1, first insert the USB flash drive into the computer, and then press the DEL key on the keyboard when the fold startup information interface above appears, and directly enter the BIOS:
2. After entering, press the right arrow key on the keyboard to find the "Advanced" option. The bottom item is "USB configuration". Use the up and down arrow keys to select it, and then press enter to enter:
3. After entering USB Configuration, change all items to Enabled, press the up and down arrow keys to select them, and then press Enter to change from Disabled to Enabled.
4. After setting, press the ESC key on the keyboard to return to the previous setting interface. Press the left and right arrow keys again, select the "BOOT" main menu, select the first item "Boot Devicepriority" and press enter to enter:
5. Then select the first item "1st Boot Device" in the "Boot Devicepriority" setting interface and press enter. Then select the first item "Movable" in the pop-up "1st boot device" option:
6. Next, press the ESC Cancel key to return to the previous setting interface, press the up and down arrow keys, select the "Removable Drive" item in the second line, and press the Enter key to enter:
7. After entering the options interface, at least two items will appear, one of which is the USB flash drive just inserted. Press the plus sign+on the keyboard to put it at the top:
8. Then directly press F 10 on the keyboard to save the settings and exit. You can boot from the USB flash drive immediately: