As soon as you power on the BIOS will start looking for attached drives - if it cant find any it will prompt you to insert a boot disk. just before this pressing F1 or DEL (depending on mobo) will get you into BIOS
As soon as you power on the BIOS will start looking for attached drives - if it cant find any it will prompt you to insert a boot disk. just before this pressing F1 or DEL (depending on mobo) will get you into BIOS