How to Repair the Charging Port on a Dell 1525

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Your Dell Inspiron 1525 laptop is rendered useless without a working charging port or DC power jack. The power jack is where the main power cable connects to your computer and charges the battery. After an extended period of repetitively disconnecting and connecting the power cord, the charging port's connectors will wear out. Repairing the charging port requires that you completely dismantle the laptop, remove the motherboard and re-solder the power jack. Performing this procedure yourself will void your Dell laptop's service warranty.

Things You'll Need

  • Phillips-head screwdriver
  • Flat-head screwdriver
  • Soldering iron
  • Solder
  • Antistatic wrist strap
  • Shut down the Dell laptop, unplug the power cable, pull the display panel closed and place the laptop face down on a flat surface.

  • Rotate the computer so the front opening is facing you. Remove the battery pack from its compartment on the bottom side of the laptop.

  • Remove the single Phillips screw securing the DVD drive to the upper-left corner of the laptop's bottom side. Pull the drive through the compartment slot on the left side of the laptop's case.

  • Unscrew the two Phillips-head screws mounting the hard drive to its compartment on the right side of the laptop. Pull the hard drive out of its compartment, and set it to the side.

  • Remove all remaining screws from the laptop's bottom side. This includes the two, small Phillips-head screws from inside the empty battery compartment. Flip the laptop over and pull open the display panel as far as possible.

  • Pry the plastic keyboard cover out of the laptop with a flat-head screwdriver. Remove the cover from the laptop.

  • Remove the two Phillips-head screws from the keyboard assembly. Lift the keyboard out of the laptop slightly, and unplug the keyboard's ribbon cable from the motherboard. Set the keyboard to the side.

  • Pull the display panel closed, and flip the laptop over. Remove the memory compartment and its eight retaining Phillips-head screws from the center of the laptop. Pull apart the retention clips on each side of the exposed memory modules. Tilt each module upward and slide each module out of its individual memory socket.

  • Disconnect the two antenna cables from the wireless card inside the memory module compartment. Remove the card's retaining Phillips screw, tilt the card upward at an angle and remove the wireless module from the laptop.

  • Place the laptop face up again and pull open the display panel. Disconnect the main LCD video and camera cables extending from the display panel to the motherboard. Unscrew the two Phillips-head screws from each display hinge. Remove the display panel from the laptop's base.

  • Unscrew the two Phillips-head screws mounting the computer's main top cover to the base of the laptop. Lift the cover off of the laptop slightly, and unplug all cables extending from the top cover to the motherboard. Remove the top cover from the laptop's base completely.

  • Place the laptop face down again. Remove the eight Phillips screws mounting the processor cooling assembly inside the vacant memory compartment. Lift the cooling assembly out of the laptop to reveal the processor chip.

  • Turn the processor chip's flat-head locking screw in the counter-clockwise direction one-half turn. Lift the processor out of its socket and set it aside.

  • Place the laptop face up, disconnect all remaining cables from the motherboard and remove the remaining Phillips screws mounting the motherboard to the base enclosure. Carefully lift the entire motherboard out of the laptop. Place it face down on a padded surface.

  • Locate the black charging port attached to the upper-left corner of the motherboard's bottom side. Examine the soldered connectors port. If the port is no longer working, chances are high that the solder is damaged or cracked.

  • Plug in your soldering iron and let it heat up for about 10 minutes. Use a wire brush to remove the excess solder on the tip of the iron. Touch some fresh solder to the iron's tip until the tip is completely covered in fresh solder. This process is called tinning and allows for more effective soldering.

  • Touch the tip of the tinned and heated solder to the power jack's connectors on the motherboard. Do this until the solder on each connector is completely removed.

  • Hold some solder over each of the power jack's connectors. Touch the heated soldering iron to the solder until it melts and connects each of the power jack's connectors to the motherboard.

  • Reverse the disassembling procedure to put the laptop back together.

Tips & Warnings

  • Wear an antistatic wrist strap while dismantling your laptop. This prevents serious electrical damage to your motherboard and attached computer parts.
  • Be aware of how and where you're holding the soldering iron. If you accidentally bump the motherboard with a heated soldering iron, it is likely to burn a hole through the board and cause irreversible damage.

References

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