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Old 11-06-2007, 10:43 PM
freedda freedda is offline
 
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Default symptoms of coin-cell battery working or not?

I'm wondering about the coin cell battery in my laptop that I believe runs the BIOS. What would be the signs that this battery is dead or not working properly?

On my laptop this is accessed from bottom in same compartment as one of the DIMM slots. The battery has a metal strip lying across the top that I thought was to remove it but I instead pulled out this metal strip. I've tried to shove it back into the slot I think it came out of, but I'm not sure if I've messed it up or not, and was it grounding it or serving as contact for positive poll on the battery?

Best, David.
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Old 11-06-2007, 11:57 PM
focuz focuz is offline
 
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Most computers will come right out and tell you the battery is low so you don't have to worry about it. As long as your settings in bios are getting saved then your battery should be fine.
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Old 11-07-2007, 12:13 AM
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Bryce W Bryce W is offline
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Its inability to keep time is a good way to test. The BIOS battery keeps the computers time even when the computer is turned off, kind of like a watch battery.

A good test is to unplug the power (and battery if its a laptop), leave it for a couple of minutes and see if the time changed.
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Old 11-07-2007, 12:20 AM
breadtrk breadtrk is offline
 
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The part you pulled out was probably the negative strap for the battery. You may have just killed that laptop unless you are very handy with a soldering iron.

good luck.
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  #5  
Old 11-07-2007, 02:38 AM
freedda freedda is offline
 
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Default checking the battery

I've had the computer unplugged for a while. I'll turn it back on and see if the time has changed.

Best, David.
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