Coin-Cell Battery; Removing The Coin-Cell Battery - Dell OptiPlex 3090 Small Form Factor Service Manual

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Steps
1. Place the heat-sink and fan assembly onto the system board.
2. Tighten the captive screws that secure the heat-sink and fan assembly to the system board.
3. Connect the fan cable to the connector on the system board.
Next steps
1. Install the
hard-drive and optical-drive
2. Install the
3.5/2.5-inch hard-drive
3. Install the
front
bezel.
4. Install the
side
cover.
5. Follow the procedure in

Coin-cell battery

Removing the coin-cell battery

Prerequisites
1. Follow the procedure in
2. Remove the
side
cover.
3. Remove the
front
bezel.
NOTE:
Removing the coin-cell battery resets the BIOS setup program settings to default. It is recommended that you note
the BIOS setup program settings before removing the coin-cell battery.
About this task
The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure.
38
Removing and installing components
bracket.
assembly.
After working inside your
Before working inside your
computer.
computer.

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