help BIOS CMOS

  mickylove 20:05 13 Jan 2006
Locked

just updated my bios and have this message
CMOS CHECK SUM ERROR
i have taken out the batery and cleard the cmos but still have this message
HELP!!!!!!!!!!

  woodchip 20:11 13 Jan 2006

Looks like you need a new battery or the update as not gone to plan

  woodchip 20:12 13 Jan 2006

PS did you save the old BIOS when it asked? if so reload it

  Forum Editor 20:16 13 Jan 2006

the new BIOS will probably use more ROM than the previous version. The difference in the BIOS image file byte count is detected by the system as a checksum error.

Try this:

Enter the BIOS by pressing the delete key as the computer boots. Once in the BIOS configuration dialogue, go through the various settings, but DON'T CHANGE ANYTHING.

Then, save and exit. This will cause the BIOS to generate a new checksum and write it to the CMOS. Shut down the computer and restart. With luck the system will generate a checksum, compare it with the one that was written to the CMOS and find them the same.

There's no guarantee, but try it.

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