Even if you replace the broken PA3468U-1ACA AC Adapter jack with a new one, it will not stay attached to the base. If you send a laptop with a damage like that to a repair shop, they will recommend replacing the power jack harness and laptop base. This repair will easily cost over $200 but I have a better idea how to fix it for $3 without replacing the base assembly.
You can plug the computer in and wiggle the PA3468U-1ACA AC Adapter end to see if there is a visible crack. Mine had a visible crack when i pushed the cord end down. The picture above, however, was taken after I fixed it, so I have no pics of the crack.
Ok, so now you have to fix the PA3468U-1ACA AC Adapter. This is extremely easy. If you have ever soldered, you can do it. Take the laptop apart. I used this guide here which is really good. Just get the main board out so you can solder on the bottom of the jack.
PA3468U-1ACA AC Adapter connector broken:
In other cases, the DC-IN power jack is OK but the laptop base is broken. The power jack mounts between two plastic brackets inside the case. If one of the brackets is broken, the DC-IN power jack will not seat correctly.
PA3468U-1ACA AC Adapter socket not seated properly:
In some cases it happens because the DC-IN power jack gets broken.By the way, if your laptop is still under warranty, dell might fix this problem at no charge. Call them first or take the laptop to the authorized repair center.
If this modification works for you, please mention the laptop model in the comments. More information about laptop accessories, including laptop ac adapter, visit HOOTOO.
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