1. Enter the BIOS setup interface
Connect the created mobile system to the computer via USB and press a specific hot key to enter the BIOS when starting up. Different types of computers have different keys to enter the BIOS setup program. Some models can be given on the screen when starting up. Hotkey prompt (generally in the lower right corner or lower left corner), the hotkey for most computer hosts to enter the BIOS is del or F2 key, if you see no prompt on the startup interface, you can refer to the following table.
2. Set USB mobile system startup items
Step 1: After entering the BIOS settings, you can see the key tips at the bottom of the screen. Here we only need to pay attention to 4 key tips: the arrow keys on the keyboard can be used to move the cursor, and +/- on the keyboard can realize the option position The move, enter key means confirmation, F10 or F4 means save and exit.
Step 2: Use the right arrow key to move to "boot", and then use the up and down arrow keys to move the cursor to the U disk option "Removable Devices" (removable device meaning), some computers are displayed starting with USB.
Step 3: Use the "+" key to adjust the option "Removable Devices" to the first position, then press "F10" to select "YES" in the pop-up box to save and exit.