears, select the FreeDOS command prompt item by
pressing the item number.
4. At the FreeDOS prompt, type d: and press <Enter> to switch the disk from Drive C

Please select boot device:
SATA: XXXXXXXXXXXXXXXX
USB XXXXXXXXXXXXXXXXX
UEFI: XXXXXXXXXXXXXXXX
Enter Setup
↑and ↓ to move selection
ENTER to select boot device
ESC to boot using defaults
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