Question about HP Pavilion dv7-1130us laptop

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I have a hp dv7 laptop it does not work with the ac adapter but worked with the battery whenever it is working with the battery and the ac adapter is connected it shuts down.

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You most likely have a short in the AC adapter and I would replace it right away. I have had my dv 7 for a little over a year and had to replace mine 3 times so far.

Posted on May 24, 2010

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Hello. There is a hardware failure with the laptop not the AC charger. AC chargers have some range of protections of their own. If the power requirements of the laptop are bigger then what the charger can handle, the charger will turn off. Also other parameters can bring the charger offline. In your case, you have a problem with a small chip, the battery charge controller unit, which regulates the amount of current required to propperly charge the battery. When this thing fails, the charging requirements for the battery are reported rong and the AC charger is forced to give more power then necesary. This results in disconnection of the AC charger ( an internal fail safe of the
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Replacement HP Pavilion DV7 Smart AC Adapter 90Watt 19V 4.74A

Nov 25, 2012 | HP Pavilion dv7-1130us laptop

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I need to buy a adaptor/charger that will work for my laptop. The model # is dv7-1247cl laptop. Thank you Randall Miles rmiles04@charter.net


here the specs for your charger: 65Watts/input:100-240 volts 1.6amperes/output:18.5 volts just make sure the pin will fit the laptops female socket.

Jul 12, 2011 | HQRP 90W Laptop AC Adapter / Charger...

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My laptop will not charge when the charger is plugged in. I tried removing the battery and turning it on while it was plugged in. Is my computer messed up or is it just the charger. Also my warranty has...


Your laptop still not charge even with the battery removed?
I guess you need a new adapter. Or you can test with a known working adapter first.
Specification of HP pavilion DV7 charger:
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DC Connecter (Barrel) size:
Internal Diameter: 5.0mm
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With central smart-pin inside

Reference: http://www.chargerbuy.com/replacement-hp-pavilion-dv7-ac-adapter-19v-4-74a.html

Feb 16, 2011 | HEWLETT-PACKARD Hewlett Packard Pavilion...

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I have an HP DV7-1245DX laptop. The display goes black whenever you are working on it with the battery charging. The backlight goes out after about 20 minutes and you have to unplug the adapter and close...


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Dec 28, 2010 | HP Pavilion dv7-1245dx Notebook

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HP dv7 simply stopped turning on. worked great


What you would want to try is to remove the battery and see if pluging in the power cord will power the laptop alone. All laptops have this capability and this shouldnt be an issue.

But by testing this and seeing if it DOESN'T work then that means there could be one of two things. Your AC power adapter is defective and should be replaced with one that is compatible with your system or that your connection jack is either loose on the inside or broken completely.

However I would stick with trying the cord first before trying to resoder the joint inside the system. I'd leave that to a pro, going back to the battery if you leave it out for a day that should give it plenty of time to discharge any energy it may have in it and you can plug it back into the laptop to try and charge it again either with the same AC power adapter or a new one. If the battery wont hold a charge and you know it isn't because the jack is loose or the AC power adapter isnt defective then you now know you need to replace the battery. You can google compatible batteries and power adapters online or search specific places like Newegg.com or Amazon.

Hope this gives you a better understanding of what may need to be done to fix this!!

check me out at http://ctrlr4repair.webs.com

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2 Answers

I have a HP dv7 laptop it does not work with the ac adapter but worked with the battery, whenever it is working with the battery and the ac adapter is connected it shuts down.


Remove the battery and plug the ac adaptor in check wethere the light on the port where you connect the ac adaptor glows or not, if no then check the wethere the ac adaptor is getting warm or not after you plug it in for few minutes if not then ac adaptor has to be replaced.
If the light on the port is glowing then it is likely that the power supply of the notebook has gone bad as it is not able to switch to ac adaptor or the port where you connect the ac adaptor to the notebook has a short circut when the acadaptor pin is connected , better try with a different ac adaptor to be sure wethere the issue is with ac adaptor or the notebook.
My best wishes

Mar 19, 2010 | HP Pavilion dv7-1130us laptop

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