Question about Toshiba A75-S125 Satellite Notebook

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Power Port Damaged

I have a Toshiba Satellite a75-s125 and it seems the port where the power cord goes is damaged. Is it possible to replace it?

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YES it's simple and CHEAP... But you will not be able to do it yourself, unless your power jack is like most IBMs where it's all screw in or unless you are very good at soldering... If it's the kind that needs to be soldered, you will need to take it to an electronic tech guy who can SOLDER it for you...

But first, check and ORDER the correct POWER JACK for your Toshiba laptop from EBAY, it's cheap, maybe under $10 bucks... Then pay the tech to solder it for you, maybe another $20 buck... It's that simple...

Here is the link to your POWER JACK and YES it needs to be SOLDERED on... Good Luck...

http://cgi.ebay.com/DC-Power-Jack-Toshiba-Satellite-A70-A75-A79-M30X-M35X_W0QQitemZ300260358094QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item45e8e977ce&_trksid=p4999.c0.m14

Posted on Sep 26, 2009

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AC adapter, Model PA-1121-08 for Toshiba Satellite A75 laptop PA 3290U-2A2CPA3290E-2A2C Input 100-240V 2.0A Output 19 V, 6.3A Power goes on and off as if there is a short in it, if I bend the...


The correct (political) answer is that your should ALWAYS replace power cords.

Today's computers power supplies have two parts, the wall plug, 3 prong, and the transformer with the "PORT" plug for the laptop.

The 1st part, you can buy new or a qualified technician can splice out the bad part.
The second part, is usually a DC (direct Current) cable with special grounds and insulation. The molding that houses the electrical wires is not accessible to consumers for that very reason. If you have to bend the cable to make the connection, then the plug is clearly defective and SHOULD be replace. In a pinch, depending on how far the break is on the plug, it might too be spliced.

Replace it as soon as possible.

Sep 29, 2010 | Lite On Computers & Internet

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Hi my toshiba wont turn on the power button would be on but i think its the cord is not connecting to the computer right .. what should i do ?


check if the port or the adapter is damage
if the port, need to send to depot, if adapter, means it need replacement

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My Toshiba L10 will not switch on the power supply is ok and plugged in and there is a blue light on to say power cord is connected but still will not power up, any ideas?


Do you have a known good ac adapter to try it with? Or is that ac adapter you were saying lights on powering on a different computer?Try to test both to check the functionality of the ac adapter and the port. If ac adapter will work with a different pc, then possibly the port is damaged. You may need to replace the motherboard. If still it wont turn on, then you may just need to replace the ac adapter.

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Can't charge battery


Remove the battery and try if the PC turn on connecting to direct currrent.
If it turn on (whitout battery), the issue should be a connector problem or a damaged internal recargher.

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Screen black & with no power


hi there,

you can follow this instruction and try to your laptop to resolved the problem.

A bad connection between DC-IN power jack on the system board and the system board is a very common problem with Toshiba Satellite M35X and Toshiba Satellite A70/A75 notebooks. If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN jack on the system board. If it’s still under warranty, it would be fixed at no charge to you.
Problem symptoms:
  1. Laptop randomly shuts down without any warning.
  2. Power LED and battery charge LED start flickering when you wiggle the power cord or the AC adapter tip on the back or your laptop.
  3. The battery will not get charged.
  4. When you plug AC adapter, the laptop appears to be dead and there is no LED activity at all (DC-IN jack on the system board is broken).
To fix the problem, you have to take your laptop apart, remove the system board to resoleder or replace the DC-IN jack. Toshiba Satellite M35X and Toshiba Satellite A70/A75 disassembly guides will help you to remove the system board. Take a closer look at the power jack on the system board with a magnifying glass. In most cases you get the power problem because of a bad connection between the DC jack and the system board, you’ll see a crack between the DC jack connector and the system board.
Here is an example of Toshiba Satellite M35X power jack. The crack occurs between the DC jack pin and the system board.
satellite-m35x-crack.jpg satellite-m35x-contact.jpg In some cases the connection is good, but the DC jack is bad itself. You can find a new DC jack for Toshiba Satellite M35X and Toshiba Satellite A70/A75 laptops here. Search for DC jack M35X or DC jack A75.
How to resolder laptop power jack yourself.
UPDATE:
Sometimes, after you replace the jack, you can see that the system board doesn’t get power at all. The battery will not charge and the power LED will not light when you plug in the AC adapter. So, here’s a possible explanation.
When a connection between the positive pin and the motherboard breaks (cracks), the power jack gets loose. You can feel it when you plug in the adapter plug. A loose power jack can damage the trace inside the hole in the system board. Take a look at the picture.
power-jack.gif As you see, the positive pin goes through the hole in the system board and you solder it on the top side. Right? What if the trace between the top side and the bottom side is broken somewhere inside the hole? I’ve seen it before a few times. In this case everything looks nice and clean on the top side. When you plug in the AC adapter, you get normal voltage readings between “+” and “-“ pins on the top side, but the power DOESN’T go to the motherboard at all, because there is no connection between the top and bottom sides. Test with a multimeter if there is a connection between the top and the bottom.
If the trace inside the hole is broken you still can fix it. You can run a wire to connect the top and the bottom sides. Be careful not to short something on the board.
Update:
Here’s another solution to fix the power jack problem, it shows how to relocate the power jack outside the laptop base. Check it out here: Toshiba Satellite A75 failed power jack workaround.
When you repair a loose power jack, it’s a good idea to check the jack on both sides of the motherboard. When you remove the top cover from a Toshiba Satellite A70/A75 laptop you can see only points where the jack is soldered to the motherboard as it shown on the second picture in this post, but you cannot see the jack itself as it shown on the first picture.
Removing the motherboard from Satellite A70/A75 laptop is a good idea because the jack itself might has a broken “+” pin, as it shown on the picture below. If the “+” broke off the base, you’ll have to replace the jack.
power-jack-broken.jpg

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Toshiba Satellite A75 Driver

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Good Luck/Please dont for get to vote.Thank You.

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There should be some loose connection or a broken power cord. You may have warranty for the laptop and accessories, replace immediately

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