Question about HP Pavilion zd8000 Notebook

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The lights on my Pavillion 8000 all come on when it is plugged in

With the exception of the power light. However, it appears that it is not recieving enough power to even boot the laptop up. When I unplug the ac adapter all light go off. When I got the laptop the battery would not hold a charge. So, before I spend a lot of money on replacement parts I would like to narrow it down. Any help would be great!

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  • jdorigat Dec 28, 2008

    Yes, it is out of warranty.



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I checked and reviews on your machine are mostly from 2006 so warranty is probably not a consideration any more.
If you are in the US, you can buy a digital multimeter for <$20 at auto parts stores, Radio Shack and others. If you are in the are where Harbor Freight stores are located, I have bought a few serviceable little meters for $3. These aren't precision instruments but they are very nearly as good as those I have that cost far more.  They come with somewhat intelligible Chinglish instructions and with it, you can learn a couple of things about your problem.
If the charger is plugged into AC, you can check to see if any voltage is available at the computer end of the cable. If it is rated at (for example) 12 volts, you could find anything from 13 to over 20 volts and this would mean the charger can do something.
Your battery pack could have 2 to 4 contacts on it on the end that plugs into the computer. With the meter set to 20 volts DC, you can check between all of the connections, two at a time, and if (again, an example) it is rated at 12 VDC, you should see at least that amount and it could be 13-14 volts depending on the kind of cells it uses.
I would do this test after sadly watching the LEDs all fade away since this means the battery is pretty much exhausted. A 12 volt pack removed after this will probably show several volts and climb while you watch it but that only means it is sick, sick, sick. If you find no two points that show some kind of voltage, an internal thermal fuse may have blown and if you aren't a techie, you will probably need a new pack.        
So for a few dollars, you can gain knowledge as to what it is you really need; a battery pack or a charger.

Posted on Dec 28, 2008

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Is this an old laptop? If it's relatively new, I'd say send it back under the warranty and avoid the aggravation.

Posted on Dec 28, 2008


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