After entering the BIOS configuration, there are two kinds of BIOS screen which are UEFI mode and Legacy mode, please refer to the following steps in order.īoot the system from USB flash drive/CD-ROM in BIOS - UEFI mode.

Note: If your PC cannot enter the boot menu by using hotkey Esc, please try Enter boot menu through BIOS configuration.Įnter boot menu through BIOS configurationīefore booting the system from a USB flash drive or CD-ROM, please let your computer enters the BIOS configuration first, here you can learn more about How to enter BIOS configuration. Select USB flash drive/CD-ROM that you want to use, then press Enter key to boot the system from USB flash drive/CD-ROM.While the computer isn’t powered on yet, press and hold the key of the keyboard, and then press the (Do not release key until the BIOS configuration display.).Enter boot menu through BIOS configuration.

To provide you more detailed instruction, you can also click ASUS Youtube video link below to know more about How to boot the system from USB flash drive/CD-ROMĪSUS products provide two methods for choosing a boot device: How to boot the system from USB flash drive/CD-ROM

Boot manager pc