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HP Pavilion DV7 AC Adapter safety information

If you've confirmed with a known good voltmeter set to the right scale that the DC connector on the transformer isn't putting out any voltage, you have nothing to lose by unplugging the HP Pavilion DV7 AC Adapter(http://www.usadapter.com/Laptop-HP-Adapter/HP-Pavilion-DV7-AC-Adapter.html ) and cutting off the DC connector six inches or so before the jack end. Strip the end of the DC output cord still attached to the laptop AC adapter, make sure the ends are separated when you plug the HP Pavilion DV7 AC Adapter back into the power jack, and check for DC voltage across the exposed ends.
If there is no voltage, it's time to buy a new HP Pavilion DV7 AC Adapter. If the proper voltage is present, you'll need to buy a new connector solder it onto the cord or make up a new connector with two leads and splice it onto the power cord. You can order the HP Pavilion DV7 AC Adapter connector ends online if you know exactly the size you need (may be shown in the manual for your laptop if you have it available or can find it online) but you can also bring the cut-off connector to a Radio Shack or electronics store and match it by eye.
My HP Pavilion DV7 AC Adapter has been damaged.It was rated 18.5V and 3.5 AMP, 65W. I came across a replacement laptop ac adapter that is 19V and 4.74A, 90W. It fits and it works, but now am scared I might be slowly degrading my laptop battery or laptop using it.Does it is safe to use like this HP Pavilion DV7 AC Adapter? Some asked.
Look at Voltage and Amperage. In other words, the brick should be the right voltage, and it should be putting out the right wattage total. Volts x Amps = Watts.Under powering or overpowering the notebook will harm the laptop battery it will periodically heats up while charging... or not to charge at all. The battery might only charge with the unit off. The processor will have to work harder with this incorrect HP Pavilion DV7 AC Adapter voltage and amperage.These laptop manufacturers don't randomly reach into a bin to decide what HP ac adpater adapter you need for your laptop. There is a reason why there are so many different bricks with different voltage/amp combination's to achieve the same wattage. Each laptop has specific requirements.
The amperage and wattage rating is actually better than your original HP Pavilion DV7 AC Adapter. The only thing that is out of spec is the voltage rating which is 0.5V. This is nothing considering the voltage droops when the laptop ac adapter is under load. So am pretty sure that you have done a good replacement.

HP Pavilion DV7 AC Adapter Features/Specifications :
Input: AC100-240V (worldwide use)
Output: DC18.5V 3.5A
Power: 65W
Connecter size:
Internal Diameter: 5.0mm
External Diameter: 7.4mm
With central smart-pin inside
Attention! Please make sure the part will match your laptop. If there is no central pin in the connector of your original AC adapter, please stop bidding this item.
Item Includes: AC Adapter and Power Cord.
Brand New Original HP Parts! Full 12 months warranty!!

See more information on:  http://www.usadapter.com

About the Author

Papatek.com locates in Santa Clara, is a direct sales office and service center of our replacement IT parts manufacture. We currently supply brand new AC Adapter, Rechargeable Battery, DVDRW Drive, LCD Panel, Laptop Keyboard, Floppy Disk Drive and many others for almost all name brand laptops and printers.

Does anybody sell a ethernet to phone cord adapter/connector?

something like an extention but puts the ethernet into the phone cord to attach it to your computer. To make it like 1 cord

Not to my knowledge. RJ11 (home phone line) and RJ45 (ethernet) are 2 different types of data/technology.

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