Browse for the technical manual. They give step by step instructions on how to get into and fiddle with the machine. Really meant for techno types but if you are confident you can handle it. BTW power connection problems are rarely caused by the first entry point ie the Jack. Make sure you are barking up the right tree.
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Re: Replace power jack plug
Hi there, open up the laptop and look at the power jack should be a parts # on the unit will make finding a replacment easier. as far as replacing one its simple but on that model you will have to desolder/solder to replace it.
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WOW, not such a easy fix. Lots of screws, tricky to open. HP Laptop Power Jack eBay Make sure you get the HP model number off of the Jack socket - It will be labled. Good luck and have a great day. Jack shown may not be the same to your model of laptop.
Wish i could give you better news, but more then likely the entire main board will have to be replaced.
It is possible that the power jack may just need replaced, or re-soldered. If you are lucky enough to have a model of laptop that has a separate board for the power jack then can go for around $60, the jacks them selves a few dollars. That said assuming that the battery had somewhat of a charge it should have powered up regardless.
Best advice I can give you is to replace the main board, and keep in mind that there is a reason most of us avoid refurbished hardware.
Your problem is that the power jack in your actual laptop is loose. it may not seem like it is but one of the 3 connections (positive, negitive, data) that hold the jack to the board broke. In this case its the data connection that tells the laptop what kind of adapter is plugged in, and dell laptops wont charge without knowing that. Solution-
1.Pay someone to replace the power jack
2. If you can solder, by a new jack (around $5) and disassemble the laptop and replace it yourself.
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.
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.
you have to remove the screen from the laptop (in most cases) open the lower plastic case ,lift out the otherboard,carefully de-solder the dc-jack and then solder in a new dc-jack,and the re-assemble the whole thing.