setup nvidia for hp pavilion gaming 15

1. Reboot
2. F10 enter BIOS
3. System Configureation -> power -> Security Boot
4. disable 
5. Follow the screen message, enter 4-digit then press enter
6. boot into ubuntu
7. sudo apt purge nvidia* 
8. sudo apt update
9. sudo apt-add-repository ppa:graphics-drivers/ppa
10. Run 額外驅動程式，click Nvidia-430
11. Reboot