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90W HP PAVILION DV4 charger laptop ac adapter
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90W HP Battery Charger Laptop AC Power Adapter Power Supply HP Pavilion dv4, Pavilion dv5, Pavilion dv7, 19V 4.74A


65W HP PAVILION DV4 charger laptop ac adapter
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65W HP Battery Charger Laptop AC Power Adapter Power Supply HP Pavilion dv4, Pavilion dv5, Pavilion dv7, 18.5V --- 3.5A


65W HP PAVILION DV4 charger laptop ac adapter
New, 1 Year Warranty, Save 30%!

65W HP Battery Charger Laptop AC Power Adapter Power Supply HP Pavilion dv4, Pavilion dv5, Pavilion dv7, 18.5V 3.5A


HP PAVILION DV4 battery  4400mAh/48WH
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HP PAVILION DV4 Battery Replacement for HP Pavilion dv4, Pavilion dv5, Pavilion dv7, 4400mAh/48WH


HP PAVILION DV4 battery  5200mAh
New,1 year warranty!

HP PAVILION DV4 Battery Replacement for HP Pavilion dv4, Pavilion dv5, Pavilion dv7, 5200mAh


HP PAVILION DV4 battery  9600mAh
New,1 year warranty!

HP PAVILION DV4 Battery Replacement for HP Pavilion dv4, Pavilion dv5, Pavilion dv7, 9600mAh


Universal external HP PAVILION DV4 battery charger laptop ac adapter best buy from us, overload and short circuit protection to protect it from damage, stabilized output, low ripple and low interference. AC Adapter HP PAVILION DV4 power supply will work at 90W 19V 4.74A output, 65W 18.5V --- 3.5A output, 65W 18.5V 3.5A output, AC 100-240V 50/60Hz input are worldwide. HP PAVILION DV4 adapter with the UK, USA, EU, AU power cord/cable free. Brand new, Save 30%, One Year Warranty!

Power supply charger for HP PAVILION DV4 (also named "HP PAVILION DV4 power adapter") enables you to operate your HP notebook or charge the HP PAVILION DV4 battery from electrical power outlets. If you are running your computer on ac power with a battery installed, the HP PAVILION DV4 adapter charges the battery ( if needed ) and maintains its charge.

If your HP PAVILION DV4 charger ac adapter beeping and not working, or Hewlett Packard HP PAVILION DV4 battery not charging when plugged in, you can contace us, we will do our best to help you solve HP PAVILION DV4 laptop battery charger problem.

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How to connect universal ac adapter to HP PAVILION DV4?
First, you should check the DC connector size of your HP PAVILION DV4 ac adapter. The universal ac adapter should be the same DC connector size with your laptop, e.g. DC Connecter size: 7.4*5.0mm. Second, you need to make sure the power and output. If you want the same as your original, only use the same power and output. e.g. 65W 18.5V 3.5A. Or you want to charge your HP PAVILION DV4 laptop battery quickly and high power, you can choose higher power and output. e.g. 90W DC 19V 4.74A. Third, you can operate the laptop by ac adapter HP PAVILION DV4 which connects the laptop from electrical power outlets.

HP PAVILION DV4 Laptop Charger Not Working :
1. When HP PAVILION DV4 charger stopped working after plugged it in, it seems that the plug does not connect properly. You can try keep plugging it in and out a few times.
2. HP Pavilion dv4 laptop charger ac adapter gets really hot. When it stops charging you unplug it and let it cool down a little. Then you plug it again and it will works. Or maybe the cpu fan caused, you can clean it.
3. Your HP PAVILION DV4 charger/ adapter wires might be cracked though on the cord that connects to the computer and not making a hot enough connection to charge the computer any more. If you can see the wires, then you can cut the plastic from around the plug end and found a disconnection in the wiring. And then cleaned the plug up and re-soldered the wiring, wrapped with some heat-shrink, and it will works. But which is dangerous for yourself. New charger is the easiest way to solve.
4. It might be because the charger has an overload protection unplug bit for a little bit then retry.
5. Maybe the problem is the HP Pavilion dv4 adapter. The input is the end of the first part, output is the beginning of the second part. The theoretical input is attached to the adapter, not plugged in. Check it. Try a new adapter.
6. Maybe if the battery is fully charge the current will go back to adapter. You can try tomorrow to turn on without battery. If it is still hot (the adapter) then maybe its normal.
7. Perhaps the relevant part between mainboard and battery has a problem. You should contact hp laptop service.
8. Don’t wiggle around.
Your HP PAVILION DV4 laptop charger won't charge battery: If you can powerup your laptop, and have Windows running while your charger is connected, this means that the charger is working. If, after one night charging, your laptop cannot work without the charger, that means that the battery (not the charger) is out of order.
Laptop Chargers AC Adapters Attention:
1. HP PAVILION DV4 power adapter can last for long with proper use. The damage of power adapter usually lies in the circuit. Such as the outlet and the connection of power cord/cable and power adapter, which are easy to curve, leading to the broken or undesirable connection of the power cord. Therefore, special attention should be paid to these terms.
2. Try not to use the HP PAVILION DV4 adapter in the open air or bad environment to avoid being exposed or damped.
3. Pull out the power plug when you don’t use the HP PAVILION DV4 laptop adapter because long-time charging will affect its longevity.
4. Although HP PAVILION DV4 ac adapters are all broadband working voltage marked with 100V-240V, they will be destroyed more or less in the unstable voltage.
5. If your HP PAVILION DV4 charger power adapter is not charging, the power cord/cable may be undesirable connection with your laptop. you can try to change the cable with the plug into the mains which you got from us with the original one from dell. Then put that into the ac adapter with the lead that connects to the laptop from us. It should work normally again.


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