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New Battery Old Problem

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2 replies to this topic

#1 kimberlylarae2


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Posted 21 November 2017 - 01:47 PM

My HP laptop was plugged in but the laptop didn't know it was plugged in--it was using the battery instead until the battery drained. It shut down and wouldn't start back up. I replaced the battery, it's the same as the original. I put the new battery in and it started back up but otherwise it doesn't know there's a new battery in it. It says the battery in very low and was about to shut down again so I shut it down. I thought that if I got a new battery I could get back on and bring up the system properties, find out just what model it is, and order the proper power jack to replace and the laptop would be fixed.  The battery was so low (it said) that I didn't have time to even bring up the system properties and get the information. Now I have to wonder if the power jack is the problem. What should I do?

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#2 Chris Cosgrove

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Posted 21 November 2017 - 07:18 PM

Have you checked to see if the charger itself is working, ie outputting any voltage ?  Use a digital multi-meter and hold the common or 0V probe to the outer rim of the connector at  the end of its lead and probe inside with the +V probe. You should find a voltage within +/- 1V of 19.5V.


You use the expression 'power jack'. If by this you mean the internal connection on the mobo these are generally not easy to replace, difficult to source and usually require a complete dismantling of the laptop. However the model number of the laptop would be your starting point. This should be somewhere on the underside of your laptop, it may be on a sticker inside the battery compartment. This will also give you the information you need to get a replacement if you determine that the charger has failed.


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#3 Guest_Joe C_*

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Posted 21 November 2017 - 08:42 PM

Many laptops and especially the newer ones use a power port that plugs into the motherboard, if your laptop power port is not soldered on the motherboard then this should be fixed for a reasonable price or you may want to do this yourself. You can get the power port on Amazon or Ebay, and there's always a you tube on how to do it yourself


Post your entire model and serial number so someone can check the specs of the power port

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