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How do I know when my mobo battery is dead?

andynerd

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Jul 29, 2008
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365
I came a cross a post that was mentioning the symptoms of a dead motherboard battery and someone said there's wouldn't even post. So I tested my batter with an amp meter while it was under a load and it said 3 mA DC that seems a bit low so could there be a chance it is dead? Are there any other says of testing it?
 

Chris

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Dec 11, 2008
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598
Location
Toronto
Goto to your bios and see what it says. The mobo battery should be 3.0 volts (not 3 mA).
 

gingerbee

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Jan 22, 2009
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Location
Orillia, Ontario
turn off computer . unplug it for a min or two then plug in and start if the time needs to be reset then your battery dead.
 

andynerd

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Jul 29, 2008
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365
Goto to your bios and see what it says. The mobo battery should be 3.0 volts (not 3 mA).
Like i said the computer doesn't post it doesn't even turn on it just lights up when connected to power. And 3.0v is constant even if the battery is almost dead what shows the amount of energy left in the battery is the amps or in this case milliamps. I will probably just replace the battery anyway but i was curious to know.
 

andynerd

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Jul 29, 2008
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Actually do i even have to use the CR2032 3v cell battery or could i use any 3v?
 

jay51

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Apr 28, 2008
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Mission
Like i said the computer doesn't post it doesn't even turn on it just lights up when connected to power. And 3.0v is constant even if the battery is almost dead what shows the amount of energy left in the battery is the amps or in this case milliamps. I will probably just replace the battery anyway but i was curious to know.
i would guess its more than battery if it wont POST.
i ran boards with dead baterry before.bios just wont save any settings/time
 

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