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Maybe your DC Power Jack which is where the power cord plugsinto the computer is bad. Take an ink pen and push the tip inside thejack and see if the little pin wiggles, if so the jack is bad. You'll have totake the laptop apart to fix it. Most times it is soldered onto themotherboard, so you will have to desolder the old and solder a new one.
The tv a/c power cord have internal damages short on the head of the a/c plug itself.This work job is pretty simple if u can do a basic soldering jobs and have tools like a soldering iron and a roll of solders.Look around in ur house for a table portable lamp u don't used anymore unsolders and take that portable lamp a/c power cord.It have very simular design and make of a power a/c cord.Take the tv aparts simplely just unsolder the old tv power a/c cord and replace it with a portable table lamp a/c power cord.Those stars srews on the tv are called Allan wrench screws,must a have a set of Allan wrench screws drivers to use take out this screws out of the tv.Some ealier DLP tvs set made by GE are using these Allan wrench screws,tries to make it much more difficult to take the tv aparts as GE they're trying not to allow tvs owner to take the tv aparts.Or have any friend to help u can do it,have a soldering iron,a rolls of solders,have basic soldering skills.A Allen wrench screws drivers set u can buy it anywhere in a hardware store.
The charging cord isn't the problem here. I've seen this a few times on laptops, and the fix isn't achievable by anyone other than an expert. The problem is the power socket that's soldered to the motherboard is loose (when you plug the charging cord into the computer, you're actually plugging it into the power socket attached to the motherboard). To fix it requires that socket to be re-soldered to the motherboard. I recommend consulting a professional computer repairman.
I had the same problem with my amp. you need to re solder or replace and re solder one of your jacks. Most likely the JK1 the jack that you plug your guitar chord into. If you take your amp apart you can wiggle the jack, it probably just needs to be re soldered onto the board, very easy fix. (Be careful with the IC4 chip connecting the holder plate, its very common to break the pins during the repair process. Just unscrew it from the metal plate and that will keep it from wiggling and breaking off). I found a web site that sells the JK1 jack for like 5 bucks but you can prob. contact Korg in NY and order the part or have a guitar shop order it for you. Good Luck!!
There are two places the trouble can be happening, at the adapter plug or at the power jack in the laptop. To determine which one is causing the power loss, hold the plug in the computer steady with your fingers while you wiggle the adapter cable. (If you have access to a voltmeter you can measure the voltage at the plug while you wiggle the cable to see if remains steady.)
If the charge light flickers it's the adapter cord that's bad. Because the wire flexes so much at the plug, it can break inside the insulation and cause the power loss. You either need to replace the adapter or repair it by cutting off the bad end and installing a new plug.
If the charge light remains on with the plug held steady but flickers when you wiggle the plug itself, the trouble is on the main board in the computer. The solder connections at the power jack have broken from the plug flexing and need to be repaired. This involves opening up the computer and getting at the solder side of the main board. It's tedious but relatively simple. If you are not experienced with soldering on small electronics, leave this to a professional shop.
Either the battery is bad and not holding a charge, or the laptop's power jack needs to be repaired. Try this check.
Take out the battery and plug in the power adapter. Turn on the laptop and see if it operates normally. Gently wiggle the power plug and see if the power indicator on the computer remains steady. If it does, you should replace the battery. If the power light flickers as you wiggle the plug, the power jack in the computer needs repair.
It's a common problem for the power jack connections on the motherboard to break because the power plug gets flexed. When this happens, power doesn't get in from the charger to run the laptop or charge the battery. These connections can be repaired, but it means taking the computer apart to get the main board out to make the repair. Also, in some cases the board may be damaged by arcing and heating from the bad connections and may not be repairable. Usually resoldering the bad connections fixes the trouble.
A computer service shop could give an estimate for the repair. When I worked at a shop our repair charge was about $75 (I think; it's been over 5 years now). If you have electronic soldering skills and the right tools you could try the repair yourself. Several videos on youtube show the procedure for taking apart the computer to get the board out.
Hope this has helped you. If so, please take a moment to rate my solution. Thanks for asking here!
lala linda is right. . . repairing the power pin isn't that expensive ... In fact I've fixed some myself and it's really not that hard. It is time consuming and tedious to make sure that all the bits and pieces fo back in the right place. Take some pix as you take it apart and you will find that's it much easier when you go to re-assemble the unit. btw . . . The power pins are available on the net for $ 10 or less usually.
Also . . .Once you get it fixed get a Cable retention device to make sure you don't damage the pin a second time. Personally I recommend (and use) this one.
If the outlet is good and the cord is giving power out - It must be dead. That is all anyone can tell you with what you have stated.
Unless the power plug on the laptop has broken loose.
Sounds like your power plug has come desoldered. This
is internal and will have to be taken apart to repair. If you are comfortable
with taking it apart you can repair it yourself. If you have not ever
soldered anything before or taken a laptop apart before you need to have
someone else do it.
If you decide to do it yourself you will need the instruction manual to locate
all of the screws. You will need a soldering iron and a camera along with
a pencil and paper to draw a diagram and take notes. Laptops have a
lot of fragile parts in them that will break. Do not do this if you do
not know how. This is something that a qualified tech should
do. You will see the plug and you will need to re-solder it
back onto the board. One wrong move and you could damage the entire
computer. If you try to do this yourself you are on your own and I am not
responsible nor is anyone else.
I've fixed a couple and finally resorted to using a cable retention device like the one in this video to stop the constant tugging and jerking that seems to cause the failures. PS the design of the pins/sockets is really shabby.