Question about Gateway MX6438 Notebook

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How do I fix a faulty DC In port connector in my Gateway laptop?

My DC port in my Gateway laptop model # MX6439 will not work. It is out of warranty. How much would something like this cost to fix. Also, is this something I can fix myself?

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  • CGmiller63 Sep 27, 2008

    Thank you for your suggestions. I got it fixed at a local repair shop. The best part is that American Express paid for the repair under their extended warranty program. Am Ex rocks!



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Hello, I can help. I have replaced many of these DC jacks and have since moved my service to ebay. If interested you can look at the ebay link that I have provided below. This will take you directly to my service ad. As you will see, I am a certified computer technician and on top of that, I have a 100% positive feedback rating. My price is very reasonable as well. So if you would like to get your system fixed, please consider me. The link is: Thank you and I look forward to hearing from you! Sam

Posted on Sep 27, 2008

  • pcparts4geek Sep 27, 2008

    Good deal, glad ya got it!


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To do it yourself you would need the following tools/Supplies..
1) A Desolderer or Solder Wick (desolder Braid)
2) Flux
3) Rosin Core Solder
4) Solder Gun
5) Pliers

You will usually find the DC Jack has either 3 or 5 Pins that connect to the motherboard... Newer Laptops use a Plug In DC jack, which all you do is unplug the faulty jack and replace...
But I'm assuming Yours is the Onboard Pin style..

Repairing the DC Jack without replacing ::
Desolder the Pin Connections, /Clean/Resolder

Posted on Jun 04, 2008

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To fix it yourself you would have to take the laptop apart and remove the motherboard.

Repair costs could run you $50 and up depending where you take it.

Example Site

Posted on Jun 04, 2008

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Posted on Jan 02, 2017

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Gateway Nv57h73u notebook jack issue check:
1) more common issue is changer ( ac adapter) DC core broken inside, please change a adapter to fix. also you can repair adapter DC core wire. if still no charging that could be DC jack issue inside notebook.
2) disassembly keyboard and top cover of your laptop looking for a wire it connect to the DC jack, check is the wire broken close to the jack soldering pot. you can soldering it to fix, or other issue is jack damaged, you can order and change the DC jack with wire easily, the parts see picture

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Will not power on

When you connect the power, does the charge light lit up? this would tell you the power is transmitted to the battery, wich would mean your DC-jack (where the power goes in) is fine, and the problem might be fixed by:
  1. removing the battery,
  2. remove the power,
  3. hold powerbutton for 20 secs,
  4. re-insert power jack(not battery)
  5. press power on button.

If that didnt work, try the following to determine the DC-jack is the problem:
  1. remove battery
  2. insert power into dc-jack
  3. gently press the power plug into various directions while constantly pressing and releasing the power button.
  4. at some point the laptop should respond by turning on, meaning that you have a faulty dc-jack, which needs re-soldering or even relacement by soldering to repair.

Maybe you also notice that the power connector is very loose in the dc-jack, this might tell you that the dc-jack is the problem..

hope it helps..

Oct 15, 2013 | Gateway MX6956 Notebook

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Gateway solo 1450 laptop will not power up.

1. remove main battery and test with just ac charger.
2. test ac charger with multimeter or test notebook with good charger.
3. remove any memory, then test each stick once at a time in each slot.
4. if only 1 stick, get and test with a known good stick, in each slot.
5. plug into external monitor and then power on to test if its a screen issue.
6. clear bios - usually by removing main AND BIOS battery, wait 5 mins.
7. remove all hardware - hdd, odd, wlan, modem, etc and test.
8. remove mainboard, reseat cpu, benchtest
9. test power is getting past DC port - ie, DC port is not broken...

if fails on bench after clearing bios, reseating cpu, with different sticks of memory tested in each slot, with a known good AC charger, and dc port is undamaged, the board is faulty.

hope this helps.

May 19, 2012 | Gateway Computers & Internet

1 Answer

It wont charge therefore wont turn on if you can help me please do or give me an estimate price to fix it


Im very sorry to hear that, please follow these simple steps for you to be able to isolate the exact problem.

1. Removed the battery.
2. Connect the laptop directly to the power outlet without using the battery just for the meantime.
3. Turn on the laptop. If the laptop is able to power on, that means that the AC adapter is working fine as well as the DC port. If the laptop is not able to turn on, it maybe the AC adapter itself or the DC port.
4. Try to use another AC adapter if possible, make sure that that AC adapter is working fine. If the laptop is still not turning on, the problem is with the DC port itself. In that case, you will need to replaced the Motherboard itself.

Hope this will help...Thank you for using Fixya...

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Access to solder joint Gateway MX6440

Hello. I have seen this happen with all models of laptops. Too bad Apple has a patent on that magnetic power cord they use...

You can find all of the service and user manuals for your Gateway laptop here...

Good luck!

Dec 03, 2009 | Gateway MX6440 Notebook

1 Answer


You will need to First Order/Receive a New Replacement DC Jack...
Then The Laptop Needs To Be Disassembled Down To The Motherboard.. let me know if you need full instructions on the steps involved in the DC Jack Repair..

Nov 24, 2009 | Gateway Computers & Internet

1 Answer

Gateway MX6440 will not power on

If you are not getting any power indication lights on the front of the laptop with the AC adapter plugged in, then you most likely have a faulty DC jack.  Luckily, that sort of issue can be fixed, and it is not TOO expensive.  Our company typically does DC jack repairs for about $100.

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Here is how to disassemble Gateway laptop,

Here is replacement DC socket (needs soldering),

Here is DC board (no need soldering, but expensive).

Hope this helps.

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Gateway M3A laptop DC power connector problem

You have 2 choices.. One : You can Desolder the DC Power Jack from the mainboard, clean the pins and connections on the board, then Resolder the DC Power jack back on. Or TWO: purchase a new DC Power Jack and Remove old one / replace with new one.. This will fix your Laptop Power problem..

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MX6439 Gateway laptop

usally ther is none start bottem take all screws unsnap parts u can pice by pice rember what you doing u will make your way down in it to get mobo out u try changing using new power suplly also 1st or does it have docking staion avible u can charge most throw that

Jan 06, 2008 | Computers & Internet

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