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Dumb mistake -- and something you all can suggest in response to this problem in the future.<br />
<br />
I missed pulling off of the negative side of the button cell a plastic strip cautioning not to swallow it.
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good news : at least you did not swallow it
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<div class="content wysiwyg-content">
PC time still reverts to 1/1/2007 after new CMOS battery installed.<br />
<br />
Any suggestions?
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PC time still reverts to 1/1/2007 after new CMOS battery installed.

Any suggestions?

PC time still reverts to 1/1/2007 after new CMOS battery installed

A personal computer is a general-purpose computer whose size, capabilities and price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer time-sharing models that allowed systems to be used by many people, usually at the same time. Personal computers may be connected to a local area network (LAN), either by a cable or a wireless connection, and through that to the Internet. A personal computer may be a laptop computer or a desktop computer running an operating system such as Windows, Linux or Macintosh OS.