2. Then, insert the usb flash drive to be started into the USB port of the notebook. If you want to install the system, the premise is that the system program in the U disk has been completed.
3. Then come to the keyboard interface. The top line is f 1-f 12. Look for f 10 inside. If you want to enter the bios, you need to press f 10 to enter. Start the notebook, and then press f 10 until you enter the bios interface.
4. Next, find the system setting options in the bios setting interface. Here is the third option, as shown in the figure:
5. Then find the startup option at the bottom of the system setup interface. There will be a small triangle in front of the startup option, indicating that this option will have sub-options. Select and press Enter.
6. Then a lot of setting options about startup options will pop up. There are two startup sequence options at the bottom. If you want to use uefi mode, you can choose this. Generally, the old notebook will be in the traditional mode. Select the option of U disk /usb hard disk, and then press f6 on the keyboard, where f6 means upward adjustment, and adjust the option to the first place.
7. After setting, press the shortcut key f 10 to save and exit. This is a common function button for all bios settings. Select Yes in the pop-up prompt window.
8. Then the computer will automatically restart and automatically start the USB flash drive. Select the system option in the USB flash drive in the startup interface, and then start the system all the way into the USB flash drive.