Question about Dell Inspiron E1505 Notebook

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I have a loose charging pin in my laptop that I need to solder back to the motherboard, is this difficult to do?

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It's not difficult to do, it's a big connection and not hard to solder. However be careful not to touch the tiny SMD parts around it when you do the soldering, they are very fragile.

Posted on Jun 14, 2009

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No. its not that hard to do. give it a shot, but be careful not to break anything. and dont use a resin solder.

Posted on Jun 14, 2009

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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)

Oct 21, 2010 | Gateway MX6920 Notebook

1 Answer

My LG R400 laptop has a bad charging port.how do i repair it


DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Oct 04, 2010 | LG Computers & Internet

1 Answer

Cannot power up or charge battery. Power supply is working. Does the power receptical commonly break from the motherboard?


DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Oct 03, 2010 | HP Pavilion ze4420us Notebook

1 Answer

I have an Acer Aspire 7736z which wont charge. Ive already found that the battery connector/battery pin/battery port whichever youd like to call it has snapped off. Any information on how to fix it? where...


DC Jack diagnosis:
1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Sep 28, 2010 | Acer Computers & Internet

1 Answer

My netbook is plugged in to the wall and the charge port but is not showing that its charging. why? and how do i fix it?


1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Sep 26, 2010 | ASUS Eee PC 1000HE Netbook

1 Answer

Ok here's my problem i have a toshiba a75 s211 when i put the power cord in then i turn it on the power cord indicator is on and is green but the charging indicator dosent come on and when i turn my laptop...


1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Sep 21, 2010 | Toshiba Satellite A75-S211 Notebook

1 Answer

Samsung r60 plus does not recognise a/c power,i put in the battery which does not charge and it works


1. Test power adapter for output voltage. Bend the power cable in various directions while doing this to be sure that there is no broken conductors in the cable.
2. If power adapter is Ok, connect it & see if the power LED on the laptop will glow when you jiggle the power connector in various directions. If yes, then the DC jack might be loose or damaged, & need to be either re-soldered or replaced.
3. If not, then disassemble the laptop. Remove any components that attach to the laptop's motherboard first (e.g. battery, hard drive, RAM, wireless card, optical drive, ... etc.)
4. Next, remove the keyboard & the LCD screen.
5. Finally, unscrew all screws that hold the upper cover & lower cover together so that you could gain access to the motherboard.
6. Inspect the solder points connecting the DC jack to the motherboard. Make sure that none of them is loose. If any, re-solder them.
7. Inspect the center pin in the DC jack. Make sure that it is not broken or loose. If it is, then you might need to replace the DC jack.
8. When you are done, re-assemble back the laptop.

Sep 14, 2010 | Samsung Computers & Internet

1 Answer

How to replace D620 power jack? pwer jack is "loose" causing intermittent connection with power supply. the problem is "not" power cord.


The power jack is located on the motherboard. It is soldered to it. You have to remove the screws behind the laptop securing the back cover and disconnect the hard drive and GPU cables remove the keyboard so that you can pull out the motherboard. This is necessary since the solder joints are located under the motherboard and the jack is over it. There are 3 pins that are soldered. Remove the solder on all 3 and pull out the jack. Insert the pins of the new jack in the space vacated by the old pins and use a low diameter solder(2mm or less if available and lead free solder only) to solder the pins to the board and voila!

May 18, 2010 | eMachines eMD620-5133 Notebook

1 Answer

Intermittent power connection


I am guessing this is a laptop.

If so, the DC jack on the laptop is bad. The connection between the jack and the motherboard gets loose, or the center pin gets loose. The only fix for this is a jack replacement. It takes soldering skills. You can get it repaired for $100-200 bucks, depending on the shop.

If you have soldering and electronic skills you can do it yourself, but it is tricky if you have never done it.

The only other option is possibly the power cord is bad at the end, where there might be a bend. Sometimes both the power cord and Jack are bad.

Apr 05, 2009 | Computers & Internet

1 Answer

No power,not charging


Hi,

It is most likely that there was nothing wrong with the original adapter/charger. What I suspect is there could very well be a loose connection more aptly a cold solder among the pins of the power jack that is soldered to the motherboard. Normally, this jack would have two (2) pins and your description "...unless the cord was in a certain position..." indicates that one or both pins are not connecting right to the motherboard solder points.

It is relatively easy to resolder the said pins. What would be more challenging would be opening the laptop and exposing the motherboard's to be able to do solder work underneath.

Should you venture a DIY, then you would be needing a set of jeweler's screwdrivers and a soldering iron and a little lead. Should you be uncomfortable and unfamiliar with electronic works, perhaps your best bet would be to seek the services of a qualified professional.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

May 11, 2008 | Acer Aspire 3680 Laptop

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