When you start your system, first, it performs the checksum test of the BIOS. If the checksum test is incorrect, it is assumed that the BIOS is corrupt and the hidden ...
You can reset your PC's BIOS settings to their factory defaults by selecting the Restore Defaults option within BIOS or by removing the CMOS battery from an unplugged computer for about five minutes.
When a computer powers on, it configures its hardware components prior to loading the operating system. The settings it needs to configure the hardware make up the computer's Basic Input Output System ...