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Inspiron 7405 2n1 Service Manual

PDF

Removing the power-button board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the base cover.
  3. Remove the heat sink.
  4. Remove the fan.

About this task

The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the removal procedure.

Image: Removing the power button with fingerprint reader

Steps

  1. Remove the two screws (M2x3) that secure the power-button bracket to the palm-rest and keyboard assembly.
  2. Lift the power-button bracket off the palm-rest and keyboard assembly.
  3. Peel the tape that secures the I/O-board cable to the I/O board.
  4. Open the latch, and disconnect the I/O-board cable from the I/O board.
  5. Open the latch, and disconnect the fingerprint reader-cable from the I/O board.
  6. Open the latch, and disconnect the power-button cable from the fingerprint reader-board.
  7. Lift the power button, along with its cable, off the slot on the palm-rest and keyboard assembly.
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