Question about Gateway MT6821 Notebook

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Can the dc power plug be repaired? - Gateway MT6821 Notebook

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  • kumar Jul 23, 2012

    Hi Garry, where can I find the replacement DC Jack for my Toshiba M400 laptop? I tried online but couldnt find a good source. Regards Kumar

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  • Master
  • 458 Answers

If you are referring to the DC Jack..(the port where your AC Adapter Plugs into) then typically No, THey are cheap enough that it is best to replace with new.... Yes they can be repaired, but chances are they won't hold up to the stress, and will just cause problems down the road...

Desolder The Faulty DC Jack... Go Slow, Use Solder Wick/Desoldering Braid... And A Solder Gun...Flip Motherboard to the underside of the DC Jack, You want to put a very small amount of FRESH solder on all Pin ends of the DC Jack - this will allow better flow of the solder when trying to remove...
Then Use The Desoldering Braid and slowly remove the solder from the DC Jack Pin Contact Areas... Do Not Rush or you will ruin the contact pads on the motherboard, you must make sure all solder is removed,,, if you attempt to rip out the jack cause you think its "good enough" you will end up pulling the C ring from the center of the Jack Pin Hole...

Once You Have All Solder Removed Use Some Flux Paste And Again go over each pin to ensure all solder is gone, then you can remove the faulty DC Jack...

Now.. Clean the motherboard where the DC Jack Was... Remove All Old Flux and take your solder gun and go over the Jacks contact pads so that you have fresh solder on all...

Now Add a small amount of flux to all the DC Jack Contact Pads and add alittle to the Pins on the replacement DC Jack.....

Then Solder The New DC Jack Into Place... Solder The BottomSide First... The Pin Ends ..

Then Flip Over and add small amount to the side negative pins and the power pin(s)...

Now you are done..

You can add Some Heat Resistant Automotive Epoxy ( Safe On Electronics) to the sides and back of the new dc jack.... this will double the strength and prevent future damage/wear and tear...

Posted on Nov 19, 2009

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Geekman
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SOURCE: the dc power plug is broken

Yes.
Is the connector on the power adapter that plugs into the laptop?
If so, this is an easy repair, purchase a new connector from electronics parts shop, cut off the old connector and solder the new one on the end of the cable. MAKE SURE YOU SOLDER THE CONNECTIONS TO GIVE THE CORRECT POLARITY ON THE CONNECTOR, OR YOU WILL DAMAGE THE LAPTOP.

If the power socket on the laptop is faulty, this repair is more difficult. The socket may only need resoldering on the motherboard or in the worst case a new socket replacement. Either way the laptop need to be dismantled to get at the power socket.

If you don't feel you can handle this, get it done by a computer repair shop or a techo friend.

Posted on May 28, 2009

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1 Answer

Loose ac adapter plug


For this issue, you may take it to repair or replace your laptop dc jack. If you are good at tech, you may fix it by yourself on the basis of the following instructions:
http://www.chargerbuy.com/blog/dc-power-jack-repair-guide-do-it-yourself-instructions/

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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.

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Loose power adapter


Loose Power Adapter or loose internal dc power jack where the adapter plugs into the computer? If the Power Adapter is loose buy another one. If the internal DC Power Jack is loose, you will have to take the laptop apart to repair it. The DC Power Jack is on the motherboard and most times it is soldered to the motherboard. That means you will have to desolder the old one and solder a new one in it's place. Sometimes the dc power jack sits in a slot between the bottom case and palmrest which hold it in place and has a cable harness that plugs into the motherboard.

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I have an Acer Aspire One and when I plug the charger in I have to spin it or wiggle it or both to get the battery to charge. Once I have it in position it generally stays on charge, but if the cable is...


It could be either one Sarah.

The AC adapter's (Charger) cable, or the DC Power Jack where the AC adapter plugs into the laptop.

This is an example of the DC Power Jack not installed,

http://www.laptopjacks.com/view_part/Acer-Aspire-ONE-AOA150-ZG5-DC-Power-Jack-AC351816.html

(You can click on the three views of the jack to enlarge)

1) Check the DC Power Jack to see if it's in good repair.

Battery removed use a small flat tipped screwdriver, and Gently see if you can move the Center Pin around in the jack.
See if the Center Pin will move side to side a small amount. There is supposed to be No perceptible movement.

Referring back to the closeup photos of the DC Power Jack, the flat blade-like prongs are upside down, in relation to how the jack sits on the motherboard.

The flat prongs go down through the motherboard, and are soldered to the motherboard.
If the center pin of the jack is stationary, but the jack as a unit moves around, one or more solder joints, (Connections) for the flat prongs may be cracked.

The repair consists of completely disassembling the laptop, removing the broken DC Power Jack, and installing a new one.

Acer Aspire One service manual,

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

(Click on the blue - One - in Aspire One.
This is a PDF file. The computer you are using now has Adobe Reader on it which uses PDF files.
After you click on the file name (One) it may take up to 30 seconds before you see the first page.
It may also take additional time for the file to fully download.

(Took 12 seconds just now for full download)

No perceptible movement of the DC Power Jack? Suspect the cable of the AC adapter right near it's plug. (Plug that plugs into the DC Power Jack)

For additional questions please post in a Comment.

Regards,
joecoolvette

Jun 25, 2011 | Computers & Internet

3 Answers

Battery can be used to power computer. Plug cannot. Tried a different power plug from a different computer with around the same voltage and whatts, but still didn't power. This is a DC in power plug...


The problem is most likely the DC connector in the computer. I have replaced many of these. Normally what happens is the connector is stressed by moving the computer while plugged in stressing the connector. It could also be the DC converter board but .... that would probably affect battery operation also.

To replace the connector, you have to completely disassemble the system down to removing the main board.

