Dell OptiPlex 7020 (Mid 2014) - Manual (Page 27)

Removing the Coin-Cell Battery
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. cover
b. front bezel
c. drive cage
3. Press the release latch away from the battery to allow it to pop-up from the socket and then lift the
coin-cell battery out of the computer.
Installing the Coin-Cell Battery
1. Place the coin-cell battery into its slot on the system board.
2. Press the coin-cell battery downward until the release latch springs back into place and secures it.
3. Install the:
a. drive cage
b. front bezel
c. cover
4. Follow the procedures in After Working Inside Your Computer.
Removing the Heat Sink Assembly
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the cover
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