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Posts: 46
Member Since: ‎06-01-2010
Message 1 of 3 (1,992 Views)

Motherboard Battery Replacement

Can anyone tell me about how long the battery's last in the motherboard?

Should it be changed every so many years?

When changing do I loose my info?


Mr Steve2007
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Distinguished Professor
Posts: 2,580
Member Since: ‎11-17-2008
Message 2 of 3 (1,987 Views)

Re: Motherboard Battery Replacement

[ Edited ]

Here is a doc with the steps to replace.


The CMOS battery is basically a watch battery - should last a few years. You don't lose anything - you should only have to reset the time. If you change it every two years, then you avoid the minor headache of a startup message stating that the time and date is incorrect. I usually wait until this message starts appearing, then remove the battery (with the power cord disconnected) and I take it to the local department store and buy another of the exact same type.



I am an HP employee expressing my own opinion.
Please post rather than send me a message. It's good for the community and I might not be able to get back quickly. - Thank you.
Posts: 2,158
Member Since: ‎11-17-2008
Message 3 of 3 (1,984 Views)

Re: Motherboard Battery Replacement

Hi mrsteve2007,


I don't know if there is a common time frame for how long the batteries last in motherboards. I have never needed to replace the battery in any of my PCs and a couple of them are 5-10yrs old.  Replacing the battery will cause the BIOS to go back to default settings, so it will lose any BIOS configurations you may have changed, but it won't delete any info from the hard drive, like your personal files and such. HP employee just trying to help where I can, but not speaking on behalf of HP.
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