Latitude 7455 Owner's Manual

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Removing the coin-cell battery

CAUTION:The information in this removal section is intended for authorized service technicians only.
CAUTION:Removing the coin-cell battery clears the CMOS and also resets the settings of the BIOS setup program to default. It is recommended that you note the settings of the BIOS setup program before removing the coin-cell battery.

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card if applicable.
  3. Remove the base cover.

About this task

The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure.
Figure 1. Removing the coin-cell battery
Image: Removing the coin-cell battery

Steps

  1. Using the pull tab, disconnect the I/O-board cable from the connector (JIO1) on the system board.
  2. Remove the I/O-board cable from the routing guide on the palm-rest and keyboard assembly.
  3. Disconnect the coin-cell battery cable from the connector (JRTC1) on the system board.
  4. Remove the coin-cell battery cable from the routing guides on the palm-rest and keyboard assembly.
  5. Peel the coin-cell battery along with its cable off the palm-rest and keyboard assembly.
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