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Laptop Intermittent Battery Charging Fixed

By Jestine Yong on August 24, 2015

I have got one laptop with intermittent battery charging problem. The customer said while he was operating laptop suddenly the brightness of laptop screen turned dim and at the same time the battery stop charging.

Just to confirm the problem I connected the laptop for inspection and I observed while moving power adapter, the above symptom does happened. So this could be problem either with adapter or with laptop DC socket. Further test I concluded that it was the power adapter problem. By wiggling the power adapter cable I could know at which part of the cable was broken internally. The problem was near to the output dc jack. I then cut open the insulation rubber and found that the internal DC wire had a small cut causing it to touch on the outer ground wire.

Since I do not have the spare DC output jack with me, I had to try repair the broken cable. The things that you need are:

Sharp blade
Heat shrink tube different sizes.
Cigarette lighter
And of course soldering material.

First of all cut the cable to required length.

Now final step:

With this final touch up your device is ready to work. After the process I have plugged the adapter to the laptop and it starts working without problem.

This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.

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Note: You can check out his previous repair article in the below link:

https://www.jestineyong.com/safe-soldering-iron-stand/

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laptop repair

17 Comments

Robert Calk

August 24, 2015 at 12:49 pm

Good job, Yogesh.

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- Yogesh Panchal
  
  August 25, 2015 at 3:44 pm
  
  Thank you sir,
  
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  - Eli
    
    March 24, 2019 at 9:31 pm
    
    Couldn't you just have insulated the wire from the ground with some insulating tape?
    
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Allan

August 24, 2015 at 2:51 pm

Easy and quick diagnosis. Keep it up Yogesh!!!

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- Yogesh Panchal
  
  August 25, 2015 at 3:44 pm
  
  Thank you Allan.
  
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Gerald Millward

August 24, 2015 at 4:36 pm

Excellent repair Yogesh. I find this is not an uncommon problem and keep a small supply of the two most popular sizes of replaceable plugs in stock, obtained very cheaply from a supplier in China. However, I note eBay India has them, offered for example by rptechindia at 10 for Rp.140. Do an eBay search for power jack plug.

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- Yogesh Panchal
  
  August 25, 2015 at 3:51 pm
  
  I had tried it in past but Pin's inner diameter is not matching and pin size vary on each Make & Model for ref.just follow the site.
  http://www.ebay.com/gds/How-to-Buy-Replacement-Laptop-Power-Chargers-/10000000177329931/g.html
  
  thanks for comment.
  
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Waleed Rishmawi

August 24, 2015 at 7:58 pm

i keep a stack of variety laptop power plugs in my shop. these kind of plugs they go bad very often and very important to keep such plugs in your repair shop. the plugs that I have includes the power wires as well. actually I am not changing the plug only but the whole wire including the plug. they are very cheap to buy my county. thanks for sharing your repair article. keep up the good work

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- Yogesh Panchal
  
  August 25, 2015 at 3:55 pm
  
  Waleed thanks for comment.
  after so long time you are on air.
  
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Merlin Marquardt

August 24, 2015 at 8:57 pm

Very good.

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- Yogesh Panchal
  
  August 25, 2015 at 3:59 pm
  
  Glad you like it.
  Most of my articles are for new comers so that they can follow the procedure easily.
  
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Humberto

August 25, 2015 at 12:26 am

Good repair Yogesh, and keep up

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Biruk Aweke

August 25, 2015 at 3:31 pm

good repair and nice explanation .keep up.

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Yogesh Panchal

August 25, 2015 at 3:59 pm

Humberto,
Thanks for comment.

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Chris

August 27, 2015 at 6:47 pm

Thanks for sharing Yogesh, keep it up!
My best regards.

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- yogesh Panchal
  
  August 28, 2015 at 12:46 am
  
  you are welcome Chris.
  
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Mark Tembo

May 5, 2016 at 4:07 pm

I have a Sony Laptop, model No. PCG-7134m. I am failing to remove the Key board. Could any one there help me?

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