Latitude 7420/Latitude 7420 2-in-1 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 microSD card.
  3. Remove the base cover.
NOTE:If the battery is disconnected from system board, there is delay during computer boot as the computer undergoes RTC (Real Time Clock) reset.

About this task

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

Disconnect the battery cable.

Remove the screws and remove the battery.

Steps

  1. Disconnect the battery cable from the system board.
  2. Disconnect the speaker cable from the speaker board and release the speaker cable from the routing guides over the upper right side of the battery.
  3. Remove the single (M2.5x4) screw and loosen the four captive screws that secure the battery to the computer.
  4. Lift and remove the battery from the computer.
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