How do you access cmos on a compaq computer?

To access the CMOS on a Compaq computer, restart the system and during the boot process, press the appropriate key (usually F10, F2, or Esc) when prompted to enter the BiOS setup. Once in the BiOS menu, you can navigate through the options using the arrow keys to view and modify the CMOS settings. After making any desired changes, be sure to save and exit the BiOS to apply them.