Dell 9478N User Manual

Removing and installing coin-cell battery
Removing the coin-cell battery
WARNING: This computer contains a coin-cell battery and requires trained technicians for handling guidance.
CAUTION: Removing the coin-cell battery will clear the CMOS and will reset BIOS settings.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the side 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 5. Removing the coin-cell battery
Steps
1. Push the coin-cell battery-release lever on the coin-cell battery socket (RTC) to release the coin-cell battery out of the
socket.
2. Remove the coin-cell battery.
Installing the coin-cell battery
WARNING: This computer contains a coin-cell battery and requires trained technicians for handling guidance.
6
40 Removing and installing coin-cell battery
Restricted - Confidential

Dell 9478N Specifications

General

Brand	Dell
Model	9478N
Category	Desktop
Language	English