Having problems with your Dell Inspiron 6400 Notebook ?

Dc jack broke. tech guy replaced but now none of my 3 power bricks will charge the battery. they all give power to run laptop but do not charge battery. when boot up get error message saying I connected an unrecognized power device (or something like that). Is it possible there are different DC jacks for these laptops which may have changed with different dates of manufacture? My other laptop is a Dell Vostro and unbelievably that power brick will charge my Dell Inspiron 6400 laptop. That is wha

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Answers :

It is possible that it could be a bad solder joint.\015\012It could also be that the connector is a different one.\015\012Some laptops use a dual voltage power structure.\015\012On the Inspiron E1505 (same as the 6400) I have it requires the dual voltage power. This is where the outside of the plug is the ground and the inside of the plug is one voltage and the center pin is yet another voltage. \015\012In this case, (if I remember correctly) the inside of the plug is like 19.5 volts and the center pin is like 9 volts. The inside of the plug supplies the power to the laptop and charging circuit and the center pin tells the laptop that the power adapter is plugged in and should start charging.\015\012If the laptop recognizes the Vostro power supply then this is a good possibility. Either way, it is worth getting it checked out. The last thing you want to do is burn out the charge circuit on the motherboard by having the incorrect power supply plugged in to it. It may work for a while or it may work forever but you never know.
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