I also don't know if your problem is similar to the one I had mentioned in my previous comment.http://www.batterylaptoppower.com/dell/latitude-d620.htm
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I also don't know if your problem is similar to the one I had mentioned in my previous comment.http:// www.batterylapt oppower. com/dell/ latitude- d620.htm
I hope someone will be able to help you fix your problem.http:// www.batterylapt oppower. com/dell/ inspiron- 1720.htm