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Inspiron 7405 2n1 Service Manual

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Installing the power-button board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

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

Image: Installing the power button with fingerprint reader

Steps

  1. Align and place the power button, along with its cable, on the slot of the palm-rest and keyboard assembly.
  2. Slide the power-button cable into the connector on the fingerprint reader-board and close the latch to secure the cable.
  3. Connect the fingerprint reader-cable to the connector on the I/O board and close the latch to secure the cable.
  4. Connect the I/O-board cable to the connector on the I/O board and close the latch to secure the cable.
  5. Adhere the tape that secures the I/O-board cable to the I/O board.
  6. Align the screw holes on the power-button bracket with the screw holes on the palm-rest and keyboard assembly.
  7. Replace the two screws (M2x3) that secure power-button bracket to the palm-rest and keyboard assembly.

Next steps

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