Dell OptiPlex 9010 (Mid 2012) - Manual (Page 19)

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 till the release latch springs back into place and secures it.
3. Install the:
a. front bezel
b. cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the System Fan
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the:
a. cover
b. front bezel
c. drive cage
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