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Dell OptiPlex Tower Plus 7020 - Removing and installing coin-cell battery; Removing the coin-cell battery; Installing the coin-cell battery

Dell OptiPlex Tower Plus 7020
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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 12. Removing the coin-cell battery
Steps
1. Push the release lever on the coin-cell battery socket (RTC) to release the coin-cell battery from socket.
2. Lift the coin-cell battery from the coin-cell battery socket.
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

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