Installing Coin Cell Battery; Optical Drive; Removing Optical Drive - Dell OptiPlex 5055 Small Form Factor Owner's Manual

b Remove the coin cell battery from the connector on the system board [2].

Installing coin cell battery

1 Hold the coin cell battery with the "+" sign facing up and slide it under the securing tabs at the positive side of the connector.
2 Press the battery into the connector until it locks into place.
3 Install the:
a expansion card
b cooling shroud
c cover
4 Follow the procedure in

Optical drive

Removing optical drive

1 Follow the procedure in
2 Remove the:
a cover
b front bezel
c cooling shroud
20 Disassembly and reassembly
After working inside your computer.
Before working inside your computer.