System Utilities 2-15DOS Flash Utility 0Perform the following to use the DOS Flash Utility:1. Press F2 during boot to enter Setup Menu.2. Select Boot Menu to modify boot priority order.Example: If using USB HDD to Update BIOS, move USB HDD to position 1.Figure 2-12. BIOS Boot3. Copy ZE6_018.exe to a bootable USB HDD.4. Insert the USB HDD and reboot computer.5. Execute ZE6_018.exe to update BIOS. Flash process begins as shown in Figure 2-13.6. Flash is complete when the message, Flash Programming Complete is shown.System will restart automatically when finished.NOTE:NOTE:If AC power is not connected, the following message is shown (Figure 2-13). Plugin the AC power to continue.Figure 2-13. AC Power Warning