Question about HEWLETT-PACKARD Ed495Aa Notebook Power Charger / Ac Adapter Replacement - 19V -4.74A (Replacement) (839438686506)

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How to repair an HP adapter - HEWLETT-PACKARD Ed495Aa Notebook Power Charger / Ac Adapter Replacement - 19V -4.74A (Replacement) (839438686506)

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I agree. some things just go bad

Posted on Jan 29, 2015

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Buy a new one on ebay they are inexpensive that is the original manufacture. they can be bought as little as $20

Posted on Jan 29, 2015

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My hp laptop don't turn on even the charger is


When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

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There is no fuse inside the HP laptop.
When you connect the power adapter into the laptop, does the power LED light up? If not then - The battery adapter or the adapter's power lead or the laptop's power socket could be faulty. Check power adapter's DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced. If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard. This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

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Hi thorchop1,

There are two things that might cause for your HP Printer to get no power at all. First, the power adapter. You may want to try using other power adapter compatible to your system. If using other power adapter works you can buy a new power adapter for your printer. Another thing is, the power supply. If after changing the power adapter and still system will not turn on then you have a bad power supply that needs to be serviced by local repair man or technician from HP.

Hope it helps.

Thank you for using FixYa.

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1 Answer

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The ASUS power adapter is below spec and it may damage the adapter because the HP is drawing 45 W more power than it can deliver and will cause it to overheat.
The 17" HP requires 18.5 or 19 volts depending upon the model of the HP laptop (check the power requirements on the label on the bottom of the laptop). If the ASUS adapter doesn't deliver this voltage, it most likely won't power up the HP laptop.
Use the power supply/adapter from the other 15" HP. If this HP's adapter has a voltage output of 19 volts and the 17" laptop requires 18.5 volts, don't worry a voltage difference of 0.5 volts, the only problem is whether the power plug will fit into the power socket of the 17" HP laptop.

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1 Answer

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Remove the Battery and connect the AC Adapter it charges fine than Battery is Faulty replace the Battery if the Notebook is is less than 1 year old than get the battery replaced by HP for free under standard warranty if still the problem than try another Known good AC Adapter if the problem persists than send the Notebook to HP for the bench repair to repair the Notebook from HP under warranty

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1 Answer

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Hello,

You either have a bad adapter or a broken power jack in the laptop. To check the adapter use a multimeter set to voltage and connect one lead to the center in and the other to the outside metal contact. You should get a reading from 18 to about 26 volts. If you get no reading then the adapter needs to be replaced. If you get the correct reading then the power jack in the laptop will need to be replaced. If yo are ok with electronics repair you can get the jacks from Ebay.com if not your local computer repair shop should be able to do it for you.

I hope this helps, If so please rate my solution,

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of PC and printer support/repair.

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1 Answer

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sounds like this may be a manufacturing fault. especialy if it repetedly occurs.

you should take this up with compaq as it may be a mainboard issue that is causing the power adapter to blow.

hopefully they should repair/replace.

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2 Answers

110v plugged to 220v


your adapter burnt out, its better you bougth a new one

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2 Answers

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Generally I would say power supply, but I'm leaning towards the power management chip on the motherboard. You can send it off and have it repaired or replace the board.

Jun 12, 2008 | HP Computers & Internet

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