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How to open and replace dc power jack - HP Computers & Internet

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Please post your question in detail.

Posted on Sep 13, 2008

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3 Answers

Hi when plug in my ac adapter into lenovo x61 the tablet will not turn on i try it on other computer and it will on what happen?


LOL, sounds like your tablet has seen it's better days. See why HP got out of the Tablet business? They are nothing but trouble.

Apr 08, 2012 | Lenovo Tablets & eReaders

1 Answer

Broken power plugin port


The power plug in port you refer to is the DC Power Jack.

The AC adapter (Charger) converts AC electricity into DC electricity.
DC electricity has two poles. Positive, and Negative.
(Just like on a D cell flashlight battery)

The center pin of the DC Power Jack is the Positive connection.
The outer metal spring-like pieces, on the inside of the cylindrical shape surrounding the center pin, are the Negative connection.
(The pieces of spring-like metal, all connect to the Negative connection in the DC Power Jack)

Example of a replacement DC Power Jack, for the Asus Eee PC 1005HA Netbook,

http://www.batterysupport.com/asus-eee-pc-1005ha-jack-p-303527.html

[ Note*
Cannot agree with the replacement instructions they offer, at the bottom of the page.
Not everyone has access to a hot-air gun. A 25 Watt soldering iron, and Desoldering Braid, is better, and more easily accessed ]

A few articles dealing with replacement of a DC Power Jack,

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/

http://www.laptoprepair101.com/laptop/2006/01/28/toshiba-satellite-m35x-a75-power-jack-problem/

http://www.laptoprepair101.com/laptop/2006/05/27/failed-laptop-power-jack-workaround/

1) Remove ALL power. Remove the AC adapter, (Charger), and Battery.
2) Observe Anti-Static Precautions. Buy, and use an ESD wrist strap.
Electro Static Discharge.

(Average cost is from $3 to $6. Connect the alligator clip to a good ground source.
I connect to an unpainted surface, of the metal frame of an open, empty desktop computer case.

If you wish to proceed in replacing your DC Power Jack, and need guidance, post back in a Comment.

Regards,
joecoolvette

Dec 01, 2011 | ASUS Eee PC 1005HA-PU1X-BK Netbook

2 Answers

Won't charge, purchased new battery and new AC adapter, still does not charge. AC charges other Dell I have so must be in charging circuit or connector. How do I disassembly computer to voltage getting to...


You are right, most of the situations like this end up that the charging connector fixed / soldered to the motherboard get damaged because of shaking the connector when ever we connect and disconnect it .

Mar 06, 2011 | Dell Inspiron 2600 Notebook

2 Answers

No power at all, tried a new charger still no power and replaced the battery.


Hi

After the battery and AC cord replacement and still not getting power there's only once culprit there and that is the motherboard of the laptop. I recommend you call Acer and have them replace it for you. Thanks

Feb 21, 2011 | Acer Laptop DC Power Jack for Acer Aspire...

4 Answers

Hello my laptop t41 power is not even flash but the adapter is working,am technician and i have troubleshoot allot.


I concur with what Diegotech stated.

To iterate further;

1) The DC Power Jack (DC IN), may have cracked solder joint/s on the motherboard connector, (Female), where the DC Power Jack plugs in.

Resolder

2) The DC Power Jack may be broken.
Center Pin mount, and/or body of DC Power Jack, and/or Outer Shell mount.

Replace DC Power Jack.

3) Wires from the DC Power jack plug to the female connector on the motherboard, may be bad.

Replace DC Power Jack.

Two examples, of a place to buy an IBM ThinkPad T41 DC Power Jack,

1) http://www.buy.com/prod/dc-power-jack-connector-socket-for-ibm-thinkpad-t40-t41-t42-r50-r51-r52/q/sellerid/23962916/loc/101/215782035.html

2) http://www.machinaelectronics.com/store/buypart/IBM_Thinkpad_T41/DC-P001

Past this point it's a bad DC sensor on the motherboard.

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-ibmlenovo

On this page go down to the 8th line.
The one that starts with > ThinkPad T20.

Go across, and click on > T41

Takes approximately 2 seconds to see the first page, and additional time to fully download.

Page 142 for 14.1 inch LCD screen
Page 151 for 15 inch LCD screen

(PDF file page number box at top)

Dec 01, 2010 | IBM ThinkPad T41 Notebook

2 Answers

DC power jack on a Fujitsu N6420


you can try take apart but when i did it was a night mare.i say take to shop.if it was a desktop i say you could fix it easy,but a laptop
take spacily tools to do it right

Jul 30, 2009 | Computers & Internet

1 Answer

How can i open up my Gateway 7322GZ to replace DC power jack?


Here is the direct link for downloading the manual that will walk you through the procedure you wanna pursue.. It's gateway's original manual n hope you get some idea about how to open up ur laptop

http://www.adrive.com/home/downloadfile/136709577

Feb 13, 2009 | Gateway 7322GZ Notebook

1 Answer

Power problem


You need to remove the screws on the bottom of the laptop. Once the right screws are removed the case will seperate exposing the MOBO and that and you should see the dc jack (power jack) as forwarning, almost ALL dc jacks are sodered to the motherboard..and not easy to successfully replace.

Jul 24, 2008 | Averatec 3200 Notebook

1 Answer

Toshiba Satellite 1415-S173


Hi

DC jack replacement is easy however requires a bit care since its mounted on the mainboard. Desolder the old DC jack. Solder the new one firmly. Dont keep the soldering iron too long on the PCB as it will damage the lines and will deform the DC Jack. You can get DC jack very low cos from local repair stores or you can order from Toshiba parts depot (800-524-8338)
Please post your question if you need further assistance.
Good Luck

Feb 09, 2008 | Fujitsu Siemens AMILO D-7830 Notebook

2 Answers

Dc Jack replacement


you have to remove the screen from the laptop (in most cases) open the lower plastic case ,lift out the otherboard,carefully de-solder the dc-jack and then solder in a new dc-jack,and the re-assemble the whole thing.

Dec 19, 2007 | Computers & Internet

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