Dell OptiPlex XE2 (Mid 2013) - Manual (Page 27)

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
3. Using both hands, push away the two release handles while lifting the heat sink shroud upward and off the
computer.
4. Disconnect the heat-sink assembly cable from the system board.
5. Loosen the captive screws, lift the heat sink assembly and then remove it from the computer.
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