Read your user's manual to determine the correct key to press to enter the BIOS. For example, if you are reinstalling a fresh copy of Windows XP, you might need to instruct the BIOS to boot from the installation CD first, before initiating the hard drive. In this menu, you can change the hardware device that the PC uses to boot the operating system.
Press the 'F1,' 'F2' or another specified key to enter the Basic Input Output System (BIOS) setup menu.Press the 'F8' key on the keyboard after pressing the power button to turn on the PC, if you want to access system startup recovery options, including 'Safe Mode' and 'Last Known Good Configuration.'.Click to remove or add check marks next to programs. Alternately, click the 'Startup' tab in the System Configuration Utility dialog box to see a complete list of installed programs and services that start up alongside the Windows operating system components.