- Notes, cautions, and warnings
- Working on your computer
- Stands
- Removing and installing components
- Recommended tools
- Screw List
- Major components of your system
- Hard-drive assembly
- Hard-drive bracket
- Hard drive
- Solid-state drive in the hard-drive bay
- Solid-state drive daughter board
- Cover
- Memory module
- WLAN card
- Internal solid-state drive
- eMMC Storage module
- System fan
- Power button
- Coin-cell battery
- System board
- Heat-sink
- Replacing the chassis
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
OptiPlex 7090 Ultra Service Manual
Removing the coin-cell battery
Prerequisites
- Follow the procedure in before working inside your device.
- Remove the device from fixed stand/Pro 1 height-adjustable stand/Offset VESA mount/Pro 2 height-adjustable stand/Wall mount.
- Remove the cover.
- Remove the system fan.
About this task
The figure indicates the location of the coin-cell battery and provides a visual representation of the removal procedure.
Steps
- Disconnect the coin-cell battery cable from the connector on the system board.
- Unroute the coin-cell battery cable from the routing guide.
NOTE Observe the routing of the coin-cell battery cable inside the chassis as you remove them. Route the cable properly when you replace the component to prevent the cable from being pinched or crimped.
- Release the coin-cell retention clip from the securing hook and turn the clip to the other side to access the coin-cell battery.
- Lift the coin-cell battery.
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