How to Repair the Power Jack Pins on a Dell Inspiron

Written by jim connor
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How to Repair the Power Jack Pins on a Dell Inspiron
Rough handling of the power plug can damage the pins on any computer, including a Dell Inspiron. (plug it image by Kwest from Fotolia.com)

Laptop are powered by a series of pins attached to the DC jack. The power adaptor plugs into the jack and cannot provide electricity to the computer if one of the pins is broken or dislodged. You will need experience soldering to repair the pins on a Dell Inspiron. If you have never used a soldering iron on small electronics, take some time to practice. You must disassemble the laptop before beginning these repairs.

Skill level:
Easy

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Things you need

  • Soldering iron
  • Desoldering pump or copper braid
  • Pliers
  • Rosin-core solder
  • Continuity tester

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Instructions

  1. 1

    Heat up one of the solder joints that hold the jack to the motherboard with the iron. When the solder liquefies, remove as much as possible with the pump or the braid. Repeat this procedure for each pin, until you have removed as much solder as possible.

  2. 2

    Inspect the jack pins on the bottom of the motherboard and where they connect to the jack. If they are damaged, you will need to bridge the connection with fresh solder.

  3. 3

    Use the pliers to gently remove the jack from the motherboard. If the jack is stuck, heat the stuck pins with the iron to help dislodge them.

  4. 4

    Apply rosin-core solder to the damaged pins. Use as little solder as possible to avoid making it more difficult to reinstall the jack,

  5. 5

    Use a continuity tester between the plug of the jack and the pins to ensure the solder fixed the break. The centre pin of the jack plug is positive; the outer area, where the sheaf of the power adaptor touches the jack, is negative.

  6. 6

    Place the jack into the mounting holes and apply some fresh solder to the pins to reestablish the connection between the jack and the motherboard.

Tips and warnings

  • You may want to practice soldering by attempting to connect two small wires before attempting these repairs.
  • Work on a flame retardant surface to prevent a fire hazard.

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