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Trying to take off the back cover of laptop ,, to change the power jack?

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  • ckdm44 Sep 30, 2009

    acer aspire 1460

  • ckdm44 Sep 30, 2009

    1640

  • Chip
    Chip May 11, 2010

    make and model please

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Generally, the power jack is mounted to the motherboard. Replacement of the jack in most instances requires nearly complete disassembly of the system. Post you exact system model and I'll try and find the service documentation

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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Loose power connection on motherboard of Satellite L640D-ST2N01


Toshiba Satellite laptops often have problems with their power connections becoming loose and losing contact between the positive pin on the DC power jack and the motherboard. Laptops are not designed to operate on the battery when the AC adapter is plugged into a viable power outlet. You will have to disassemble your Toshiba Satellite laptop to repair this problem. This task requires a thorough knowledge of laptop repair and safe soldering practices.

1. Disassemble your laptop according to the instructions for your specific Toshiba Satellite laptop model. Cut the plastic supports off the base assembly with a knife.

2. Cut off the plastic wall that encircles the mount opening with the knife. Extend the circumference of the hole by carving it open with the knife to make it wide enough for the new jack.

3. Bring the ends on the negative lead for the jack together and cover the ends with solder.

4. Remove the original DC power jack and trim the wires from the jack box with the knife, until they sit close to the edge of the jack box. Use the knife to strip the wires. Use your fingers to twist the wires together, and then coat the point where they meet with fresh solder. Locate the positive wire -- it is either red or green. Plug this wire into the positive lead on the new jack, and then find the negative black wire and attach it to the negative lead on the new jack.

5. Place the new power jack in the base, keeping enough extra space available for the plastic laptop cover and right speaker to fit back in later. Cover the negative and positive leads with the electrical tape, and then manually rotate the nut on the power jack clockwise until it will go no further.

6. Figure out which walls will stand in the way of the power jack after you secure the plastic laptop cover. Cut these walls out with the knife. Reverse the disassembling instructions you followed previously to put your laptop back together.

Dec 01, 2013 | Lifetime Toshiba Satellite L640DST2N01...

1 Answer

My acer aspire 3680 could not power on by bat and adaptor


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 08, 2010 | Acer Aspire 3680 Laptop

1 Answer

Trying to take cover off to fix a problem with the power cord. It has pushed into the laptop


Your problem means that the DC Power Jack attached to the motherboard has broken away from it where it was soldered. It's not an easy repair because it probably has to be replaced with a new jack which must be soldered back in place.

There are a number of good vendors on eBay (whom I use frequently when my laptop repair customers experience this). Go to eBay's home page and type in "Laptop Power Jack Repair). A number of choices will come up. Pick a vendor with a high % rating and who charges a FLAT RATE. You should expect to pay about $100.

Regards

MAGT

Oct 01, 2010 | Acer Computers & Internet

1 Answer

Acer 5570z will not boot up or turn on


It could be one of the following:
1. Bad/damaged power jack.
2. Bad 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.

Sep 26, 2010 | Acer Aspire 5570-2067 Notebook

1 Answer

Computer will not power up. No problems before Turning off


It could be one of the following:
1. Bad/damaged power jack.
2. Bad 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

Sep 26, 2010 | Toshiba Satellite A215-S4747 Notebook

1 Answer

I have an acer aspire 7720g and recently it has been changing from battery to charged by itself, i know this because the battery icon appears in the tool bar. When it does this the power button goes to...


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 | Acer Aspire 7720 Notebook

1 Answer

Socket of my laptop has broken where we connect our power supply..still we can charge it if we connect through some angles....if we need 2 change the whole board..or can replace the socket only...how much...


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 05, 2010 | Toshiba Satellite A100-S8111TD Notebook

1 Answer

Acer 5610 DC jack problem - need to dismantle laptop


The solider tends to loseen up on the power connection.Make sure all screws are removed some are under the covers on bottom of laptop slightly pry the top up where ever it seems to be holding look for a screw underneath where its holding.if all screws are out it should come off fairly easy.

Oct 05, 2009 | Acer Aspire 5610-4648 Notebook

1 Answer

The jack for the power cord has fallen inside dell inspiron b 130


********** REMOVE ALL SOURCES OF POWER**********turn off all power wait about 30 mins remove cover and look for the jack put it back in place and replace cover.....

Jul 30, 2009 | Dell Computers & Internet

1 Answer

1/3 screen is blank and loose power jack


The LCD needs to be replaced. As for the D/C Jack its the sort of laptop an engineer would have to play by ear. Or in otherwords work it out as they go along. Try removing all of the screws that you can find and be careful that you know where the screws go back afterwards. You might need to flick the hinge covers off to access the rest of the laptop. They also tend to have plastic clips all around them.

Aug 28, 2007 | Averatec 3200 Notebook

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