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Latitude 9430/Latitude 9430 2-in-1 Service Manual

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Removing the WWAN card

Prerequisites

  1. Follow the procedure in Before working inside your computer.
    NOTE Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your computer.
  2. Remove the SD card.
  3. Remove the SIM card tray.
  4. Remove the base cover.

About this task

The following images indicate the location of the WWAN card and provide a visual representation of the removal procedure.

Removing the WWAN card

Steps

  1. Loosen the single captive (M2x3) screw securing the WWAN-card bracket to the system board.
  2. Lift the WWAN-card bracket out of the system.
  3. Disconnect the antenna cables from the connectors on the WWAN card.
  4. Using a plastic scribe pry open the WWAN card shielding cover from the bottom edge of the WWAN card shielding cover.
  5. Using a plastic scribe, pry open the WWAN card shield covering the WWAN card.
  6. Lift the WWAN card shielding cover out of the system.
  7. Slide and remove the WWAN card from the WWAN-card slot.
    NOTE If any of the two thermal pads located underneath the WWAN card gets detached, adhere it back to the system board.

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