[Solved] CMOS checksum bad time/date set error

[akerror]

starting the Computer
computer is showing (CMOS checksum error- press F1 or Del button to continue....)
if Press Del button
found CMOS Setup
and in advance option
date and time 00/00/00
if Press F1 button
computer is start normal y but
window is showing date and time is default (12:00:01 01/01/2001)

 

[clarkjd]

After pressing the DEL button, change the date & time to the correct values, then save & exit (usually F10 ) then reboot. If you get the same message, then probably your CMOS battery needs to be replaced as it is not keeping the CMOS updates.