Question about AMD 486542-001 - HP Pavilion DV7 Series System board with integrated ATI Radeon HD 3200 graphics Motherboard

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Will not power up new charger connector installed

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Thanks for using fixya, that sounds a motherboard problem, you need to repair the motherboard or replace it, or you try to take all the powers from the laptop (bat. and charger ) press the power button for 10 sec. then connect only the main without the bat. and seen if works , if not , you need to repair or replace it.
Thanks

Posted on Nov 13, 2010

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Posted on Jan 02, 2017

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Unable to start (turn on) Kindle Fire 8.9 HD


Try plugging in charging cord and see if device powers on while connected to mains power if so and it doesn't start off mains it's your battery. If it doesn't turn on with regular charger try another charger with same connector to be sure it is not your charger that is faulty. Failing all of this, and you are handy, you can search for battery part number on net buy one from China and install yourself. PLEASE ONLY IF YOU ARE COMPETENT DO YOU TRY FIXING ELECTRICAL PARTS YOURSELF. Alternatively it is probably easier to buy a new ereader.

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My cauzin Got Acer Aspire 5920 !! its charger stop working she buy another charger for it !! but due to inexperience she bought 24 volts instead of 18 volts !! after charging some time the laptop isn't...


One of two things. The Power Connector (on the motherboard) or the motherboard itself. If it is just the power connector, you can purchase a new one for around $10 (look at the specs for your model) and solder a new one on. If it is the motherboard, you'll be replacing alot more than it most likely. It could have fried the GPU, memory and Proc.

And the following three condition should be met for you to use an AC Adapter safely.
1) Output Voltage is within +/- 5% of your old charger's output.
For example, if your old charger provides 19.5V, then you can use a charger that provides 20.5V or 18.5V.
2) Output Current is the same or higher than that of your old charger.
For example, if your original adapter provides 3.42 Amps, then you can use a charger that provides 3.42 Amps, 3.9 Amps or higher.
3) Connector tip must fit securely into your laptop.

Specification of Acer Aspire 5920 Charger:
Output: DC19V 3.42A
DC Connecter (Barrel) size:
Internal Diameter: 1.5mm
External Diameter: 5.5mm

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1 Answer

Not charging


If you have power to the on-board charger, check inside the base and be sure that the wires to the amp-meter are tightly connected and all other connections are tight. If so, then you probably need a new charger. Instead of paying a few hundred bucks for an on-board from the mfgr. you can buy an off-board charger on ebay for around $50.00 that will plug into the 3-pin connector located on your joystick.

Just search ebay for electric wheelchair charger and you'll find dozens; make sure you get the one with 3-pin connector...most are like that.

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Lost the charger of my sony dvd201 cam corder. is there any other way i can charge my camcorder?so i dnt have to buy a new charger? and do i need power to open the camcorder disc door?


Hello. Yes, you do need power to open the disc door. When you slide the disc cover open switch, you should hear the little musical sound, and then the "preparing to open cover" appears in the lcd display. Then the door opens automatically. As for charging the corder, you can get a new ac charger for 25 bucks on Ebay. Sony uses a special plug that is inserted. If you want to go the cheaper route, I saw mobile *battery* chargers for your unit(not to be used as camcorder power supplies) as inexpensive as 8 bucks...most were 10 dollars and up...the input voltage/current to the cam is 12v @ 500ma. However, the fact that the connector isn't the generic "cylinder" shaped power connector makes purchasing a compatable power source a necessity. ---Rick

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1 Answer

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junked the charger connectors and replaced the connectors with better type of connectors that an old man can get a hold of to take apart to connect the charger when needed very poor design for elderly use.

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1 Answer

AC Adapter


Hi Kayla,
It is most likely the power connector on the laptop is faulty and the power adapter is not making electrical connection with the laptop.
You stated that by moving the touchy power plug that you could get it to charge, this is proof that you have a faulty power input connector on the laptop.

Check the power adapter's laptop connector with a multimeter, if there is voltage at the connector then the adapter is OK, the voltage reading should be as stated on the label or slightly higher.
You may be able to get the power connector repaired (it may need resoldering because of a dry joint) or it may need to be replaced.

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