Depends on model laptop. Usually, F2 or DEL. On startup, is there anything that flashes on screen during POST for setup ot Boot menu. What model laptop do you have? It could be that Ultra Fast boot/UEFI boot is on and preventing UEFI access.
Depends on model laptop. Usually, F2 or DEL. On startup, is there anything that flashes on screen during POST for setup ot Boot menu. What model laptop do you have? It could be that Ultra Fast boot/UEFI boot is on and preventing UEFI access.