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Bad power jack msi gx 740

Power jack melted probably from short circuit with the power adapter end getting to hot

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: laptop won't charge and fried jack and power adapter

go to www.pcrepairhelp.net

have not used them, but plan to send them a dv1000 with similar issues next week.

good luck.

Posted on Jul 25, 2008

Joed911
  • 4338 Answers

SOURCE: My dell D820 laptop is

It is most likely the DC connector. Take it off the system board and clean the solder joints, then replace it.


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


Click on this link or copy and paste the complete link into your browser.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy Holidays!

Thanks, Joe

Posted on Dec 13, 2010

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I replace the fuse for the horn then the engine Boggs down until I hit the horn then it runs good but the fuse is blown what might be the problem is the relay bad on my 97 jeep wrangler?


a fuse blows (correct size and not horn hacks) for only one reason
the parts are shorted.
the fuse prevented the FIRE.
that is its function.

an ammeter ffinds this fast.
need a video?

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My samsung laptop charger gets hot and starts to melt when pluged in and powered up and does the same if i take the battery out please helptried a new battery and new charger could it be the jack on the...


I'm unclear however
Does the new charger get too hot? If so the problem is not the charger or the socket.
Does the laptop work with the new charger plugged in but no battery? If so the socket on the laptop is probably ok
Is the actual charger melting or is it just the plug that goes in the laptop that's getting hot, if it is the plug on both chargers then the socket will need repairing or resoldering, they are a weak point, the soldered pins go high resistance and can generate a lot of heat around the plug and socket. Its usually obvious if the socket is faulty because as you move the plug it makes contact intermittently.
DONT USE THE CHARGER THAT'S MELTING and if both are getting hot have the socket repaired.
If only the one charger getting hot the short is probably in the plug on that charger but read on
On a different note the genuine chargers should be over current protected and overheat protected, they should never melt.

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Acer aspire 4736z no power


This sounds like a short circuit in your laptop, have the power supply adapter checked first to make sure it is functioning properly, if okay you will need a professional to check the motherboard, but it is more than likely one or two semiconductors are bad located near the DC jack in the laptop.

Sep 17, 2012 | Computers & Internet

1 Answer

Laptop wont turn on


Remove main battery and try again, if no! have the power supply adapter checked for correct voltage, if okay! the DC jack in the laptop is a common source of trouble, computer must be dismantled down to the motherboard level, there are bad solder connections on the flip side of the circuit board that will need to be addressed.

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I have a Compaq Presario CQ 60, it has stopped charging all of a sudden, please tell me probable causes


Hello.

The most common reasons for power issues are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

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1 Answer

Whenever I press the power button my netbook is no longer coming on, I can see a green light on the bottom row so there is power going to it, but will not turn on.


Hello.

The most common reasons for power issues are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the netbook powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the netbook, and the power goes off and on, the power jack is the problem.

The power jack is inside the netbook and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

Apr 23, 2011 | MSI Computers & Internet

1 Answer

Laptop won't power on with ac adapter or battery


Could be a combination of things.

1) Battery is low. Not enough power to turn the laptop on.
Caused by;

2) AC adapter has a plug on the end of the cable. The plug plugs into a DC Power Jack on the laptop.

The DC Power Jack is bad.

2a) The DC Power Jack has a bad connection to the motherboard, (Cracked solder joints), and/or the jack itself is bad.

2b) Center Pin is loose in the jack's mount.
The back of the Center Pin where it mounts has become loose.

2c) The plastic body of the jack, which composes the jack's case, is cracked. This allows movement of the Center Pin.

2b, and 2c cause a bad connection with the AC adapter plug.

No charge to the Battery, no power to the laptop.

http://www.laptopjacks.com/view_part/For-Gateway-MX6920-DC-Power-Jack-GW51425.html

[ If this is the case the DC Power Jack needs to be resoldered to the motherboard. The cracked solder joints need to be re-melted, (Reflowed)
Entire laptop needs to be disassembled down to the bare motherboard in your hand.
(No Processor, Ram Memory, or any adapter cards mounted to the motherboard. Nada)

OR,
The DC Power jack needs to be replaced.
This entails disassembling the entire laptop, down to just the motherboard in your hand. (Same as above)

The old DC Power Jack is de-soldered, and a new one soldered in place.

Very FEW computer repair shops have the necessary skill level.
They just want to replace the entire motherboard.
IF one is available.
More Ka-Ching for them also. ]

3) The AC adapter is bad.
Not providing power to the laptop, to charge the Battery, nor give power to the laptop without the Battery.

AC adapter cord from adapter to plug, which plugs into the laptop, (DC Power Jack), may have a break in it.

May be an intermittent contact provided by wiggling the cord.
If this is the case the wires have stretched, and broken.
Wiggling causes the wires to briefly touch, and make contact.

Where this cord meets the plug itself. A lot of times there is a break in the wires in this area.

Solution is to replace the AC adapter. There are universal AC adapters you can buy, or perhaps Gateway still has some for sale.
(Ka-Ching)

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1 Answer

The jack end of the ac adapter (plug into the


The jack has probably been ripped loose from the circuit board by repeated use over time. The jack must be de-soldered, then epoxy glued to the circuit board. Once the glue sets, the original connections need to be replaced with short sections of wire to bridge the broken portions of printed circuit. A relatively simple repair if done carefully. Hope this helps!

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Did you experienced any overheating before that happened?

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Sounds like the power jack has a short and needs to be replaced.If it melted the ac adapter tip then its a ground problem in the power jack or where it connects to the mother board.

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