Dell OptiPlex 9010 (Mid 2012) - Manual (Page 15)

NOTE: The memory sockets in your computer may be labeled differently depending on the hardware
configuration. For example, A1, A2 or 1,2,3.
• If the quad-rank memory modules are mixed with single or dual-rank modules, the quad-rank modules must be
installed in the sockets with the white release levers.
• If memory modules with different speeds are installed, they operate at the speed of the slowest installed memory
modules.
Removing the Memory
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover.
3. Press down on the memory retaining tabs on each side of the memory modules, and lift the memory modules out of
the connectors on the system board.
Installing the Memory
1. Align the notch on the memory-card with the tab in the system-board connector.
2. Press down on the memory module until the release tabs spring back to secure them in place.
3. Install the cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the Coin-Cell Battery
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover.
3. Locate the coin-cell battery on the system board.
4. Remove the expansion card(s).
5. Carefully press the release latch away from the battery to allow the battery to pop up from the socket and lift the
coin-cell battery out of the computer.
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