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Inspiron 15 3521 Service Manual

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Removing the 3-cell battery

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the secure digital card.
  3. Remove the base cover.

About this task

The following image indicates the location of the 3-cell battery and provides a visual representation of the removal procedure.

Image of removing the 3-cell battery

Steps

  1. Remove the three screws (M2x3) that secure the 3-cell battery to the palm-rest and keyboard assembly.
  2. Lift the 3-cell battery along with the battery cable off the palm-rest and keyboard assembly.
    NOTE: Before removing the 3-cell battery, disconnect and remove the hard-drive flexible flat cable from its connector on the system board to avoid tugging of the 3-cell battery on the hard-drive flexible flat cable.
  3. Disconnect and remove the battery cable from the 3-cell battery.

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