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413 posts

Ultimate Geek
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Topic # 230788 13-Mar-2018 11:21
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Noob question, but i have never had to do this before.


When replacing the BIOS battery on the motherboard, do you then have to setup the BIOS again? or can you change the battery and keep the settings?


Have a PC at the other end of the country that has data on it i need and it has started detecting system battery is low, never had hardware long enough to have this kind of event happen.





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3292 posts

Uber Geek
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  Reply # 1973949 13-Mar-2018 13:28
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Generally you'll lose the settings, it will have the same effect as going into the bios and selecting "apply factory defaults". There are some exceptions to this, but it's afest to assume that is what the outcome will be.





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413 posts

Ultimate Geek
+1 received by user: 119

  Reply # 1978311 15-Mar-2018 20:49
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OK, thanks for that.  


Will plan accordingly for a change.

1952 posts

Uber Geek
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  Reply # 1978378 16-Mar-2018 07:30
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A bios battery going flat will not put your data at risk. ("Fixing" things could if you do something silly.)

Often the worst that happens is the system time is lost.
Sometimes it prevents booting due to incorrect settings.

The bios battery usually only gets used when there is no mains power connected to the machine.

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