Most likely the CMOS button battery on. About $2 at any drug store. Most
are CR2032 battery type. They last a couple of year and then die. Easy
swap but you have to open case and pop the release spring with your finger.
Most are fairly accessible. If you can reach the release with a finger use
a chopstick to pop the old battery out.
Answered in another newsgroup. Please do not send the same message
separately to more than one newsgroup (called multiposting). Doing so
just fragments the thread, so someone who answers in one newsgroup
doesn't get to see answers from others in another newsgroup. And for
those who read all the newsgroups the message is multiposted to, they
see the message multiple times instead of once (they would see it only
once if you correctly crossposted instead). This wastes everyone's
time, and gets you poorer help than you should get.
If you must send the same message to more than one newsgroup, please
do so by crossposting (but only to a *few* related newsgroups).
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