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Checksum error on boot up

Ian Smith

FPCH New Member
Oct 2, 2006
Each time I boot the computer it shows a checksum error and stops. I press F1 to load the defaults and all is ok except that I have to set the time and date each time. I have no idea why the system is doing this and would like some help in trying to correct this.


Jan 22, 2003
USA, Nebraska
PC Experience
Very Experienced
Hi Ian Smith;

The most likely cause is a bad CMOS battery. Cheap to buy and easy to replace.

There are a couple other possibilities but I would try that first;