3.Press <Tab> to switch between screen fields and use the <Up/Down/Home/End> keys to select the BIOS file and press <Enter>. BIOS Updater checks the selected BIOS file and prompts you to confirm BIOS update.

4.Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater. Restart your computer.

DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure!

• For BIOS Updater version 1.30 or later, the utility automatically exits to the DOS prompt after updating BIOS.

•Ensure to load the BIOS default settings to ensure system compatibility and stability.

Select the Load Optimized Defaults item under the Exit menu.

•Ensure to connect all SATA hard disk drives after updating the BIOS file if you have disconnected them.

2.2BIOS setup program

Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program.

Entering BIOS Setup at startup

To enter BIOS Setup at startup:

•Press <Delete> during the Power-On Self Test (POST). If you do not press <Delete>, POST continues with its routines.

Entering BIOS Setup after POST

To enter BIOS Setup after POST:

•Press <Ctrl>+<Alt>+<Del> simultaneously.

•Press the reset button on the system chassis.

•Press the power button to turn the system off then back on. Do this option only if you failed to enter BIOS Setup using the first two options.

ASUS A55BM-A/USB3

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