Question about Dell Latitude D810 PC Notebook

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Dell laptop battery has 3 lights flashing when hit battery tester

Dell laptop Latitude D810 battery has 3 lights flashing when press battery tester with battery removed. I am getting the 4 flashes of orange and then green when plugged in on the diagnostic screen. I suspect battery is going bad...but was wondering other than the obvious try full charging and fully draining the battery if anyone has tried anything else out that might get it to come back to life?

Thanks,

Dennis

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  • 1dberry96 Sep 10, 2009

    After draining battery in Windows command prompt mode doing DOS commands. I plugged back in and now it appears to be healthy again. I will have to see how long it stays healthy now. Might just be temporary, but battery and diagnostic screen appear to both be content with a healthy battery now. It is 4 years old so will have to see how much longer it lasts.But so far took a Full charge and all is good after fully draining.

  • 1dberry96 Sep 11, 2009

    After draining battery in Windows command prompt mode doing DOS commands. I plugged back in and now it appears to be healthy again. I will have to see how long it stays healthy now. Might just be temporary, but battery and diagnostic screen appear to both be content with a healthy battery now. It is 4 years old so will have to see how much longer it lasts.But so far took a Full charge and all is good after fully draining.

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You can't get the modern batteries to come back to life. Time to get a new one.
A suggestion: When using a laptop battery, run it on battery and discharge it until it shows about 2 to 3% charge left at least once a month. Do not keep charging it without letting it run down periodically. Most important--do not run always plugged in to line current.

Posted on Sep 09, 2009

Testimonial: "Thanks, that is a good tip. After a full charge to battery, I did a full discharge, started in command prompt mode, to drain battery with DOS. Now OK"

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