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Motherboard batery need replacement. Where is located?

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on most motherboards the CMOS battery is a small silver disc no larger than the size of a U.S quarter dollar coin (actually a little bit smaller).
The battery is typically mounted in a slide in holder. Simply slide out the battery when the computer is shut down and then replace it ensuring you match the battery polarity when you put it back in. For eg if the flat battery has the positive side facing up (indicated by a + symbol) make sure the replacement goes in the same way.
These flat disc-like batteries are quite similar to the batteries found in some larger watches and are easy to buy at most computer shops or electronic shops. Most batteries fitted in motherboards start with the letters CR and are followed by 4 numbers. eg CR2016. The number is clearly visible on the battery. You might have to buy an equivalent if you can get an exact match. If you need some more help just ask me.
Thanks, Steve
PS Please vote for my answer or add a testimonial if I have helped you.

Posted on Sep 16, 2010


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