Then F1 or F12 can be pressed successfully during startup. This will make the PC perform a full shutdown instead of a hybrid shutdown.
In this case you can't enter BIOS in method above, thus you can try to get the 'Press F2 to Enter the BIOS' prompt on the bottom left on the screen in following ways: This is a case that you can't boot into your PC such as you forgot Windows login password.
Part 2: How To Get the 'Press F1 to Enter the BIOS' Prompt on the Bottom Left on the Screen