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3 Answers

Advent N270 netbook will not charge. Orange light comes on initially then goes off. Also when I wiggle the plug into the laptop the light flashes on and intermittently.


It sounds like either a bad connection on the motherboard or a broken wire in the adapter making intermittent connection.

1. With the power adapter disconnected, do you have a power light? This would indicate the adapter is good and the plug is questionable.

2. Check your power adapter output with a multi-meter.(be sure to wiggle the wires around) If the power fluctuates, replace the plug.

3. If the power is solid, replace the motherboard connector.

Nov 22, 2010 | Intel Computers & Internet

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Where i can buy, power socket for my amilo pro v2010?


Just one example,

http://www.laptopjacks.com/view_part/For-Fujitsu-Amilo-Pro-V2010-DC-Power-Jack-FJ41420.html

The power socket in the laptop that the AC adapter (Charger) plugs into is a DC Power Jack.

Type Amilio Pro V2010 DC Power Jack in your browser search bar, press the Enter key.

To add:

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

Nov 07, 2010 | Fujitsu Siemens AMILO Pro V2010 Notebook

5 Answers

MY GATEWAY LAPTOP NO LONGER RECEIVES POWER.


Motherboard or harddrive? I'm betting it's more towards the motherboard. The DC Power Jack to be more specific. This is the port where the AC adapter, (Charger), plug is plugged into.

The DC Power Jack is not much bigger, than the plug for the AC adapter that plugs into it. There are small pin leads that are on the bottom of this jack, and they go through the motherboard, and are soldered to the motherboard.

Accidental bumping of the AC adapter plug, while plugged into the DC Power Jack, can damage the jack. It can break the connections for the adapter plug, and/or can crack the solder joints for those small pin leads.

[Laptops use DC electricity. A flashlight battery, and a laptop battery, are examples of stored DC electricity. DC electricity has two poles. Positive and Negative. The DC Power Jack has two connections. Positive and Negative. {Even if the DC Power Jack has multiple holes in it]

There is also another known problem associated with DC Power Jacks. It may stem from a bad motherboard design.

More to the point, the area where the DC Power Jack mounts on the motherboard. In this design, the DC Power Jack motherboard area, is almost a separate part of the motherboard. It's shaped like a Peninsula. (Think of an island, with one side connected to the mainland)

This peninsula shape, has the tendency to crack away from the main body of the motherboard. Circuit traces are broken.

When the AC adapter plug is setting in a certain position, it presses the two broken halves of the circuit traces together, for a momentary contact. As the AC adapter plug is moved from this position, the circuit trace halves are moved apart, and there is no contact.

(No distribution of electricity from one circuit trace half, to the other circuit trace half. Think of a circuit trace as a very, thin, flat copper wire. When a circuit trace is broken, there is essentially a wire that is broken into two parts)

Solution?
See if the DC Power Jack can be repaired, (Solder joint connections re-soldered), or replaced.
If the DC Power Jack motherboard area is the aforementioned peninsula shape, it may require replacement of the motherboard.

There are very FEW, computer repair shops that have the technical expertise to replace a DC Power Jack. Easy fix is to simply replace the motherboard. (More $$$$$ too)

However, some laptops DO require replacement of the motherboard for this repair.
Bad motherboard design, for the DC Power Jack area on the motherboard.

Re-solder DC Power Jack solder joints? (IF, this is the problem) Average is $50 to $75 (US)
Replace DC Power Jack? Average is $125 to $150. (US)
Replace motherboard? Depends on the Gateway model. Could be $225 to $400 (US)

[Yes, most of the time the cost warrants just replacing the laptop itself, as the cost of replacing, is close to the repair cost)

Just to SHOW you ab average DC Power Jack, and the repair involved of replacing. (Doesn't show you, that the entire laptop needs to be disassembled, down to the bare motherboard in hand)

This is NOT a recommendation to replace the DC Power Jack yourself! It is just for knowledge of what is partially involved. (You can accidentally burn the motherboard when desoldering, or soldering, rendering the motherboard useless)

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

Sep 09, 2009 | Computers & Internet

2 Answers

The dc power plug is broken


Yes.
Is the connector on the power adapter that plugs into the laptop?
If so, this is an easy repair, purchase a new connector from electronics parts shop, cut off the old connector and solder the new one on the end of the cable. MAKE SURE YOU SOLDER THE CONNECTIONS TO GIVE THE CORRECT POLARITY ON THE CONNECTOR, OR YOU WILL DAMAGE THE LAPTOP.

If the power socket on the laptop is faulty, this repair is more difficult. The socket may only need resoldering on the motherboard or in the worst case a new socket replacement. Either way the laptop need to be dismantled to get at the power socket.

If you don't feel you can handle this, get it done by a computer repair shop or a techo friend.

May 28, 2009 | Computers & Internet

2 Answers

Toshiba L300 satellite --- Power cord does not connect!


There are several companies online, or you can find someone in your area, the "AC Power Jack" that you plug into, is soldered onto the Motherboard using 2-4 "Prongs", one or more of yours has "Broken", and isn't making a connection, while the Price of the part is cheap, the repair is "Difficult" if you are trained to do the repair, but I have done 6 or 7 myself, so it is possible, But damage to the Motherboard can occur when soldering the new jack in,"Burning" a contact or something, best to take it to a repair shop,$150-$175, or $5-15 if you can do it yourself, Again "DIFFICULT", so the repair shop is your best bet, the online companies have Guaranties against damage. Google "Laptop DC jack repair"
http://www.DCJackRepair.NET is in the sponsered results. There are self help pages for the repair,
http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/
Please read DISCLAIMER on the page, hope this helps, Please rate it a fixya,
Gomez

Apr 18, 2009 | Toshiba Satellite Pro L300 Notebook

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