Question about HP Pavilion dv9000z Notebook

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Won't recognize battery charger

HP DV9640us won't recognize the battery charger, it has the blue light on the side but no charge light on front. It blinks three times when hold the power sw down with the battery in but doesn't do anything when I pull the battery out!

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  • 45 Answers

The battery might need to be replaced.  If it works plugged in, but is not charging....it is simply not holding the charge.  I know it seems strange that when it is plugged in without the battery it will not work, but that sometimes is the case.  

Posted on May 10, 2009

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Posted on Jan 02, 2017

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