How do all brands of laptops enter the BIOS?

IBM[/COLOR] (different models, different entry methods) THINKPAD 315ED Series[/COLOR] When booting to see the THINKPAD logo, press the F2 key quickly.

THINKPAD 365X/XD Series, 380 Series, 560 Series, 600 Series, 755 Series, 760 Series, 765 Series, 770 Series [/COLOR] Hold down the F1 key while booting until EASY SETUP appears on the screen Until the screen.

THINKEPAD 240 Series, 390 Series, 570 Series, I Series 1200, I Series 1400, A Series, T Series, X Series, R Series [/COLOR] When the THINKPAD logo is turned on, press the F1 key quickly. You can enter the BIOS. )

HP[/COLOR] (F2 when starting and restarting)

SONY[/COLOR] (F2 when starting and restarting)

Dell[/COLOR] (F2 when starting and restarting) /DELL Japan (F1 or Fn+F1/F2)

Acer[/COLOR] (F2 when starting and restarting)

Toshiba [/COLOR] (press ESC and press F1 during cold boot)

Compaq[/COLOR] (P10 when booting to the upper right corner, flashing cursor, or press F10 when booting)

Fujitsu[/COLOR] (F2 when starting and restarting)

NEC[/COLOR] (Press F2 when starting and restarting, press → as prompted)

The vast majority of domestic and Taiwan brand [/COLOR] (press F2 when starting and restarting)