ASUS PRIME Z270-A/AR Series BIOS Manual5• The BIOS setup screens shown in this section are for reference purposes only, andmay not exactly match what you see on your screen.• Ensure that a USB mouse is connected to your motherboard if you want to use themouse to control the BIOS setup program.• If the system becomes unstable after changing any BIOS setting, load the defaultsettings to ensure system compatibility and stability. Select the Load OptimizedDefaults item under the Exit menu or press hotkey . See section 1.10 Exitmenu for details.• If the system fails to boot after changing any BIOS setting, try to clear the CMOS andreset the motherboard to the default value. See section 1.1.7 Jumpers in your usermanual for information on how to erase the RTC RAM.• The BIOS setup program does not support Bluetooth devices.BIOS menu screenThe BIOS Setup program can be used under two modes: EZ Mode and Advanced Mode.You can change modes from Setup Mode in Boot menu or by pressing the hotkey.1.2 BIOS setup programUse the BIOS Setup to update the BIOS or configure its parameters. The BIOS screeninclude navigation keys and brief onscreen help to guide you in using the BIOS Setupprogram.Entering BIOS at startupTo enter BIOS Setup at startup, press or during the Power-On Self Test(POST). If you do not press or , POST continues with its routines.Entering BIOS Setup after POSTTo enter BIOS Setup after POST:• Press ++ 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 youfailed to enter BIOS Setup using the first two options.After doing either of the three options, press key to enter BIOS. |
