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 ...

The basic input/output system manages the operation of hardware in the HP Compaq dc7800. The PC allows users to make changes to the BIOS to alter how the computer and ...

If you've locked yourself out of your Compaq Presario by an unknown CMOS password, you can reset the password -- along with all other CMOS settings -- by removing the computer's backup battery for ...

You can easily reset CMOS using the BIOS Menu. We are going to change all the BIOS settings to default in order to reset CMOS. Restart your computer and boot into BIOS. When your computer starts, a ...