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Power plug socket on side of laptop not connecting to AC Adapter

Trauma to Acer Extensa 4420-5239 resulted in breakage of the pin within the power plug on the side the laptop. It needs to be repaired or replaced.

I removed the visible screws from the bottom (base), but apparently there must be other screws/clips preventing the complete separation from the top.

I believe I can achieve this task, but need further instruction on how to disassemble laptop for access.

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See if this manual helps. There is not as much service manuals for acer as other laptops.
http://www.scribd.com/doc/6469636/acer-travelmate-47204320-extensa-46204220-biwa-service-manual-sgtm47204320book0724-factory-repair-maintenance

Posted on Jan 31, 2010

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Battery not charging laptop


When you connect the power adapter into the laptop, does the power LED light up, If not then
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The solution to your problem lies in one of the following three areas:

1.) Your charger is faulty and is therefore not able to pass power to your laptops battery.

2.) The charging connector on the laptop has come loose from the contacts. Therefore a bad connection.

3.) Your battery is faulty.

I think possibility 2 is the most likely, although you will have to test possibility 3 by removing the battery and plugging in your charger and seeing if the laptop powers on.If it does power on then that rules out possibility 1 and 2 leaving a faulty battery.

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My acer aspire 4730Z is not turning ON....battery is down....when am connecting dh charger pin to dh lap, dh green indicator of dh charger goes on blinking. Lap top is like completely dead dat even dh...


Here below are possible causes and troubleshooting steps of laptop that can't power on, hope it may help:
Possible causes:

1. AC adapter failure.
2. Power jack failure.
3. Motherboard failure.

Possible troubleshooting steps and repair solutions:
1. Test the AC adapter with a digital multimeter. It's possible that you have a failed AC adapter. If you don't have a multimeter, test your laptop with another known good AC adapter.

2.It's possible that power jack (socket where you plug the AC adapter) is broken. Remove the motherboard and take a closer look at the power jack. In some cases you can fix the jack by resoldering it on the motherboard. In other cases you have to replace the jack with a new one. Using a multimeter, test if the power goes to the motherboard through the jack.

3. If replacing the AC power adapter and jack on the motherboard doesn't help, most likely you have a bad motherboard. Replace the motherboard.

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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.

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You can just have the power plug replaced. Cheap enough and easy to do. Although if you take it to a shop they will charge you a fortune to do it

The part will cost no more than £15.00

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1. Remove laptop battery, optical drive, hard drive and ram. Remove external peripherals as well.

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3. Connect the AC Adapter for laptop to a known good power outlet, check ACAdapter power LED if it is on. Try to sense if AC Adapter is not makinga bit of noise when it is plugin to the wall power outlet.

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