Question about Gateway MX3228 Notebook

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Opening Gateway MX3228

The power jack on my laptop has broken, I assume soldering point broke. I am comfortable buying a replacement and soldering it but I cannot for the life of me get the laptop opened all the way to do so. I have taken all the screws off underneath that appear to hold it together but still cannot open it. Does anyone have a link to a guide to open this laptop up properly? Any help is greatly appreciated. I can also be emailed at synapses11@gmail.com

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  • synapses11 Feb 06, 2009

    TY very much, my problem was that I wasnt taking the keyboard off. I was able to get the dc jack out which isnt connected to the mb but rather a small board connected with wires which makes it vastly easier to get out. Unfortunately saw no broken connections. Will have to wait for replacement piece to come in the mail.

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Ok here is instructions on removing to get to the motherboard. It is for a different laptop but removal is exactly the same.
http://www.irisvista.com/tech/laptops/ToshibaA75/satA75_1.htm

Posted on Feb 06, 2009

  • Jeremy Reddick
    Jeremy Reddick Feb 06, 2009

    Ok understand. Well best of luck to you and have a good weekend

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Try to find the part on ebay, or buy a parts laptop to repair yours by replacement.

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My DC jack broke what should i do.


I am assuming you mean the DC jack on the motherboard in your laptop?
You can repair it yourself, or take it to a repair shop and pay to have someone do it.
To repair it yourself, you'll need:
1) A new DC jack (though sometimes you can fix the broken one)
2) The disassembly guide to your specific model of laptop. Google the phrase "laptop make/model disassembly" and one should come up pretty quickly. Guides are generally step-by-step with pictures included, and putting it back together is just the reverse of disassembly.
3) A soldering iron and solder. 15-30 watts for delicated boards like a motherboard. Once you've pulled your motherboard out, You can de-solder the broken DC jack from the motherboard (if necessary) and solder the new one on. DC jacks are generally 2-4 solder points and fairly simple to press back on.

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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...

http://support.gateway.com/support/manlib/Notebooks/notebook.shtml

Good luck!

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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/

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http://forums.whatthetech.com/DC_Jack_Laptop_t105164.html

double check your power cord! i just went thru 3 days of troubleshooting my Gateway M6318. Thought it was my dc jack.... after tearing down my laptop... finding the jack in tact, soldering in tact. testing my power cord... off and on for 3 days.. it was reading 19v.. which is what it should... but as of today began zero reading on tester. Tomorrow I will buy a new power cord to see if this was the correct problem... wish i would have found the above reference site before all the other troubleshooting i had done... tearing down my lap top, pulling, tugging, twisting my power cord to get a good charge.... etc. hope this helps!

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Here is replacement DC socket (needs soldering),

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Hope this helps.

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About 99% of the time the DC female adapter is soldered to the motherboard making it near impossible to fix. Getting solder on anything would ruin the motherboard.

It is possible that it is your Power Cord and not the jack on the motherboard. Same problem I had a few weeks go with a clients laptop. You may want to buy a new Power Cord, and try that before you go out and have to get a new motherboard (which can be VERY costly, or even buying a new laptop).

Post the model number of your laptop and I can direct you somewhere to get a good deal on a new power cord.

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