How does ASUS notebook computer enter USB flash drive startup mode?

1. First, press F2 to enter the BIOS interface. Note: After the UEFI BIOS model enters the BIOS homepage, please press F7 to enter the advanced settings page. As shown below:?

2. Enter the security menu through the arrow keys, and select the security startup control/menu through the arrow keys to set it as disabled. ?

3. Enter the startup menu through the arrow keys, and select CSM Support or? Start CSM and set it to enabled.

4. After the above two settings are completed, please press F 10 to save and exit. ?

5. Turn on the computer again, press the ESC key, and select Boot from USB device.