The first method: continuously click F 10 or press and hold Fn to continuously click F 10 when starting.

The second method: press the ESC key to bring up the ESC start menu immediately when booting, and then press the F 10 key to enter the BIOS.

The third method:

① Start-Power Supply-Hold down the shift key, click Restart until you enter the advanced startup item, and release the shfit key ② Troubleshooting the advanced startup item.

③ Click "Advanced Options".

④ Click "UEFI Firmware" and the computer will automatically restart and enter the BIOS menu.