Have you tried pulling the battery out? I have done that before to clear the CMOS... Frank B Smith >I'am putting together a computer from old spare parts for my son.When I >booted it up I got a "CMOS CHECKSUM ERROR", Press F-2 To Enter Setup.When I >press F-2, nothing happens. It won't let me into setup. How can I fix the >checksum error if it won't let me into setup? I tried to clear the CMOS >Settings with the Clear CMOS Jumper but when I turned it back on I got the >same message. >Any help will be greatly appreciated. > >Bill M. Smith >[log in to unmask] >[log in to unmask] >[log in to unmask] >http://wwp.mirabilis.com/9800687