Ao Bai bios sets USB flash drive to boot.

1. Press the restart key, and press F 12 repeatedly during the restart process to pop up the "Start Device Menu Window", insert the usbkey, and press enter to enter the USB startup mode.

2. In the boot device menu window, select "ENTERSetup" to set the BIOS.

3. After entering the BIOS interface, select the startup option.

4. Select the PrimaryRootSequence master boot sequence.

5. Set the usbkey to the first one, and some computers can use USB BHDD.

6. Switch to the exit interface, and select the savechangesandexit item, or press F 10 to save and exit.