Is it possible to repair laptop charger

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Is the pick Up and delivery Service Safe. Hope this might help some a ya, that are in dire straits with you computer power supply cord! Good luck and be careful! After sitting for about a day unplugged I found out the hard way that the caps wern't discharged even after shorting the low voltage output. I took the shielding off to get at where the cable plugged in with the soldering iron and got a decent shock, there was still enough charge left to burn a hole in the table afterwards too.

That being said if your still keen for anyone struggling to get into the box I found using a little petrol as a solvent worked really well by just running some down the seams, nail polish remover would likely work too just leave it to sit afterwards until it all evaporates as the last thing you want is an explosion too.

I tried unplugging the bat and plugging in cord but nothing. Can u help please. Same happened to me a few times. The problem is the cable which is often rubbish and it over time breaks somewhere.

The cable should never be soldered inside the charger There should be a separate plug to plug in the cable that goes to your computer, as the charger is in good condition. The cable is the problem. Reply 5 years ago. Ok so blood sacrifices being out of the realm of possibility dombert, the point was well taken.

After drilling feet out looking for screws, banging the glue seals with hammer softened inside towel I rang out the both cables while twisting them, continuity ok, opened unit, green LED never lights, no voltage out to type of.

Guess it's a goner. Its pretty dangerous. Did it work for you afterward? I expect it did. My hp power adapter didn't work before and i didn't repire it. I bough a new one from eachbattery. It is a great source for OEM chargers if you can find them. Use your discretion as far as how to open your power brick, but the majority I have encountered were either glued or welded. To open a glued or welded power brick, begin by securing it in a vise or with a clamp.

Now, using a sharp utility knife make repeated cuts along the seam until you have cut through the outer plastic shell. It's important to stop cutting as soon as you are through the plastic so as to not damage the electronics. Take your time. Patience pays off big on this step. I typically spend at least 15 minutes carefully cutting through the entire seam. I focus on one side of the brick at a time. Also, I have never had to cut around the low voltage cable or the high voltage cable connector.

Just stick to cutting the long, horizontal seam on all 4 sides. Now that you have cut through the entire seam, use a flat screwdriver to pry off the top half of the plastic enclosure from the power brick. If you were patient and took your time cutting this step should be easy. With the top removed, separate the bottom of the plastic enclosure from the power brick.

Set the entire plastic enclosure to the side for later. You should be left with a bare power brick. Use your soldering iron to desolder the remaining piece of low voltage cable from the power brick. There should be 2 connections to desolder.

Remove them 1 at a time and be sure to note which color wire goes where. For this example the connections are circled in yellow. Be careful to not touch anything else! If you are particularly driven you can attempt to salvage the strain relief from the piece of low voltage cable we just removed by carefully cutting along its long axis with a utility knife.

If you do reclaim it, don't forget to install it on the good low voltage cable before closing the plastic power brick housing. Find the good section of low voltage cable that we set aside in an earlier step and strip about 1" of the cable jacket from the inner conductors.

The easiest way to remove the jacket is to carefully cut around the circumference of the cable with a utility knife then pull the jacket off and discard.

It's likely around 16 AWG wire. For this low voltage cable there is only 1 insulated conductor. Finally we can solder the good section of low voltage cable back into its contacts on the power brick.

Be sure to connect the correct wire from the cable to the correct pad on the power brick. Place the power brick into the bottom of its plastic enclosure. Fixed, flexible and fun! Share this idea. Related Articles Blog Joanne - the world's most inspiring canoeist?

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