CMOS

[Eric Harrison]

Windows XP Home announces a CMOS checksum error when I boot up, tells me
that defaults are loaded and to press F1. This gets me on OK but how can I
stop all this and why is it?

 

[db]

The computer uses the CMOS checksum to determine whether any CMOS values have been changed other than by using the CMOS setup program. If the checksum is not correct, the computer cannot start.

After the CMOS is correctly configured, any CMOS problem is usually caused by one of the following situations:

. A weak battery, which can happen when the computer has been turned off for a long time

. A loose or faulty connection between the CMOS and the battery

. A damaged CMOS caused by static electric discharge

http://www.Microsoft.com/TechNet/prodtechnol/winxppro/reskit/c28621675.mspx



- db



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Windows XP Home announces a CMOS checksum error when I boot up, tells me
that defaults are loaded and to press F1. This gets me on OK but how can I
stop all this and why is it?

 

[Patrick Keenan]

Windows XP Home announces a CMOS checksum error when I boot up, tells me
that defaults are loaded and to press F1. This gets me on OK but how can
I stop all this and why is it?

It's actually the computer itself, not Windows, telling you this. The usual
cause is that the system battery is dead and needs replacing. Check the
manual for your system. The batteries are inexpensive and are available in
many places, but of course it's important to know what battery is in use.
If you don't have the manual, shut down, open the case, and you'll see the
battery, about the size of a nickel or quarter. Read its label, get a new
one, put it in, close the case, you're done. You will get one more message
as the system adjusts to the new battery.

HTH
-pk