Lenovo IdeaPad Flex 3 CB 11M735 Charging Port Replacement

ID: 160449

Description: The charging port is one of the most frequently...

Steps:

  1. Shut down your Chromebook completely. Unplug the charger and anything else connected. Flip the device over and place on a flat surface.
  2. Use a T6 Torx screwdriver to unscrew the nine M2 x 6.5mm screws.
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  3. Using a plastic spudger, carefully lift the palmrest from the bottom cover.
  4. Be careful while removing the keyboard, and unplug the connections.
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  5. Remove the seven 4.5 mm screws using a Phillips #00 screwdriver.
  6. Disconnect the display cable from the motherboard.
  7. Remove the display from the laptop.
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  8. Remove the eight 4 mm screws from the motherboard using a Phillips #00 screwdriver.
  9. Each screw securing the motherboard is marked with a small triangle, which helps identify the correct screws for reassembly, as some holes require multiple layers to be screwed together.
  10. Disconnect the ribbon cable from the motherboard.
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  11. Remove the motherboard from the laptop.
  12. Plug in your soldering iron and set it to approximately 350°F.
  13. Be cautious to avoid burns, and always use a proper stand. Keep the soldering iron away from flammable surfaces.
  14. Flip the motherboard over and carefully desolder the small holes using the tip of your heated soldering iron. This will melt the solder, allowing you to remove the USB-C port.
  15. Position the new USB 3.1 Type-C 16-pin female connector in place, then reheat the solder to secure it to the motherboard.
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