Having problems with your HP Pavilion dv4000 Notebook ?

My laptop charger is not working period but its not the charger its the computer

Answers :

The contact on the mother board where your charger plugs in may have disconected from the mother board..Darren
\015\012I have seen this happen many of times..
Elaborate a little more on why you don't think it is the charger? Did you test the voltage at the tip or did you test the charger on another HP device that needs 19 volts to run properly? Just remember a laptop can run with less wattage but not less voltage. I will tell you though that DV4000's are known to have power jack issues and that the jack is soldered directly onto the motherboard. They are not easy to replace because of the amount of "legs" they use to attach to the motherboard. Because of this there are issues with broken solder points on one or more of the legs. Sometimes these can be resoldered instead of having to try and remove the jack. Just heat up the solder and let it flow back over the joint and hopefully that make contact. The other issue with their jack is the solder point at the center pin breaks and the tension band inside the housing tends to lose its tension and will no longer hold the charger plug in place. Last but not least, the power circuit on the motherboard itself has been unreliable at best, if that fails, just replace the motherboard. Good luck to you.
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