Latitude 7420/Latitude 7420 2-in-1 Service Manual

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Installing the 3-cell battery

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 battery and provides a visual representation of the installation procedure.

Install the battery.

Connect the cables.

NOTE:If the battery is disconnected from system board, there is delay during computer boot as the computer undergoes RTC reset.

Steps

  1. Align and place the battery into the computer.
  2. Install the single (M2.5x4) screw and tighten the four captive screws to secure the battery in place.
  3. Connect the speaker cable to the speaker board and reroute the speaker cable into its routing channel over the upper right side of the battery
  4. Connect the battery cable to the system board.

Next steps

  1. Install the base cover.
  2. Install the microSD card.
  3. Follow the procedure in after working inside your computer.
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