Share via

At start up I get"0251: System CMOS checksum bad- default configuration used." How do I remedy this?

Anonymous
2012-03-12T18:34:49+00:00

At start up I get " 0251; System CMOS checksum bad-- default configuration used" and I have to reset the date and time. How can I remedy this?

Windows for home | Previous Windows versions | Windows update

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments

Answer accepted by question author

  1. Anonymous
    2012-03-12T20:14:53+00:00

    Sounds like your bios cmos battery may be failing.

    How you replace it depends on your PC make/model

    8 people found this answer helpful.
    0 comments

Answer accepted by question author

  1. Anonymous
    2012-06-19T12:30:22+00:00

    At start up I get"0251: System CMOS checksum bad- default configuration used." How do I remedy this?

    3 people found this answer helpful.
    0 comments

1 additional answer

Sort by: Most helpful
Most helpful Newest Oldest
  1. Anonymous
    2016-08-21T07:22:01+00:00

    HOW about just replaced battery, get  cmos checksum bad and need reset date?

    0 comments