Tips on choosing HP Pavilion DV9000 AC Adapter

July 28, 2009 - PRLog -- During the last week, it seems the laptop AC adapter for my HP Laptop that I purchased 7 months ago has developed a fault meaning that the HP Pavilion DV9000 AC Adapter is not detected by the laptop. It still charges and powers the laptop fine however on every boot it makes a very loud beep and requires you to strike F1 to ignore the warning. In addition, the performance of the laptop is reduced to a minimun. So a new hp ac adapter is needed, but how can I choose a right one and which brand will be compatible with my laptop? When I search it via internet, the following information is very helpful and I believe it will also help you.

It doesn’t matter whether two AC Adapters are with the same brand,all you need to follow is as bellows:

(1)  The Amps may be higher but they cannot by lower. If higher, no problem, for all electronic products only use as much current(Amps) as thay need but not how much provides.( For example, if the label of your laptop indicates 19V 3.15A, then the AC adapter with the voltage 18V to 19V all works with no harm doing to your laptop, and if you can not find the exact 3.15A AC adapter from these above, just select the next size higher in AMPS.

(2)  The Voltage

must be within 10% of your original AC Adapters(HP Pavilion DV9000 AC Adapter) Voltage.

(3)  Check the connecter of your original AC Adapter(HP Pavilion DV9000 AC Adapter), and make sure the AC adapter you want to order matches this one.

Luckily, I found the right ac adapter at http:www.usadapter.com, bellow is the breif introduction of HP Pavilion DV9000 AC Adapter (http://www.usadapter.com/Laptop-HP-Adapter/HP-Pavilion-DV...):

Input: AC100-240V (worldwide use)
Output: DC19V 4.74A
Power: 90W

Connecter size (Bullet shape tip):
Internal Diameter: 1.6mm
External Diameter: (4.75+4.2)mm

Attention! It is 90W power supply with a black DC tip of (4.75+4.2)*1.6mm size, compatible with 4.8x1.7mmB male tip. Please make sure the part will match your laptop before bidding this item.

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